[v5.15] BUG: Bad page state in __get_metapage
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syzbot
Oct 22, 2024, 11:58:26 PM10/22/24
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Hello,
syzbot found the following issue on:
HEAD commit: 74cdd62cb470 Linux 5.15.169
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=17bba640580000
kernel config: https://syzkaller.appspot.com/x/.config?x=5417f720d83aa5a
dashboard link: https://syzkaller.appspot.com/bug?extid=5f8f8e6c75b01fb682cf
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/72380419c744/disk-74cdd62c.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/6111f88936fa/vmlinux-74cdd62c.xz
kernel image: https://storage.googleapis.com/syzbot-assets/87469d26ef55/bzImage-74cdd62c.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+5f8f8e...@syzkaller.appspotmail.com
BUG: Bad page state in process jfsCommit pfn:1ecd8
page:ffffea00007b3600 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1c pfn:0x1ecd8
flags: 0xfff00000002007(locked|referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002007 dead000000000100 dead000000000122 0000000000000000
raw: 000000000000001c ffff888026fc0aa8 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 5087, ts 120640468047, free_ts 117046602027
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x322a/0x33c0 mm/page_alloc.c:4159
__alloc_pages+0x272/0x700 mm/page_alloc.c:5423
__page_cache_alloc+0xd4/0x4a0 mm/filemap.c:1022
do_read_cache_page+0x1e5/0x1040 mm/filemap.c:3457
read_mapping_page include/linux/pagemap.h:515 [inline]
__get_metapage+0x398/0x1070 fs/jfs/jfs_metapage.c:621
diRead+0x707/0xbb0 fs/jfs/jfs_imap.c:367
jfs_iget+0x88/0x3b0 fs/jfs/inode.c:35
jfs_fill_super+0x826/0xc70 fs/jfs/super.c:585
mount_bdev+0x2c9/0x3f0 fs/super.c:1400
legacy_get_tree+0xeb/0x180 fs/fs_context.c:611
vfs_get_tree+0x88/0x270 fs/super.c:1530
do_new_mount+0x2ba/0xb40 fs/namespace.c:3012
do_mount fs/namespace.c:3355 [inline]
__do_sys_mount fs/namespace.c:3563 [inline]
__se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3540
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0xc34/0xcf0 mm/page_alloc.c:3317
free_unref_page+0x95/0x2d0 mm/page_alloc.c:3396
free_slab mm/slub.c:2015 [inline]
discard_slab mm/slub.c:2021 [inline]
__unfreeze_partials+0x1b7/0x210 mm/slub.c:2507
put_cpu_partial+0x132/0x1a0 mm/slub.c:2587
do_slab_free mm/slub.c:3487 [inline]
___cache_free+0xe3/0x100 mm/slub.c:3506
qlist_free_all+0x36/0x90 mm/kasan/quarantine.c:176
kasan_quarantine_reduce+0x162/0x180 mm/kasan/quarantine.c:283
__kasan_slab_alloc+0x2f/0xc0 mm/kasan/common.c:444
kasan_slab_alloc include/linux/kasan.h:254 [inline]
slab_post_alloc_hook+0x53/0x380 mm/slab.h:519
slab_alloc_node mm/slub.c:3220 [inline]
slab_alloc mm/slub.c:3228 [inline]
kmem_cache_alloc+0xf3/0x280 mm/slub.c:3233
__d_alloc+0x2a/0x700 fs/dcache.c:1749
d_alloc fs/dcache.c:1828 [inline]
d_alloc_parallel+0xca/0x1390 fs/dcache.c:2582
__lookup_slow+0x111/0x3d0 fs/namei.c:1648
lookup_slow+0x53/0x70 fs/namei.c:1680
walk_component+0x48c/0x610 fs/namei.c:1976
link_path_walk+0x642/0xd90
Modules linked in:
CPU: 0 PID: 275 Comm: jfsCommit Not tainted 5.15.169-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page_bad mm/page_alloc.c:1199 [inline]
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x48d/0xcf0 mm/page_alloc.c:3317
free_unref_page+0x95/0x2d0 mm/page_alloc.c:3396
txUnlock+0x282/0xca0 fs/jfs/jfs_txnmgr.c:932
txLazyCommit fs/jfs/jfs_txnmgr.c:2716 [inline]
jfs_lazycommit+0x5cd/0xc30 fs/jfs/jfs_txnmgr.c:2766
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
page:ffffea00007b3600 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1c pfn:0x1ecd8
flags: 0xfff00000002007(locked|referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002007 dead000000000100 dead000000000122 0000000000000000
raw: 000000000000001c ffff888026fc0aa8 00000000ffffffff 0000000000000000
page dumped because: VM_BUG_ON_PAGE(((unsigned int) page_ref_count(page) + 127u <= 127u))
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 5087, ts 120640468047, free_ts 117046602027
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x322a/0x33c0 mm/page_alloc.c:4159
__alloc_pages+0x272/0x700 mm/page_alloc.c:5423
__page_cache_alloc+0xd4/0x4a0 mm/filemap.c:1022
do_read_cache_page+0x1e5/0x1040 mm/filemap.c:3457
read_mapping_page include/linux/pagemap.h:515 [inline]
__get_metapage+0x398/0x1070 fs/jfs/jfs_metapage.c:621
diRead+0x707/0xbb0 fs/jfs/jfs_imap.c:367
jfs_iget+0x88/0x3b0 fs/jfs/inode.c:35
jfs_fill_super+0x826/0xc70 fs/jfs/super.c:585
mount_bdev+0x2c9/0x3f0 fs/super.c:1400
legacy_get_tree+0xeb/0x180 fs/fs_context.c:611
vfs_get_tree+0x88/0x270 fs/super.c:1530
do_new_mount+0x2ba/0xb40 fs/namespace.c:3012
do_mount fs/namespace.c:3355 [inline]
__do_sys_mount fs/namespace.c:3563 [inline]
__se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3540
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0xc34/0xcf0 mm/page_alloc.c:3317
free_unref_page+0x95/0x2d0 mm/page_alloc.c:3396
free_slab mm/slub.c:2015 [inline]
discard_slab mm/slub.c:2021 [inline]
__unfreeze_partials+0x1b7/0x210 mm/slub.c:2507
put_cpu_partial+0x132/0x1a0 mm/slub.c:2587
do_slab_free mm/slub.c:3487 [inline]
___cache_free+0xe3/0x100 mm/slub.c:3506
qlist_free_all+0x36/0x90 mm/kasan/quarantine.c:176
kasan_quarantine_reduce+0x162/0x180 mm/kasan/quarantine.c:283
__kasan_slab_alloc+0x2f/0xc0 mm/kasan/common.c:444
kasan_slab_alloc include/linux/kasan.h:254 [inline]
slab_post_alloc_hook+0x53/0x380 mm/slab.h:519
slab_alloc_node mm/slub.c:3220 [inline]
slab_alloc mm/slub.c:3228 [inline]
kmem_cache_alloc+0xf3/0x280 mm/slub.c:3233
__d_alloc+0x2a/0x700 fs/dcache.c:1749
d_alloc fs/dcache.c:1828 [inline]
d_alloc_parallel+0xca/0x1390 fs/dcache.c:2582
__lookup_slow+0x111/0x3d0 fs/namei.c:1648
lookup_slow+0x53/0x70 fs/namei.c:1680
walk_component+0x48c/0x610 fs/namei.c:1976
link_path_walk+0x642/0xd90
------------[ cut here ]------------
kernel BUG at include/linux/mm.h:1213!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 275 Comm: jfsCommit Tainted: G B 5.15.169-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:get_page include/linux/mm.h:1213 [inline]
RIP: 0010:put_metapage+0x283/0x290 fs/jfs/jfs_metapage.c:722
Code: 03 38 c1 0f 8c f8 fe ff ff 4c 89 ff e8 b6 82 e5 fe e9 eb fe ff ff e8 dc b8 9b fe 4c 89 e7 48 c7 c6 a0 64 c1 8a e8 5d 09 d2 fe <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 41 57 41 56 41 55 41 54
RSP: 0018:ffffc90002697cc0 EFLAGS: 00010246
RAX: ed413777a388d500 RBX: 000000000000007f RCX: ffff88801dead940
RDX: 0000000000000000 RSI: 000000000000ffff RDI: 000000000000ffff
RBP: ffff888026fc0aa8 R08: ffffffff81d10064 R09: ffffed10172067a8
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea00007b3600
R13: ffff888026fc0ad0 R14: 1ffff11004df815a R15: ffffea00007b3634
FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560319847950 CR3: 0000000072505000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
txUnlock+0x42f/0xca0 fs/jfs/jfs_txnmgr.c:947
txLazyCommit fs/jfs/jfs_txnmgr.c:2716 [inline]
jfs_lazycommit+0x5cd/0xc30 fs/jfs/jfs_txnmgr.c:2766
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
Modules linked in:
---[ end trace d7f48d2a9753e123 ]---
RIP: 0010:get_page include/linux/mm.h:1213 [inline]
RIP: 0010:put_metapage+0x283/0x290 fs/jfs/jfs_metapage.c:722
