Re: [syzbot] [ext4?] KASAN: out-of-bounds Read in ext4_xattr_set_entry
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syzbot
7:19 AM (6 hours ago) 7:19 AM
to linux...@vger.kernel.org, linux-...@vger.kernel.org, sta...@vger.kernel.org, syzkall...@googlegroups.com, wangjin...@gmail.com
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
KASAN: out-of-bounds Read in ext4_xattr_set_entry
EXT4-fs (loop0): 1 truncate cleaned up
EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
==================================================================
BUG: KASAN: out-of-bounds in ext4_xattr_set_entry+0x8e9/0x1e20 fs/ext4/xattr.c:1782
Read of size 18446744073709551572 at addr ffff88800077a050 by task syz.0.17/5873
CPU: 0 UID: 0 PID: 5873 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
<TASK>
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378 [inline]
print_report+0xca/0x240 mm/kasan/report.c:482
kasan_report+0x118/0x150 mm/kasan/report.c:595
check_region_inline mm/kasan/generic.c:-1 [inline]
kasan_check_range+0x2b0/0x2c0 mm/kasan/generic.c:200
__asan_memmove+0x29/0x70 mm/kasan/shadow.c:94
ext4_xattr_set_entry+0x8e9/0x1e20 fs/ext4/xattr.c:1782
ext4_xattr_block_set+0x872/0x2ac0 fs/ext4/xattr.c:2029
ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline]
ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline]
ext4_expand_extra_isize_ea+0x12da/0x1ea0 fs/ext4/xattr.c:2831
__ext4_expand_extra_isize+0x30d/0x400 fs/ext4/inode.c:6349
ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline]
__ext4_mark_inode_dirty+0x45c/0x6e0 fs/ext4/inode.c:6470
__ext4_unlink+0x631/0xab0 fs/ext4/namei.c:3282
ext4_unlink+0x206/0x590 fs/ext4/namei.c:3312
vfs_unlink+0x380/0x640 fs/namei.c:5369
do_unlinkat+0x2cf/0x560 fs/namei.c:5439
__do_sys_unlink fs/namei.c:5474 [inline]
__se_sys_unlink fs/namei.c:5472 [inline]
__x64_sys_unlink+0x47/0x50 fs/namei.c:5472
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff419d8f7c9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff41abdb038 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 00007ff419fe5fa0 RCX: 00007ff419d8f7c9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000180
RBP: 00007ff419e13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff419fe6038 R14: 00007ff419fe5fa0 R15: 00007fff883d93a8
</TASK>
Allocated by task 5873:
kasan_save_stack mm/kasan/common.c:56 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:77
poison_kmalloc_redzone mm/kasan/common.c:397 [inline]
__kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:414
kasan_kmalloc include/linux/kasan.h:262 [inline]
__do_kmalloc_node mm/slub.c:5657 [inline]
__kmalloc_node_track_caller_noprof+0x575/0x820 mm/slub.c:5764
kmemdup_noprof+0x2b/0x70 mm/util.c:138
kmemdup_noprof include/linux/fortify-string.h:765 [inline]
ext4_xattr_block_set+0x781/0x2ac0 fs/ext4/xattr.c:1977
ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline]
ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline]
ext4_expand_extra_isize_ea+0x12da/0x1ea0 fs/ext4/xattr.c:2831
__ext4_expand_extra_isize+0x30d/0x400 fs/ext4/inode.c:6349
ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline]
__ext4_mark_inode_dirty+0x45c/0x6e0 fs/ext4/inode.c:6470
__ext4_unlink+0x631/0xab0 fs/ext4/namei.c:3282
ext4_unlink+0x206/0x590 fs/ext4/namei.c:3312
vfs_unlink+0x380/0x640 fs/namei.c:5369
do_unlinkat+0x2cf/0x560 fs/namei.c:5439
__do_sys_unlink fs/namei.c:5474 [inline]
__se_sys_unlink fs/namei.c:5472 [inline]
__x64_sys_unlink+0x47/0x50 fs/namei.c:5472
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
The buggy address belongs to the object at ffff88800077a000
which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 80 bytes inside of
1024-byte region [ffff88800077a000, ffff88800077a400)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x778