Code: 03 38 c1 0f 8c f8 fe ff ff 4c 89 ff e8 b6 82 e5 fe e9 eb fe ff ff e8 dc b8 9b fe 4c 89 e7 48 c7 c6 a0 64 c1 8a e8 5d 09 d2 fe <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 41 57 41 56 41 55 41 54
RSP: 0018:ffffc90002697cc0 EFLAGS: 00010246
RAX: ed413777a388d500 RBX: 000000000000007f RCX: ffff88801dead940
RDX: 0000000000000000 RSI: 000000000000ffff RDI: 000000000000ffff
RBP: ffff888026fc0aa8 R08: ffffffff81d10064 R09: ffffed10172067a8
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea00007b3600
R13: ffff888026fc0ad0 R14: 1ffff11004df815a R15: ffffea00007b3634
FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e1cc2f0950 CR3: 000000007c1bf000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
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If the report is already addressed, let syzbot know by replying with:
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If you want to overwrite report's subsystems, reply with:
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If the report is a duplicate of another one, reply with:
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If you want to undo deduplication, reply with:
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syzbot found the following issue on:
HEAD commit: 74cdd62cb470 Linux 5.15.169
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=17bba640580000
kernel config: https://syzkaller.appspot.com/x/.config?x=5417f720d83aa5a
dashboard link: https://syzkaller.appspot.com/bug?extid=5f8f8e6c75b01fb682cf
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/72380419c744/disk-74cdd62c.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/6111f88936fa/vmlinux-74cdd62c.xz
kernel image: https://storage.googleapis.com/syzbot-assets/87469d26ef55/bzImage-74cdd62c.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+5f8f8e...@syzkaller.appspotmail.com
BUG: Bad page state in process jfsCommit pfn:1ecd8
page:ffffea00007b3600 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1c pfn:0x1ecd8
flags: 0xfff00000002007(locked|referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002007 dead000000000100 dead000000000122 0000000000000000
raw: 000000000000001c ffff888026fc0aa8 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 5087, ts 120640468047, free_ts 117046602027
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x322a/0x33c0 mm/page_alloc.c:4159
__alloc_pages+0x272/0x700 mm/page_alloc.c:5423
__page_cache_alloc+0xd4/0x4a0 mm/filemap.c:1022
do_read_cache_page+0x1e5/0x1040 mm/filemap.c:3457
read_mapping_page include/linux/pagemap.h:515 [inline]
__get_metapage+0x398/0x1070 fs/jfs/jfs_metapage.c:621
diRead+0x707/0xbb0 fs/jfs/jfs_imap.c:367
jfs_iget+0x88/0x3b0 fs/jfs/inode.c:35
jfs_fill_super+0x826/0xc70 fs/jfs/super.c:585
mount_bdev+0x2c9/0x3f0 fs/super.c:1400
legacy_get_tree+0xeb/0x180 fs/fs_context.c:611
vfs_get_tree+0x88/0x270 fs/super.c:1530
do_new_mount+0x2ba/0xb40 fs/namespace.c:3012
do_mount fs/namespace.c:3355 [inline]
__do_sys_mount fs/namespace.c:3563 [inline]
__se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3540
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0xc34/0xcf0 mm/page_alloc.c:3317
free_unref_page+0x95/0x2d0 mm/page_alloc.c:3396
free_slab mm/slub.c:2015 [inline]
discard_slab mm/slub.c:2021 [inline]
__unfreeze_partials+0x1b7/0x210 mm/slub.c:2507
put_cpu_partial+0x132/0x1a0 mm/slub.c:2587
do_slab_free mm/slub.c:3487 [inline]
___cache_free+0xe3/0x100 mm/slub.c:3506
qlist_free_all+0x36/0x90 mm/kasan/quarantine.c:176
kasan_quarantine_reduce+0x162/0x180 mm/kasan/quarantine.c:283
__kasan_slab_alloc+0x2f/0xc0 mm/kasan/common.c:444
kasan_slab_alloc include/linux/kasan.h:254 [inline]
slab_post_alloc_hook+0x53/0x380 mm/slab.h:519
slab_alloc_node mm/slub.c:3220 [inline]
slab_alloc mm/slub.c:3228 [inline]
kmem_cache_alloc+0xf3/0x280 mm/slub.c:3233
__d_alloc+0x2a/0x700 fs/dcache.c:1749
d_alloc fs/dcache.c:1828 [inline]
d_alloc_parallel+0xca/0x1390 fs/dcache.c:2582
__lookup_slow+0x111/0x3d0 fs/namei.c:1648
lookup_slow+0x53/0x70 fs/namei.c:1680
walk_component+0x48c/0x610 fs/namei.c:1976
link_path_walk+0x642/0xd90
Modules linked in:
CPU: 0 PID: 275 Comm: jfsCommit Not tainted 5.15.169-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page_bad mm/page_alloc.c:1199 [inline]
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x48d/0xcf0 mm/page_alloc.c:3317
free_unref_page+0x95/0x2d0 mm/page_alloc.c:3396
txUnlock+0x282/0xca0 fs/jfs/jfs_txnmgr.c:932
txLazyCommit fs/jfs/jfs_txnmgr.c:2716 [inline]
jfs_lazycommit+0x5cd/0xc30 fs/jfs/jfs_txnmgr.c:2766
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
page:ffffea00007b3600 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1c pfn:0x1ecd8
flags: 0xfff00000002007(locked|referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002007 dead000000000100 dead000000000122 0000000000000000
raw: 000000000000001c ffff888026fc0aa8 00000000ffffffff 0000000000000000
page dumped because: VM_BUG_ON_PAGE(((unsigned int) page_ref_count(page) + 127u <= 127u))
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 5087, ts 120640468047, free_ts 117046602027
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x322a/0x33c0 mm/page_alloc.c:4159
__alloc_pages+0x272/0x700 mm/page_alloc.c:5423
__page_cache_alloc+0xd4/0x4a0 mm/filemap.c:1022
do_read_cache_page+0x1e5/0x1040 mm/filemap.c:3457
read_mapping_page include/linux/pagemap.h:515 [inline]
__get_metapage+0x398/0x1070 fs/jfs/jfs_metapage.c:621
diRead+0x707/0xbb0 fs/jfs/jfs_imap.c:367
jfs_iget+0x88/0x3b0 fs/jfs/inode.c:35
jfs_fill_super+0x826/0xc70 fs/jfs/super.c:585
mount_bdev+0x2c9/0x3f0 fs/super.c:1400
legacy_get_tree+0xeb/0x180 fs/fs_context.c:611
vfs_get_tree+0x88/0x270 fs/super.c:1530
do_new_mount+0x2ba/0xb40 fs/namespace.c:3012
do_mount fs/namespace.c:3355 [inline]
__do_sys_mount fs/namespace.c:3563 [inline]
__se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3540
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0xc34/0xcf0 mm/page_alloc.c:3317
free_unref_page+0x95/0x2d0 mm/page_alloc.c:3396
free_slab mm/slub.c:2015 [inline]
discard_slab mm/slub.c:2021 [inline]
__unfreeze_partials+0x1b7/0x210 mm/slub.c:2507
put_cpu_partial+0x132/0x1a0 mm/slub.c:2587
do_slab_free mm/slub.c:3487 [inline]
___cache_free+0xe3/0x100 mm/slub.c:3506
qlist_free_all+0x36/0x90 mm/kasan/quarantine.c:176
kasan_quarantine_reduce+0x162/0x180 mm/kasan/quarantine.c:283
__kasan_slab_alloc+0x2f/0xc0 mm/kasan/common.c:444
kasan_slab_alloc include/linux/kasan.h:254 [inline]
slab_post_alloc_hook+0x53/0x380 mm/slab.h:519
slab_alloc_node mm/slub.c:3220 [inline]
slab_alloc mm/slub.c:3228 [inline]
kmem_cache_alloc+0xf3/0x280 mm/slub.c:3233
__d_alloc+0x2a/0x700 fs/dcache.c:1749
d_alloc fs/dcache.c:1828 [inline]
d_alloc_parallel+0xca/0x1390 fs/dcache.c:2582
__lookup_slow+0x111/0x3d0 fs/namei.c:1648
lookup_slow+0x53/0x70 fs/namei.c:1680
walk_component+0x48c/0x610 fs/namei.c:1976
link_path_walk+0x642/0xd90
------------[ cut here ]------------
kernel BUG at include/linux/mm.h:1213!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 275 Comm: jfsCommit Tainted: G B 5.15.169-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:get_page include/linux/mm.h:1213 [inline]
RIP: 0010:put_metapage+0x283/0x290 fs/jfs/jfs_metapage.c:722
Code: 03 38 c1 0f 8c f8 fe ff ff 4c 89 ff e8 b6 82 e5 fe e9 eb fe ff ff e8 dc b8 9b fe 4c 89 e7 48 c7 c6 a0 64 c1 8a e8 5d 09 d2 fe <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 41 57 41 56 41 55 41 54
RSP: 0018:ffffc90002697cc0 EFLAGS: 00010246
RAX: ed413777a388d500 RBX: 000000000000007f RCX: ffff88801dead940
RDX: 0000000000000000 RSI: 000000000000ffff RDI: 000000000000ffff
RBP: ffff888026fc0aa8 R08: ffffffff81d10064 R09: ffffed10172067a8
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea00007b3600
R13: ffff888026fc0ad0 R14: 1ffff11004df815a R15: ffffea00007b3634
FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560319847950 CR3: 0000000072505000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
txUnlock+0x42f/0xca0 fs/jfs/jfs_txnmgr.c:947
txLazyCommit fs/jfs/jfs_txnmgr.c:2716 [inline]
jfs_lazycommit+0x5cd/0xc30 fs/jfs/jfs_txnmgr.c:2766
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
Modules linked in:
---[ end trace d7f48d2a9753e123 ]---
RIP: 0010:get_page include/linux/mm.h:1213 [inline]
RIP: 0010:put_metapage+0x283/0x290 fs/jfs/jfs_metapage.c:722
Code: 03 38 c1 0f 8c f8 fe ff ff 4c 89 ff e8 b6 82 e5 fe e9 eb fe ff ff e8 dc b8 9b fe 4c 89 e7 48 c7 c6 a0 64 c1 8a e8 5d 09 d2 fe <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 41 57 41 56 41 55 41 54
RSP: 0018:ffffc90002697cc0 EFLAGS: 00010246
RAX: ed413777a388d500 RBX: 000000000000007f RCX: ffff88801dead940
RDX: 0000000000000000 RSI: 000000000000ffff RDI: 000000000000ffff
RBP: ffff888026fc0aa8 R08: ffffffff81d10064 R09: ffffed10172067a8
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea00007b3600
R13: ffff888026fc0ad0 R14: 1ffff11004df815a R15: ffffea00007b3634
FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e1cc2f0950 CR3: 000000007c1bf000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot
Oct 23, 2024, 8:46:42 AM10/23/24
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 7ec6f9fa3d97 Linux 6.1.114
syzbot found the following issue on:
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=10dac287980000
kernel config: https://syzkaller.appspot.com/x/.config?x=c62455fa2663e7a
dashboard link: https://syzkaller.appspot.com/bug?extid=5ef7590632a6b42d2b6c
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/a5519ee44915/disk-7ec6f9fa.raw.xz
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
vmlinux: https://storage.googleapis.com/syzbot-assets/d61cfc75f6d6/vmlinux-7ec6f9fa.xz
kernel image: https://storage.googleapis.com/syzbot-assets/9e016b977ccb/bzImage-7ec6f9fa.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
BUG: Bad page state in process jfsCommit pfn:747b0
page:ffffea0001d1ec00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x2c pfn:0x747b0
flags: 0xfff08000002047(locked|referenced|uptodate|workingset|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff08000002047 dead000000000100 dead000000000122 0000000000000000
raw: 000000000000002c ffff88805c682000 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x140c40(GFP_NOFS|__GFP_COMP|__GFP_HARDWALL), pid 12000, tgid 11999 (syz.0.2049), ts 682662744471, free_ts 680488767236
page_owner tracks the page as allocated
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2517
prep_new_page mm/page_alloc.c:2524 [inline]
get_page_from_freelist+0x322e/0x33b0 mm/page_alloc.c:4290
__alloc_pages+0x28d/0x770 mm/page_alloc.c:5558
folio_alloc+0x1a/0x50 mm/mempolicy.c:2292
filemap_alloc_folio+0xda/0x4f0 mm/filemap.c:999
__filemap_get_folio+0x749/0xe80 mm/filemap.c:1993
pagecache_get_page+0x28/0x250 mm/folio-compat.c:110
find_or_create_page include/linux/pagemap.h:646 [inline]
grab_cache_page include/linux/pagemap.h:778 [inline]
__get_metapage+0x2b0/0x1040 fs/jfs/jfs_metapage.c:613
dtSplitRoot+0x2ab/0x1920 fs/jfs/jfs_dtree.c:1909
dtSplitUp fs/jfs/jfs_dtree.c:992 [inline]
dtInsert+0x12c9/0x6c00 fs/jfs/jfs_dtree.c:870
jfs_create+0x7b2/0xbb0 fs/jfs/namei.c:137
lookup_open fs/namei.c:3482 [inline]
open_last_lookups fs/namei.c:3550 [inline]
path_openat+0x12f1/0x2e60 fs/namei.c:3780
do_filp_open+0x230/0x480 fs/namei.c:3810
do_sys_openat2+0x13b/0x4f0 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_openat fs/open.c:1350 [inline]
__se_sys_openat fs/open.c:1345 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1345
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1444 [inline]
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pcp_prepare mm/page_alloc.c:1494 [inline]
free_unref_page_prepare+0xf63/0x1120 mm/page_alloc.c:3369
free_unref_page_list+0x663/0x900 mm/page_alloc.c:3510
release_pages+0x2836/0x2b40 mm/swap.c:1055
tlb_batch_pages_flush mm/mmu_gather.c:59 [inline]
tlb_flush_mmu_free mm/mmu_gather.c:254 [inline]
tlb_flush_mmu+0xfc/0x210 mm/mmu_gather.c:261
tlb_finish_mmu+0xce/0x1f0 mm/mmu_gather.c:361
exit_mmap+0x3c3/0x9f0 mm/mmap.c:3239
__mmput+0x115/0x3c0 kernel/fork.c:1199
exit_mm+0x226/0x300 kernel/exit.c:565
do_exit+0x9f6/0x26a0 kernel/exit.c:858
do_group_exit+0x202/0x2b0 kernel/exit.c:1021
__do_sys_exit_group kernel/exit.c:1032 [inline]
__se_sys_exit_group kernel/exit.c:1030 [inline]
__x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1030
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
Modules linked in:
CPU: 0 PID: 106 Comm: jfsCommit Not tainted 6.1.114-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
bad_page+0x14b/0x170 mm/page_alloc.c:699
free_page_is_bad_report mm/page_alloc.c:1281 [inline]
free_page_is_bad mm/page_alloc.c:1291 [inline]
free_pages_prepare mm/page_alloc.c:1437 [inline]
free_pcp_prepare mm/page_alloc.c:1494 [inline]
free_unref_page_prepare+0x56b/0x1120 mm/page_alloc.c:3369
free_unref_page+0x33/0x3e0 mm/page_alloc.c:3464
txUnlock+0x282/0xca0 fs/jfs/jfs_txnmgr.c:932
txLazyCommit fs/jfs/jfs_txnmgr.c:2682 [inline]
jfs_lazycommit+0x5d0/0xb60 fs/jfs/jfs_txnmgr.c:2732
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
</TASK>
page:ffffea0001d1ec00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x2c pfn:0x747b0
flags: 0xfff08000002047(locked|referenced|uptodate|workingset|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff08000002047 dead000000000100 dead000000000122 0000000000000000
raw: 000000000000002c ffff88805c682000 00000000ffffffff 0000000000000000
page dumped because: VM_BUG_ON_FOLIO(((unsigned int) folio_ref_count(folio) + 127u <= 127u))
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x140c40(GFP_NOFS|__GFP_COMP|__GFP_HARDWALL), pid 12000, tgid 11999 (syz.0.2049), ts 682662744471, free_ts 680488767236
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2517
prep_new_page mm/page_alloc.c:2524 [inline]
get_page_from_freelist+0x322e/0x33b0 mm/page_alloc.c:4290
__alloc_pages+0x28d/0x770 mm/page_alloc.c:5558
folio_alloc+0x1a/0x50 mm/mempolicy.c:2292
filemap_alloc_folio+0xda/0x4f0 mm/filemap.c:999
__filemap_get_folio+0x749/0xe80 mm/filemap.c:1993
pagecache_get_page+0x28/0x250 mm/folio-compat.c:110
find_or_create_page include/linux/pagemap.h:646 [inline]
grab_cache_page include/linux/pagemap.h:778 [inline]
__get_metapage+0x2b0/0x1040 fs/jfs/jfs_metapage.c:613
dtSplitRoot+0x2ab/0x1920 fs/jfs/jfs_dtree.c:1909
dtSplitUp fs/jfs/jfs_dtree.c:992 [inline]
dtInsert+0x12c9/0x6c00 fs/jfs/jfs_dtree.c:870
jfs_create+0x7b2/0xbb0 fs/jfs/namei.c:137
lookup_open fs/namei.c:3482 [inline]
open_last_lookups fs/namei.c:3550 [inline]
path_openat+0x12f1/0x2e60 fs/namei.c:3780
do_filp_open+0x230/0x480 fs/namei.c:3810