head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x7ff00000000040(head|node=0|zone=0|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 007ff00000000040 ffff88801a441dc0 dead000000000122 0000000000000000
raw: 0000000000000000 0000000080080008 00000000f5000000 0000000000000000
head: 007ff00000000040 ffff88801a441dc0 dead000000000122 0000000000000000
head: 0000000000000000 0000000080080008 00000000f5000000 0000000000000000
head: 007ff00000000002 ffffea000001de01 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Unmovable, gfp_mask 0x252800(GFP_NOWAIT|__GFP_NORETRY|__GFP_COMP|__GFP_THISNODE), pid 5873, tgid 5872 (syz.0.17), ts 160723892073, free_ts 160040949869
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x234/0x290 mm/page_alloc.c:1846
prep_new_page mm/page_alloc.c:1854 [inline]
get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3915
__alloc_pages_slowpath+0x30b/0xce0 mm/page_alloc.c:4741
__alloc_frozen_pages_noprof+0x319/0x370 mm/page_alloc.c:5223
alloc_slab_page mm/slub.c:3077 [inline]
allocate_slab+0x7a/0x3b0 mm/slub.c:3248
new_slab mm/slub.c:3302 [inline]
___slab_alloc+0xf2b/0x1960 mm/slub.c:4656
__slab_alloc+0x65/0x100 mm/slub.c:4779
__slab_alloc_node mm/slub.c:4855 [inline]
slab_alloc_node mm/slub.c:5251 [inline]
__do_kmalloc_node mm/slub.c:5656 [inline]
__kmalloc_node_noprof+0x5d9/0x820 mm/slub.c:5663
kmalloc_array_node_noprof include/linux/slab.h:1075 [inline]
alloc_slab_obj_exts+0x3e/0x100 mm/slub.c:2123
__memcg_slab_post_alloc_hook+0x330/0x730 mm/memcontrol.c:3197
memcg_slab_post_alloc_hook mm/slub.c:2338 [inline]
slab_post_alloc_hook mm/slub.c:4964 [inline]
slab_alloc_node mm/slub.c:5263 [inline]
__do_kmalloc_node mm/slub.c:5656 [inline]
__kmalloc_node_track_caller_noprof+0x5f3/0x820 mm/slub.c:5764
__kmemdup_nul mm/util.c:64 [inline]
kstrdup+0x42/0x100 mm/util.c:84
alloc_vfsmnt+0xeb/0x430 fs/namespace.c:302
vfs_create_mount+0x69/0x320 fs/namespace.c:1184
fc_mount fs/namespace.c:1202 [inline]
do_new_mount_fc fs/namespace.c:3636 [inline]
do_new_mount+0x390/0xa10 fs/namespace.c:3712
do_mount fs/namespace.c:4035 [inline]
__do_sys_mount fs/namespace.c:4224 [inline]
__se_sys_mount+0x313/0x410 fs/namespace.c:4201
page last free pid 5862 tgid 5862 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1395 [inline]
__free_frozen_pages+0xbc8/0xd30 mm/page_alloc.c:2943
__slab_free+0x21b/0x2a0 mm/slub.c:6004
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x97/0x100 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:349
kasan_slab_alloc include/linux/kasan.h:252 [inline]
slab_post_alloc_hook mm/slub.c:4953 [inline]
slab_alloc_node mm/slub.c:5263 [inline]
kmem_cache_alloc_noprof+0x37d/0x710 mm/slub.c:5270
getname_flags+0xb8/0x540 fs/namei.c:146
getname include/linux/fs.h:2498 [inline]
do_sys_openat2+0xbc/0x200 fs/open.c:1426
do_sys_open fs/open.c:1436 [inline]
__do_sys_openat fs/open.c:1452 [inline]
__se_sys_openat fs/open.c:1447 [inline]
__x64_sys_openat+0x138/0x170 fs/open.c:1447
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Memory state around the buggy address:
ffff888000779f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888000779f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88800077a000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
^
ffff88800077a080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff88800077a100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
Tested on:
commit: 40fbbd64 Merge tag 'pull-fixes' of git://git.kernel.or..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=16918392580000
kernel config: https://syzkaller.appspot.com/x/.config?x=72e765d013fc99c
dashboard link: https://syzkaller.appspot.com/bug?extid=f792df426ff0f5ceb8d1
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
Note: no patches were applied.