do_sys_openat2+0x13b/0x4f0 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_openat fs/open.c:1350 [inline]
__se_sys_openat fs/open.c:1345 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1345
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1444 [inline]
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pcp_prepare mm/page_alloc.c:1494 [inline]
free_unref_page_prepare+0xf63/0x1120 mm/page_alloc.c:3369
free_unref_page_list+0x663/0x900 mm/page_alloc.c:3510
release_pages+0x2836/0x2b40 mm/swap.c:1055
tlb_batch_pages_flush mm/mmu_gather.c:59 [inline]
tlb_flush_mmu_free mm/mmu_gather.c:254 [inline]
tlb_flush_mmu+0xfc/0x210 mm/mmu_gather.c:261
tlb_finish_mmu+0xce/0x1f0 mm/mmu_gather.c:361
exit_mmap+0x3c3/0x9f0 mm/mmap.c:3239
__mmput+0x115/0x3c0 kernel/fork.c:1199
exit_mm+0x226/0x300 kernel/exit.c:565
do_exit+0x9f6/0x26a0 kernel/exit.c:858
do_group_exit+0x202/0x2b0 kernel/exit.c:1021
__do_sys_exit_group kernel/exit.c:1032 [inline]
__se_sys_exit_group kernel/exit.c:1030 [inline]
__x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1030
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
------------[ cut here ]------------
kernel BUG at include/linux/mm.h:1135!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 106 Comm: jfsCommit Tainted: G B 6.1.114-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:folio_get include/linux/mm.h:1135 [inline]
RIP: 0010:get_page include/linux/mm.h:1141 [inline]
RIP: 0010:put_metapage+0x25c/0x300 fs/jfs/jfs_metapage.c:721
Code: 2c 24 49 81 e5 ff 0f 00 00 74 21 e8 fe 7d 81 fe e9 a0 00 00 00 e8 f4 7d 81 fe 48 8b 3c 24 48 c7 c6 60 ea 44 8b e8 04 42 c1 fe <0f> 0b 48 8b 1c 24 48 89 df be 08 00 00 00 e8 11 01 d9 fe 48 c1 eb
RSP: 0018:ffffc9000262fcb8 EFLAGS: 00010246
RAX: edcb3fd7f3726600 RBX: 000000000000007f RCX: ffffffff816abf97
RDX: 0000000000000000 RSI: ffffffff8b5d7520 RDI: ffffffff8b5d74e0
RBP: ffff88805c682000 R08: dffffc0000000000 R09: fffffbfff1d34036
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffea0001d1ec34 R14: 1ffff1100b8d0405 R15: ffff88805c682028
FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4fa4d06678 CR3: 0000000065ec8000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
txUnlock+0x42f/0xca0 fs/jfs/jfs_txnmgr.c:947
txLazyCommit fs/jfs/jfs_txnmgr.c:2682 [inline]
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
txUnlock+0x42f/0xca0 fs/jfs/jfs_txnmgr.c:947
jfs_lazycommit+0x5d0/0xb60 fs/jfs/jfs_txnmgr.c:2732
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:folio_get include/linux/mm.h:1135 [inline]
RIP: 0010:get_page include/linux/mm.h:1141 [inline]
RIP: 0010:put_metapage+0x25c/0x300 fs/jfs/jfs_metapage.c:721
Code: 2c 24 49 81 e5 ff 0f 00 00 74 21 e8 fe 7d 81 fe e9 a0 00 00 00 e8 f4 7d 81 fe 48 8b 3c 24 48 c7 c6 60 ea 44 8b e8 04 42 c1 fe <0f> 0b 48 8b 1c 24 48 89 df be 08 00 00 00 e8 11 01 d9 fe 48 c1 eb
RSP: 0018:ffffc9000262fcb8 EFLAGS: 00010246
RAX: edcb3fd7f3726600 RBX: 000000000000007f RCX: ffffffff816abf97
RDX: 0000000000000000 RSI: ffffffff8b5d7520 RDI: ffffffff8b5d74e0
RBP: ffff88805c682000 R08: dffffc0000000000 R09: fffffbfff1d34036
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffea0001d1ec34 R14: 1ffff1100b8d0405 R15: ffff88805c682028
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000007f61a000 CR4: 00000000003506f0
syzbot
Oct 27, 2024, 8:31:26 AM10/27/24
to syzkaller...@googlegroups.com
syzbot has found a reproducer for the following issue on:
HEAD commit: 7ec6f9fa3d97 Linux 6.1.114
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=150614f7980000
kernel config: https://syzkaller.appspot.com/x/.config?x=c3430b5172170129
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=130614f7980000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/85855dd3567d/disk-7ec6f9fa.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/2938cf086485/vmlinux-7ec6f9fa.xz
kernel image: https://storage.googleapis.com/syzbot-assets/708aae50ad2d/bzImage-7ec6f9fa.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/3a35224fd60e/mount_0.gz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+5ef759...@syzkaller.appspotmail.com
BUG: Bad page state in process syz-executor235 pfn:1ce87
page:ffffea000073a1c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1c pfn:0x1ce87
flags: 0xfff00000002046(referenced|uptodate|workingset|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002046 ffffea00007ddd48 ffffea0001f33748 0000000000000000
raw: 000000000000001c ffff8880790f5000 00000000ffffffff 0000000000000000
do_read_cache_page+0x32/0x220 mm/filemap.c:3668
read_mapping_page include/linux/pagemap.h:791 [inline]
__get_metapage+0x32c/0x1040 fs/jfs/jfs_metapage.c:620
mount_bdev+0x2c9/0x3f0 fs/super.c:1443
legacy_get_tree+0xeb/0x180 fs/fs_context.c:632
vfs_get_tree+0x88/0x270 fs/super.c:1573
do_new_mount+0x2ba/0xb40 fs/namespace.c:3056
do_mount fs/namespace.c:3399 [inline]
__do_sys_mount fs/namespace.c:3607 [inline]
__se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3584
arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
Modules linked in:
CPU: 0 PID: 4266 Comm: syz-executor235 Not tainted 6.1.114-syzkaller #0
pagevec_release include/linux/pagevec.h:71 [inline]
folio_batch_release include/linux/pagevec.h:135 [inline]
truncate_inode_pages_range+0x48a/0x1340 mm/truncate.c:372
jfs_remount+0x360/0x6a0 fs/jfs/super.c:451
reconfigure_super+0x43a/0x870 fs/super.c:977
vfs_fsconfig_locked fs/fsopen.c:254 [inline]
__do_sys_fsconfig fs/fsopen.c:439 [inline]
__se_sys_fsconfig+0x98b/0xec0 fs/fsopen.c:314
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5eb5014168 EFLAGS: 00000246 ORIG_RAX: 00000000000001af
RAX: ffffffffffffffda RBX: 00007f5eb51066d8 RCX: 00007f5eb5079079
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000004
RBP: 00007f5eb51066d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5eb51066dc
R13: 000000000000006e R14: 00007ffdba37de40 R15: 00007ffdba37df28
</TASK>
---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
HEAD commit: 7ec6f9fa3d97 Linux 6.1.114
git tree: linux-6.1.y
kernel config: https://syzkaller.appspot.com/x/.config?x=c3430b5172170129
dashboard link: https://syzkaller.appspot.com/bug?extid=5ef7590632a6b42d2b6c
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=132bb0e7980000
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=130614f7980000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/85855dd3567d/disk-7ec6f9fa.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/2938cf086485/vmlinux-7ec6f9fa.xz
kernel image: https://storage.googleapis.com/syzbot-assets/708aae50ad2d/bzImage-7ec6f9fa.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/3a35224fd60e/mount_0.gz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+5ef759...@syzkaller.appspotmail.com
page:ffffea000073a1c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1c pfn:0x1ce87
flags: 0xfff00000002046(referenced|uptodate|workingset|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002046 ffffea00007ddd48 ffffea0001f33748 0000000000000000
raw: 000000000000001c ffff8880790f5000 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x40c40(GFP_NOFS|__GFP_COMP), pid 4255, tgid 4251 (syz-executor235), ts 60366971939, free_ts 60356519755
page_owner tracks the page as allocated
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2517
prep_new_page mm/page_alloc.c:2524 [inline]
get_page_from_freelist+0x322e/0x33b0 mm/page_alloc.c:4290
__alloc_pages+0x28d/0x770 mm/page_alloc.c:5558
folio_alloc+0x1a/0x50 mm/mempolicy.c:2292
filemap_alloc_folio+0xda/0x4f0 mm/filemap.c:999
do_read_cache_folio+0x2a7/0x810 mm/filemap.c:3590
post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2517
prep_new_page mm/page_alloc.c:2524 [inline]
get_page_from_freelist+0x322e/0x33b0 mm/page_alloc.c:4290
__alloc_pages+0x28d/0x770 mm/page_alloc.c:5558
folio_alloc+0x1a/0x50 mm/mempolicy.c:2292
filemap_alloc_folio+0xda/0x4f0 mm/filemap.c:999
do_read_cache_page+0x32/0x220 mm/filemap.c:3668
read_mapping_page include/linux/pagemap.h:791 [inline]
__get_metapage+0x32c/0x1040 fs/jfs/jfs_metapage.c:620
diRead+0x707/0xbb0 fs/jfs/jfs_imap.c:367
jfs_iget+0x88/0x3b0 fs/jfs/inode.c:35
jfs_fill_super+0x804/0xc40 fs/jfs/super.c:580
jfs_iget+0x88/0x3b0 fs/jfs/inode.c:35
mount_bdev+0x2c9/0x3f0 fs/super.c:1443
legacy_get_tree+0xeb/0x180 fs/fs_context.c:632
vfs_get_tree+0x88/0x270 fs/super.c:1573
do_new_mount+0x2ba/0xb40 fs/namespace.c:3056
do_mount fs/namespace.c:3399 [inline]
__do_sys_mount fs/namespace.c:3607 [inline]
__se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3584
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1444 [inline]
free_pcp_prepare mm/page_alloc.c:1494 [inline]
free_unref_page_prepare+0xf63/0x1120 mm/page_alloc.c:3369
free_unref_page_list+0x663/0x900 mm/page_alloc.c:3510
release_pages+0x2836/0x2b40 mm/swap.c:1055
tlb_batch_pages_flush mm/mmu_gather.c:59 [inline]
tlb_flush_mmu_free mm/mmu_gather.c:254 [inline]
tlb_flush_mmu+0xfc/0x210 mm/mmu_gather.c:261
tlb_finish_mmu+0xce/0x1f0 mm/mmu_gather.c:361
exit_mmap+0x3c3/0x9f0 mm/mmap.c:3239
__mmput+0x115/0x3c0 kernel/fork.c:1199
exit_mm+0x226/0x300 kernel/exit.c:565
do_exit+0x9f6/0x26a0 kernel/exit.c:858
do_group_exit+0x202/0x2b0 kernel/exit.c:1021
get_signal+0x16f7/0x17d0 kernel/signal.c:2870
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1444 [inline]
free_pcp_prepare mm/page_alloc.c:1494 [inline]
free_unref_page_prepare+0xf63/0x1120 mm/page_alloc.c:3369
free_unref_page_list+0x663/0x900 mm/page_alloc.c:3510
release_pages+0x2836/0x2b40 mm/swap.c:1055
tlb_batch_pages_flush mm/mmu_gather.c:59 [inline]
tlb_flush_mmu_free mm/mmu_gather.c:254 [inline]
tlb_flush_mmu+0xfc/0x210 mm/mmu_gather.c:261
tlb_finish_mmu+0xce/0x1f0 mm/mmu_gather.c:361
exit_mmap+0x3c3/0x9f0 mm/mmap.c:3239
__mmput+0x115/0x3c0 kernel/fork.c:1199
exit_mm+0x226/0x300 kernel/exit.c:565
do_exit+0x9f6/0x26a0 kernel/exit.c:858
do_group_exit+0x202/0x2b0 kernel/exit.c:1021
arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
Modules linked in:
CPU: 0 PID: 4266 Comm: syz-executor235 Not tainted 6.1.114-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:699
free_page_is_bad_report mm/page_alloc.c:1281 [inline]
free_page_is_bad mm/page_alloc.c:1291 [inline]
free_pages_prepare mm/page_alloc.c:1437 [inline]
free_pcp_prepare mm/page_alloc.c:1494 [inline]
free_unref_page_prepare+0x56b/0x1120 mm/page_alloc.c:3369
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:699
free_page_is_bad_report mm/page_alloc.c:1281 [inline]
free_page_is_bad mm/page_alloc.c:1291 [inline]
free_pages_prepare mm/page_alloc.c:1437 [inline]
free_pcp_prepare mm/page_alloc.c:1494 [inline]
free_unref_page_prepare+0x56b/0x1120 mm/page_alloc.c:3369
free_unref_page_list+0x663/0x900 mm/page_alloc.c:3510
release_pages+0x2836/0x2b40 mm/swap.c:1055
__pagevec_release+0x80/0xf0 mm/swap.c:1075
release_pages+0x2836/0x2b40 mm/swap.c:1055
pagevec_release include/linux/pagevec.h:71 [inline]
folio_batch_release include/linux/pagevec.h:135 [inline]
truncate_inode_pages_range+0x48a/0x1340 mm/truncate.c:372
jfs_remount+0x360/0x6a0 fs/jfs/super.c:451
reconfigure_super+0x43a/0x870 fs/super.c:977
vfs_fsconfig_locked fs/fsopen.c:254 [inline]
__do_sys_fsconfig fs/fsopen.c:439 [inline]
__se_sys_fsconfig+0x98b/0xec0 fs/fsopen.c:314
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f5eb5079079
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5eb5014168 EFLAGS: 00000246 ORIG_RAX: 00000000000001af
RAX: ffffffffffffffda RBX: 00007f5eb51066d8 RCX: 00007f5eb5079079
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000004
RBP: 00007f5eb51066d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5eb51066dc
R13: 000000000000006e R14: 00007ffdba37de40 R15: 00007ffdba37df28
</TASK>
---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
syzbot
Oct 27, 2024, 3:54:23 PM10/27/24
to syzkaller...@googlegroups.com
syzbot has found a reproducer for the following issue on:
HEAD commit: 74cdd62cb470 Linux 5.15.169
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=10ac1a87980000
kernel config: https://syzkaller.appspot.com/x/.config?x=5a9622b27b0be51a
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10d5be5f980000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/100cab3ab8cf/disk-74cdd62c.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/8eab59bf613d/vmlinux-74cdd62c.xz
kernel image: https://storage.googleapis.com/syzbot-assets/e815c18aac36/bzImage-74cdd62c.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/4b716af0c435/mount_0.gz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+5f8f8e...@syzkaller.appspotmail.com
loop0: detected capacity change from 0 to 32768
ERROR: (device loop0): duplicateIXtree:
ERROR: (device loop0): remounting filesystem as read-only
BUG: Bad page state in process syz-executor260 pfn:7aaa2
page:ffffea0001eaa880 refcount:0 mapcount:0 mapping:0000000000000000 index:0x33 pfn:0x7aaa2
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea000092efc8 ffffc90002567980 0000000000000000
raw: 0000000000000033 ffff888024bbc4d8 00000000ffffffff 0000000000000000
find_or_create_page include/linux/pagemap.h:420 [inline]
grab_cache_page include/linux/pagemap.h:502 [inline]
__get_metapage+0x2a4/0x1070 fs/jfs/jfs_metapage.c:614
diNewExt+0xacb/0x37e0 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xbe4/0x1e50 fs/jfs/jfs_imap.c:1669
diAlloc+0x1ce/0x1630 fs/jfs/jfs_imap.c:1590
ialloc+0x8b/0x970 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x1c1/0xbb0 fs/jfs/namei.c:225
vfs_mkdir+0x3b6/0x590 fs/namei.c:4065
do_mkdirat+0x260/0x520 fs/namei.c:4090
__do_sys_mkdirat fs/namei.c:4105 [inline]
__se_sys_mkdirat fs/namei.c:4103 [inline]
__x64_sys_mkdirat+0x85/0x90 fs/namei.c:4103
pipe_read+0x6e4/0x12b0 fs/pipe.c:323
call_read_iter include/linux/fs.h:2168 [inline]
new_sync_read fs/read_write.c:404 [inline]
vfs_read+0xa93/0xe10 fs/read_write.c:485
ksys_read+0x1a2/0x2c0 fs/read_write.c:623
CPU: 1 PID: 4160 Comm: syz-executor260 Not tainted 5.15.169-syzkaller #0
release_pages+0x1bb9/0x1f40 mm/swap.c:963
__pagevec_release+0x80/0xf0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x48b/0x1290 mm/truncate.c:329
jfs_remount+0x360/0x6a0 fs/jfs/super.c:456
reconfigure_super+0x43a/0x870 fs/super.c:938
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffed12349c8 EFLAGS: 00000246 ORIG_RAX: 00000000000001af
RAX: ffffffffffffffda RBX: 00007ffed1234b98 RCX: 00007f6983e82679
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffed1234b88 R14: 0000000000000001 R15: 0000000000000001
</TASK>
BUG: Bad page state in process syz-executor260 pfn:24bbf
page:ffffea000092efc0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x32 pfn:0x24bbf
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea000092ef88 ffffc90002567980 0000000000000000