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
KASAN: out-of-bounds Read in ext4_xattr_set_entry
EXT4-fs (loop0): 1 truncate cleaned up
EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
==================================================================
BUG: KASAN: out-of-bounds in ext4_xattr_set_entry+0x8e9/0x1e20 fs/ext4/xattr.c:1782
Read of size 18446744073709551572 at addr ffff88800077a050 by task syz.0.17/5873
CPU: 0 UID: 0 PID: 5873 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
<TASK>
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378 [inline]
print_report+0xca/0x240 mm/kasan/report.c:482
kasan_report+0x118/0x150 mm/kasan/report.c:595
check_region_inline mm/kasan/generic.c:-1 [inline]
kasan_check_range+0x2b0/0x2c0 mm/kasan/generic.c:200
__asan_memmove+0x29/0x70 mm/kasan/shadow.c:94
ext4_xattr_set_entry+0x8e9/0x1e20 fs/ext4/xattr.c:1782
ext4_xattr_block_set+0x872/0x2ac0 fs/ext4/xattr.c:2029
ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline]
ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline]
ext4_expand_extra_isize_ea+0x12da/0x1ea0 fs/ext4/xattr.c:2831
__ext4_expand_extra_isize+0x30d/0x400 fs/ext4/inode.c:6349
ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline]
__ext4_mark_inode_dirty+0x45c/0x6e0 fs/ext4/inode.c:6470
__ext4_unlink+0x631/0xab0 fs/ext4/namei.c:3282
ext4_unlink+0x206/0x590 fs/ext4/namei.c:3312
vfs_unlink+0x380/0x640 fs/namei.c:5369
do_unlinkat+0x2cf/0x560 fs/namei.c:5439
__do_sys_unlink fs/namei.c:5474 [inline]
__se_sys_unlink fs/namei.c:5472 [inline]
__x64_sys_unlink+0x47/0x50 fs/namei.c:5472
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff419d8f7c9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff41abdb038 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 00007ff419fe5fa0 RCX: 00007ff419d8f7c9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000180
RBP: 00007ff419e13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff419fe6038 R14: 00007ff419fe5fa0 R15: 00007fff883d93a8
</TASK>
Allocated by task 5873:
kasan_save_stack mm/kasan/common.c:56 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:77
poison_kmalloc_redzone mm/kasan/common.c:397 [inline]
__kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:414
kasan_kmalloc include/linux/kasan.h:262 [inline]
__do_kmalloc_node mm/slub.c:5657 [inline]
__kmalloc_node_track_caller_noprof+0x575/0x820 mm/slub.c:5764
kmemdup_noprof+0x2b/0x70 mm/util.c:138
kmemdup_noprof include/linux/fortify-string.h:765 [inline]
ext4_xattr_block_set+0x781/0x2ac0 fs/ext4/xattr.c:1977
ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline]
ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline]
ext4_expand_extra_isize_ea+0x12da/0x1ea0 fs/ext4/xattr.c:2831
__ext4_expand_extra_isize+0x30d/0x400 fs/ext4/inode.c:6349
ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline]
__ext4_mark_inode_dirty+0x45c/0x6e0 fs/ext4/inode.c:6470
__ext4_unlink+0x631/0xab0 fs/ext4/namei.c:3282
ext4_unlink+0x206/0x590 fs/ext4/namei.c:3312
vfs_unlink+0x380/0x640 fs/namei.c:5369
do_unlinkat+0x2cf/0x560 fs/namei.c:5439
__do_sys_unlink fs/namei.c:5474 [inline]
__se_sys_unlink fs/namei.c:5472 [inline]
__x64_sys_unlink+0x47/0x50 fs/namei.c:5472
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
The buggy address belongs to the object at ffff88800077a000
which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 80 bytes inside of
1024-byte region [ffff88800077a000, ffff88800077a400)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x778