raw: 0000000000000032 ffff888024bbc3e0 00000000ffffffff 0000000000000000
find_or_create_page include/linux/pagemap.h:420 [inline]
grab_cache_page include/linux/pagemap.h:502 [inline]
__get_metapage+0x2a4/0x1070 fs/jfs/jfs_metapage.c:614
diNewExt+0xacb/0x37e0 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xbe4/0x1e50 fs/jfs/jfs_imap.c:1669
diAlloc+0x1ce/0x1630 fs/jfs/jfs_imap.c:1590
ialloc+0x8b/0x970 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x1c1/0xbb0 fs/jfs/namei.c:225
vfs_mkdir+0x3b6/0x590 fs/namei.c:4065
do_mkdirat+0x260/0x520 fs/namei.c:4090
__do_sys_mkdirat fs/namei.c:4105 [inline]
__se_sys_mkdirat fs/namei.c:4103 [inline]
__x64_sys_mkdirat+0x85/0x90 fs/namei.c:4103
pipe_read+0x6e4/0x12b0 fs/pipe.c:323
call_read_iter include/linux/fs.h:2168 [inline]
new_sync_read fs/read_write.c:404 [inline]
vfs_read+0xa93/0xe10 fs/read_write.c:485
ksys_read+0x1a2/0x2c0 fs/read_write.c:623
CPU: 1 PID: 4160 Comm: syz-executor260 Tainted: G B 5.15.169-syzkaller #0
release_pages+0x1bb9/0x1f40 mm/swap.c:963
__pagevec_release+0x80/0xf0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x48b/0x1290 mm/truncate.c:329
jfs_remount+0x360/0x6a0 fs/jfs/super.c:456
reconfigure_super+0x43a/0x870 fs/super.c:938
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffed12349c8 EFLAGS: 00000246 ORIG_RAX: 00000000000001af
RAX: ffffffffffffffda RBX: 00007ffed1234b98 RCX: 00007f6983e82679
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffed1234b88 R14: 0000000000000001 R15: 0000000000000001
</TASK>
BUG: Bad page state in process syz-executor260 pfn:24bbe
page:ffffea000092ef80 refcount:0 mapcount:0 mapping:0000000000000000 index:0x31 pfn:0x24bbe
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea000092ee88 ffffc90002567980 0000000000000000
raw: 0000000000000031 ffff888024bbc2e8 00000000ffffffff 0000000000000000
find_or_create_page include/linux/pagemap.h:420 [inline]
grab_cache_page include/linux/pagemap.h:502 [inline]
__get_metapage+0x2a4/0x1070 fs/jfs/jfs_metapage.c:614
diNewExt+0xacb/0x37e0 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xbe4/0x1e50 fs/jfs/jfs_imap.c:1669
diAlloc+0x1ce/0x1630 fs/jfs/jfs_imap.c:1590
ialloc+0x8b/0x970 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x1c1/0xbb0 fs/jfs/namei.c:225
vfs_mkdir+0x3b6/0x590 fs/namei.c:4065
do_mkdirat+0x260/0x520 fs/namei.c:4090
__do_sys_mkdirat fs/namei.c:4105 [inline]
__se_sys_mkdirat fs/namei.c:4103 [inline]
__x64_sys_mkdirat+0x85/0x90 fs/namei.c:4103
pipe_read+0x6e4/0x12b0 fs/pipe.c:323
call_read_iter include/linux/fs.h:2168 [inline]
new_sync_read fs/read_write.c:404 [inline]
vfs_read+0xa93/0xe10 fs/read_write.c:485
ksys_read+0x1a2/0x2c0 fs/read_write.c:623
CPU: 1 PID: 4160 Comm: syz-executor260 Tainted: G B 5.15.169-syzkaller #0
release_pages+0x1bb9/0x1f40 mm/swap.c:963
__pagevec_release+0x80/0xf0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x48b/0x1290 mm/truncate.c:329
jfs_remount+0x360/0x6a0 fs/jfs/super.c:456
reconfigure_super+0x43a/0x870 fs/super.c:938
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffed12349c8 EFLAGS: 00000246 ORIG_RAX: 00000000000001af
RAX: ffffffffffffffda RBX: 00007ffed1234b98 RCX: 00007f6983e82679
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffed1234b88 R14: 0000000000000001 R15: 0000000000000001
</TASK>
BUG: Bad page state in process syz-executor260 pfn:75ae5
page:ffffea0001d6b940 refcount:0 mapcount:0 mapping:0000000000000000 index:0xd pfn:0x75ae5
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea0001d6bc48 ffffea0000a94148 0000000000000000
raw: 000000000000000d ffff88807d7cee88 00000000ffffffff 0000000000000000
jfs_mount+0x3ab/0x820 fs/jfs/jfs_mount.c:166
jfs_fill_super+0x5ba/0xc70 fs/jfs/super.c:561
release_pages+0x1bb9/0x1f40 mm/swap.c:963
tlb_batch_pages_flush mm/mmu_gather.c:49 [inline]
tlb_flush_mmu_free mm/mmu_gather.c:240 [inline]
tlb_flush_mmu mm/mmu_gather.c:247 [inline]
tlb_finish_mmu+0x177/0x320 mm/mmu_gather.c:338
exit_mmap+0x3cd/0x670 mm/mmap.c:3188
__mmput+0x112/0x3b0 kernel/fork.c:1126
exit_mm+0x688/0x7f0 kernel/exit.c:550
do_exit+0x626/0x2480 kernel/exit.c:861
do_group_exit+0x144/0x310 kernel/exit.c:996
__do_sys_exit_group kernel/exit.c:1007 [inline]
__se_sys_exit_group kernel/exit.c:1005 [inline]
__x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1005
CPU: 1 PID: 4160 Comm: syz-executor260 Tainted: G B 5.15.169-syzkaller #0
release_pages+0x1bb9/0x1f40 mm/swap.c:963
__pagevec_release+0x80/0xf0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x48b/0x1290 mm/truncate.c:329
jfs_remount+0x360/0x6a0 fs/jfs/super.c:456
reconfigure_super+0x43a/0x870 fs/super.c:938
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffed12349c8 EFLAGS: 00000246 ORIG_RAX: 00000000000001af
RAX: ffffffffffffffda RBX: 00007ffed1234b98 RCX: 00007f6983e82679
R10: 0000000000000000 R1
HEAD commit: 74cdd62cb470 Linux 5.15.169
git tree: linux-5.15.y
kernel config: https://syzkaller.appspot.com/x/.config?x=5a9622b27b0be51a
dashboard link: https://syzkaller.appspot.com/bug?extid=5f8f8e6c75b01fb682cf
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1758a940580000
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10d5be5f980000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/100cab3ab8cf/disk-74cdd62c.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/8eab59bf613d/vmlinux-74cdd62c.xz
kernel image: https://storage.googleapis.com/syzbot-assets/e815c18aac36/bzImage-74cdd62c.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/4b716af0c435/mount_0.gz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+5f8f8e...@syzkaller.appspotmail.com
ERROR: (device loop0): duplicateIXtree:
ERROR: (device loop0): remounting filesystem as read-only
BUG: Bad page state in process syz-executor260 pfn:7aaa2
page:ffffea0001eaa880 refcount:0 mapcount:0 mapping:0000000000000000 index:0x33 pfn:0x7aaa2
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea000092efc8 ffffc90002567980 0000000000000000
raw: 0000000000000033 ffff888024bbc4d8 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0xc40(GFP_NOFS), pid 4160, ts 52805926778, free_ts 46921947765
page_owner tracks the page as allocated
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x322a/0x33c0 mm/page_alloc.c:4159
__alloc_pages+0x272/0x700 mm/page_alloc.c:5423
__page_cache_alloc+0xd4/0x4a0 mm/filemap.c:1022
pagecache_get_page+0xa91/0x1010 mm/filemap.c:1940
get_page_from_freelist+0x322a/0x33c0 mm/page_alloc.c:4159
__alloc_pages+0x272/0x700 mm/page_alloc.c:5423
__page_cache_alloc+0xd4/0x4a0 mm/filemap.c:1022
find_or_create_page include/linux/pagemap.h:420 [inline]
grab_cache_page include/linux/pagemap.h:502 [inline]
__get_metapage+0x2a4/0x1070 fs/jfs/jfs_metapage.c:614
diNewExt+0xacb/0x37e0 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xbe4/0x1e50 fs/jfs/jfs_imap.c:1669
diAlloc+0x1ce/0x1630 fs/jfs/jfs_imap.c:1590
ialloc+0x8b/0x970 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x1c1/0xbb0 fs/jfs/namei.c:225
vfs_mkdir+0x3b6/0x590 fs/namei.c:4065
do_mkdirat+0x260/0x520 fs/namei.c:4090
__do_sys_mkdirat fs/namei.c:4105 [inline]
__se_sys_mkdirat fs/namei.c:4103 [inline]
__x64_sys_mkdirat+0x85/0x90 fs/namei.c:4103
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0xc34/0xcf0 mm/page_alloc.c:3317
free_unref_page+0x95/0x2d0 mm/page_alloc.c:3396
pipe_buf_release include/linux/pipe_fs_i.h:219 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0xc34/0xcf0 mm/page_alloc.c:3317
free_unref_page+0x95/0x2d0 mm/page_alloc.c:3396
pipe_read+0x6e4/0x12b0 fs/pipe.c:323
call_read_iter include/linux/fs.h:2168 [inline]
new_sync_read fs/read_write.c:404 [inline]
vfs_read+0xa93/0xe10 fs/read_write.c:485
ksys_read+0x1a2/0x2c0 fs/read_write.c:623
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
Modules linked in:
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
CPU: 1 PID: 4160 Comm: syz-executor260 Not tainted 5.15.169-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page_bad mm/page_alloc.c:1199 [inline]
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x48d/0xcf0 mm/page_alloc.c:3317
free_unref_page_list+0x1f7/0x8e0 mm/page_alloc.c:3433
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page_bad mm/page_alloc.c:1199 [inline]
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x48d/0xcf0 mm/page_alloc.c:3317
release_pages+0x1bb9/0x1f40 mm/swap.c:963
__pagevec_release+0x80/0xf0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x48b/0x1290 mm/truncate.c:329
jfs_remount+0x360/0x6a0 fs/jfs/super.c:456
reconfigure_super+0x43a/0x870 fs/super.c:938
vfs_fsconfig_locked fs/fsopen.c:254 [inline]
__do_sys_fsconfig fs/fsopen.c:439 [inline]
__se_sys_fsconfig+0x98b/0xec0 fs/fsopen.c:314
__do_sys_fsconfig fs/fsopen.c:439 [inline]
__se_sys_fsconfig+0x98b/0xec0 fs/fsopen.c:314
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f6983e82679
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffed12349c8 EFLAGS: 00000246 ORIG_RAX: 00000000000001af
RAX: ffffffffffffffda RBX: 00007ffed1234b98 RCX: 00007f6983e82679
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000004
RBP: 00007f6983efc610 R08: 0000000000000000 R09: 00007ffed1234b98
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffed1234b88 R14: 0000000000000001 R15: 0000000000000001
</TASK>
BUG: Bad page state in process syz-executor260 pfn:24bbf
page:ffffea000092efc0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x32 pfn:0x24bbf
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea000092ef88 ffffc90002567980 0000000000000000
raw: 0000000000000032 ffff888024bbc3e0 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0xc40(GFP_NOFS), pid 4160, ts 52805889734, free_ts 46922084111
page_owner tracks the page as allocated
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x322a/0x33c0 mm/page_alloc.c:4159
__alloc_pages+0x272/0x700 mm/page_alloc.c:5423
__page_cache_alloc+0xd4/0x4a0 mm/filemap.c:1022
pagecache_get_page+0xa91/0x1010 mm/filemap.c:1940
get_page_from_freelist+0x322a/0x33c0 mm/page_alloc.c:4159
__alloc_pages+0x272/0x700 mm/page_alloc.c:5423
__page_cache_alloc+0xd4/0x4a0 mm/filemap.c:1022
find_or_create_page include/linux/pagemap.h:420 [inline]
grab_cache_page include/linux/pagemap.h:502 [inline]
__get_metapage+0x2a4/0x1070 fs/jfs/jfs_metapage.c:614
diNewExt+0xacb/0x37e0 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xbe4/0x1e50 fs/jfs/jfs_imap.c:1669
diAlloc+0x1ce/0x1630 fs/jfs/jfs_imap.c:1590
ialloc+0x8b/0x970 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x1c1/0xbb0 fs/jfs/namei.c:225
vfs_mkdir+0x3b6/0x590 fs/namei.c:4065
do_mkdirat+0x260/0x520 fs/namei.c:4090
__do_sys_mkdirat fs/namei.c:4105 [inline]
__se_sys_mkdirat fs/namei.c:4103 [inline]
__x64_sys_mkdirat+0x85/0x90 fs/namei.c:4103
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0xc34/0xcf0 mm/page_alloc.c:3317
free_unref_page+0x95/0x2d0 mm/page_alloc.c:3396
pipe_buf_release include/linux/pipe_fs_i.h:219 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0xc34/0xcf0 mm/page_alloc.c:3317
free_unref_page+0x95/0x2d0 mm/page_alloc.c:3396
pipe_read+0x6e4/0x12b0 fs/pipe.c:323
call_read_iter include/linux/fs.h:2168 [inline]
new_sync_read fs/read_write.c:404 [inline]
vfs_read+0xa93/0xe10 fs/read_write.c:485
ksys_read+0x1a2/0x2c0 fs/read_write.c:623
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
Modules linked in:
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
CPU: 1 PID: 4160 Comm: syz-executor260 Tainted: G B 5.15.169-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page_bad mm/page_alloc.c:1199 [inline]
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x48d/0xcf0 mm/page_alloc.c:3317
free_unref_page_list+0x1f7/0x8e0 mm/page_alloc.c:3433
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page_bad mm/page_alloc.c:1199 [inline]
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x48d/0xcf0 mm/page_alloc.c:3317
release_pages+0x1bb9/0x1f40 mm/swap.c:963
__pagevec_release+0x80/0xf0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x48b/0x1290 mm/truncate.c:329
jfs_remount+0x360/0x6a0 fs/jfs/super.c:456
reconfigure_super+0x43a/0x870 fs/super.c:938
vfs_fsconfig_locked fs/fsopen.c:254 [inline]
__do_sys_fsconfig fs/fsopen.c:439 [inline]
__se_sys_fsconfig+0x98b/0xec0 fs/fsopen.c:314
__do_sys_fsconfig fs/fsopen.c:439 [inline]
__se_sys_fsconfig+0x98b/0xec0 fs/fsopen.c:314
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f6983e82679
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffed12349c8 EFLAGS: 00000246 ORIG_RAX: 00000000000001af
RAX: ffffffffffffffda RBX: 00007ffed1234b98 RCX: 00007f6983e82679
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000004
RBP: 00007f6983efc610 R08: 0000000000000000 R09: 00007ffed1234b98
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffed1234b88 R14: 0000000000000001 R15: 0000000000000001
</TASK>
BUG: Bad page state in process syz-executor260 pfn:24bbe
page:ffffea000092ef80 refcount:0 mapcount:0 mapping:0000000000000000 index:0x31 pfn:0x24bbe
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea000092ee88 ffffc90002567980 0000000000000000
raw: 0000000000000031 ffff888024bbc2e8 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0xc40(GFP_NOFS), pid 4160, ts 52805852111, free_ts 46922092717
page_owner tracks the page as allocated
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x322a/0x33c0 mm/page_alloc.c:4159
__alloc_pages+0x272/0x700 mm/page_alloc.c:5423
__page_cache_alloc+0xd4/0x4a0 mm/filemap.c:1022
pagecache_get_page+0xa91/0x1010 mm/filemap.c:1940
get_page_from_freelist+0x322a/0x33c0 mm/page_alloc.c:4159
__alloc_pages+0x272/0x700 mm/page_alloc.c:5423
__page_cache_alloc+0xd4/0x4a0 mm/filemap.c:1022
find_or_create_page include/linux/pagemap.h:420 [inline]
grab_cache_page include/linux/pagemap.h:502 [inline]
__get_metapage+0x2a4/0x1070 fs/jfs/jfs_metapage.c:614
diNewExt+0xacb/0x37e0 fs/jfs/jfs_imap.c:2275
diAllocExt fs/jfs/jfs_imap.c:1952 [inline]
diAllocAG+0xbe4/0x1e50 fs/jfs/jfs_imap.c:1669
diAlloc+0x1ce/0x1630 fs/jfs/jfs_imap.c:1590
ialloc+0x8b/0x970 fs/jfs/jfs_inode.c:56
jfs_mkdir+0x1c1/0xbb0 fs/jfs/namei.c:225
vfs_mkdir+0x3b6/0x590 fs/namei.c:4065
do_mkdirat+0x260/0x520 fs/namei.c:4090
__do_sys_mkdirat fs/namei.c:4105 [inline]
__se_sys_mkdirat fs/namei.c:4103 [inline]
__x64_sys_mkdirat+0x85/0x90 fs/namei.c:4103
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0xc34/0xcf0 mm/page_alloc.c:3317
free_unref_page+0x95/0x2d0 mm/page_alloc.c:3396
pipe_buf_release include/linux/pipe_fs_i.h:219 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0xc34/0xcf0 mm/page_alloc.c:3317
free_unref_page+0x95/0x2d0 mm/page_alloc.c:3396
pipe_read+0x6e4/0x12b0 fs/pipe.c:323
call_read_iter include/linux/fs.h:2168 [inline]
new_sync_read fs/read_write.c:404 [inline]
vfs_read+0xa93/0xe10 fs/read_write.c:485
ksys_read+0x1a2/0x2c0 fs/read_write.c:623
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
Modules linked in:
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
CPU: 1 PID: 4160 Comm: syz-executor260 Tainted: G B 5.15.169-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page_bad mm/page_alloc.c:1199 [inline]
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x48d/0xcf0 mm/page_alloc.c:3317
free_unref_page_list+0x1f7/0x8e0 mm/page_alloc.c:3433
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page_bad mm/page_alloc.c:1199 [inline]
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x48d/0xcf0 mm/page_alloc.c:3317
release_pages+0x1bb9/0x1f40 mm/swap.c:963
__pagevec_release+0x80/0xf0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x48b/0x1290 mm/truncate.c:329
jfs_remount+0x360/0x6a0 fs/jfs/super.c:456
reconfigure_super+0x43a/0x870 fs/super.c:938
vfs_fsconfig_locked fs/fsopen.c:254 [inline]
__do_sys_fsconfig fs/fsopen.c:439 [inline]
__se_sys_fsconfig+0x98b/0xec0 fs/fsopen.c:314
__do_sys_fsconfig fs/fsopen.c:439 [inline]
__se_sys_fsconfig+0x98b/0xec0 fs/fsopen.c:314
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f6983e82679
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffed12349c8 EFLAGS: 00000246 ORIG_RAX: 00000000000001af
RAX: ffffffffffffffda RBX: 00007ffed1234b98 RCX: 00007f6983e82679
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000004
RBP: 00007f6983efc610 R08: 0000000000000000 R09: 00007ffed1234b98
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffed1234b88 R14: 0000000000000001 R15: 0000000000000001
</TASK>
BUG: Bad page state in process syz-executor260 pfn:75ae5
page:ffffea0001d6b940 refcount:0 mapcount:0 mapping:0000000000000000 index:0xd pfn:0x75ae5
flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002006 ffffea0001d6bc48 ffffea0000a94148 0000000000000000
raw: 000000000000000d ffff88807d7cee88 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0xc40(GFP_NOFS), pid 4160, ts 52778764082, free_ts 46934195059
page_owner tracks the page as allocated
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x322a/0x33c0 mm/page_alloc.c:4159
__alloc_pages+0x272/0x700 mm/page_alloc.c:5423
__page_cache_alloc+0xd4/0x4a0 mm/filemap.c:1022
do_read_cache_page+0x1e5/0x1040 mm/filemap.c:3457
read_mapping_page include/linux/pagemap.h:515 [inline]
__get_metapage+0x398/0x1070 fs/jfs/jfs_metapage.c:621
diReadSpecial+0x259/0x680 fs/jfs/jfs_imap.c:447
get_page_from_freelist+0x322a/0x33c0 mm/page_alloc.c:4159
__alloc_pages+0x272/0x700 mm/page_alloc.c:5423
__page_cache_alloc+0xd4/0x4a0 mm/filemap.c:1022
do_read_cache_page+0x1e5/0x1040 mm/filemap.c:3457
read_mapping_page include/linux/pagemap.h:515 [inline]
__get_metapage+0x398/0x1070 fs/jfs/jfs_metapage.c:621
jfs_mount+0x3ab/0x820 fs/jfs/jfs_mount.c:166
jfs_fill_super+0x5ba/0xc70 fs/jfs/super.c:561
mount_bdev+0x2c9/0x3f0 fs/super.c:1400
legacy_get_tree+0xeb/0x180 fs/fs_context.c:611
vfs_get_tree+0x88/0x270 fs/super.c:1530
do_new_mount+0x2ba/0xb40 fs/namespace.c:3012
do_mount fs/namespace.c:3355 [inline]
__do_sys_mount fs/namespace.c:3563 [inline]
__se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3540
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0xc34/0xcf0 mm/page_alloc.c:3317
free_unref_page_list+0x1f7/0x8e0 mm/page_alloc.c:3433
legacy_get_tree+0xeb/0x180 fs/fs_context.c:611
vfs_get_tree+0x88/0x270 fs/super.c:1530
do_new_mount+0x2ba/0xb40 fs/namespace.c:3012
do_mount fs/namespace.c:3355 [inline]
__do_sys_mount fs/namespace.c:3563 [inline]
__se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3540
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0xc34/0xcf0 mm/page_alloc.c:3317
release_pages+0x1bb9/0x1f40 mm/swap.c:963
tlb_batch_pages_flush mm/mmu_gather.c:49 [inline]
tlb_flush_mmu_free mm/mmu_gather.c:240 [inline]
tlb_flush_mmu mm/mmu_gather.c:247 [inline]
tlb_finish_mmu+0x177/0x320 mm/mmu_gather.c:338
exit_mmap+0x3cd/0x670 mm/mmap.c:3188
__mmput+0x112/0x3b0 kernel/fork.c:1126
exit_mm+0x688/0x7f0 kernel/exit.c:550
do_exit+0x626/0x2480 kernel/exit.c:861
do_group_exit+0x144/0x310 kernel/exit.c:996
__do_sys_exit_group kernel/exit.c:1007 [inline]
__se_sys_exit_group kernel/exit.c:1005 [inline]
__x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1005
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
Modules linked in:
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
CPU: 1 PID: 4160 Comm: syz-executor260 Tainted: G B 5.15.169-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page_bad mm/page_alloc.c:1199 [inline]
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x48d/0xcf0 mm/page_alloc.c:3317
free_unref_page_list+0x1f7/0x8e0 mm/page_alloc.c:3433
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
bad_page+0x14b/0x170 mm/page_alloc.c:652
check_free_page_bad mm/page_alloc.c:1199 [inline]
check_free_page mm/page_alloc.c:1209 [inline]
free_pages_prepare mm/page_alloc.c:1334 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x48d/0xcf0 mm/page_alloc.c:3317
release_pages+0x1bb9/0x1f40 mm/swap.c:963
__pagevec_release+0x80/0xf0 mm/swap.c:983
pagevec_release include/linux/pagevec.h:81 [inline]
truncate_inode_pages_range+0x48b/0x1290 mm/truncate.c:329
jfs_remount+0x360/0x6a0 fs/jfs/super.c:456
reconfigure_super+0x43a/0x870 fs/super.c:938
vfs_fsconfig_locked fs/fsopen.c:254 [inline]
__do_sys_fsconfig fs/fsopen.c:439 [inline]
__se_sys_fsconfig+0x98b/0xec0 fs/fsopen.c:314
__do_sys_fsconfig fs/fsopen.c:439 [inline]
__se_sys_fsconfig+0x98b/0xec0 fs/fsopen.c:314
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f6983e82679
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffed12349c8 EFLAGS: 00000246 ORIG_RAX: 00000000000001af
RAX: ffffffffffffffda RBX: 00007ffed1234b98 RCX: 00007f6983e82679
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000004
RBP: 00007f6983efc610 R08: 0000000000000000 R09: 00007ffed1234b98
R10: 0000000000000000 R1
syzbot
Feb 3, 2025, 7:03:05 PM2/3/25
to syzkaller...@googlegroups.com
syzbot suspects this issue could be fixed by backporting the following commit:
commit 9346476d211611f3c0d512cb6e942ab76f5376d8
git tree: upstream
Author: Matthew Wilcox (Oracle) <wi...@infradead.org>
Date: Wed Apr 17 17:56:48 2024 +0000
jfs: Convert insert_metapage() to take a folio
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17abd724580000
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
commit 9346476d211611f3c0d512cb6e942ab76f5376d8
git tree: upstream
Author: Matthew Wilcox (Oracle) <wi...@infradead.org>
Date: Wed Apr 17 17:56:48 2024 +0000
jfs: Convert insert_metapage() to take a folio
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17abd724580000
kernel config: https://syzkaller.appspot.com/x/.config?x=c3430b5172170129
dashboard link: https://syzkaller.appspot.com/bug?extid=5ef7590632a6b42d2b6c
dashboard link: https://syzkaller.appspot.com/bug?extid=5ef7590632a6b42d2b6c
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=132bb0e7980000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=130614f7980000
Please keep in mind that other backports might be required as well.
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=130614f7980000
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
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