head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x7ff00000000040(head|node=0|zone=0|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 007ff00000000040 ffff88801a441dc0 dead000000000122 0000000000000000
raw: 0000000000000000 0000000080080008 00000000f5000000 0000000000000000
head: 007ff00000000040 ffff88801a441dc0 dead000000000122 0000000000000000
head: 0000000000000000 0000000080080008 00000000f5000000 0000000000000000
head: 007ff00000000002 ffffea000001de01 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Unmovable, gfp_mask 0x252800(GFP_NOWAIT|__GFP_NORETRY|__GFP_COMP|__GFP_THISNODE), pid 5873, tgid 5872 (syz.0.17), ts 160723892073, free_ts 160040949869
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x234/0x290 mm/page_alloc.c:1846
prep_new_page mm/page_alloc.c:1854 [inline]
get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3915
__alloc_pages_slowpath+0x30b/0xce0 mm/page_alloc.c:4741
__alloc_frozen_pages_noprof+0x319/0x370 mm/page_alloc.c:5223
alloc_slab_page mm/slub.c:3077 [inline]
allocate_slab+0x7a/0x3b0 mm/slub.c:3248
new_slab mm/slub.c:3302 [inline]
___slab_alloc+0xf2b/0x1960 mm/slub.c:4656
__slab_alloc+0x65/0x100 mm/slub.c:4779
__slab_alloc_node mm/slub.c:4855 [inline]
slab_alloc_node mm/slub.c:5251 [inline]
__do_kmalloc_node mm/slub.c:5656 [inline]
__kmalloc_node_noprof+0x5d9/0x820 mm/slub.c:5663
kmalloc_array_node_noprof include/linux/slab.h:1075 [inline]
alloc_slab_obj_exts+0x3e/0x100 mm/slub.c:2123
__memcg_slab_post_alloc_hook+0x330/0x730 mm/memcontrol.c:3197
memcg_slab_post_alloc_hook mm/slub.c:2338 [inline]
slab_post_alloc_hook mm/slub.c:4964 [inline]
slab_alloc_node mm/slub.c:5263 [inline]
__do_kmalloc_node mm/slub.c:5656 [inline]
__kmalloc_node_track_caller_noprof+0x5f3/0x820 mm/slub.c:5764
__kmemdup_nul mm/util.c:64 [inline]
kstrdup+0x42/0x100 mm/util.c:84
alloc_vfsmnt+0xeb/0x430 fs/namespace.c:302
vfs_create_mount+0x69/0x320 fs/namespace.c:1184
fc_mount fs/namespace.c:1202 [inline]
do_new_mount_fc fs/namespace.c:3636 [inline]
do_new_mount+0x390/0xa10 fs/namespace.c:3712
do_mount fs/namespace.c:4035 [inline]
__do_sys_mount fs/namespace.c:4224 [inline]
__se_sys_mount+0x313/0x410 fs/namespace.c:4201
page last free pid 5862 tgid 5862 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1395 [inline]
__free_frozen_pages+0xbc8/0xd30 mm/page_alloc.c:2943
__slab_free+0x21b/0x2a0 mm/slub.c:6004
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x97/0x100 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:349
kasan_slab_alloc include/linux/kasan.h:252 [inline]
slab_post_alloc_hook mm/slub.c:4953 [inline]
slab_alloc_node mm/slub.c:5263 [inline]
kmem_cache_alloc_noprof+0x37d/0x710 mm/slub.c:5270
getname_flags+0xb8/0x540 fs/namei.c:146
getname include/linux/fs.h:2498 [inline]
do_sys_openat2+0xbc/0x200 fs/open.c:1426
do_sys_open fs/open.c:1436 [inline]
__do_sys_openat fs/open.c:1452 [inline]
__se_sys_openat fs/open.c:1447 [inline]
__x64_sys_openat+0x138/0x170 fs/open.c:1447
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Memory state around the buggy address:
ffff888000779f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888000779f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88800077a000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
^
ffff88800077a080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff88800077a100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
Tested on:
commit: 40fbbd64 Merge tag 'pull-fixes' of git://git.kernel.or..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=16918392580000
kernel config: https://syzkaller.appspot.com/x/.config?x=72e765d013fc99c
dashboard link: https://syzkaller.appspot.com/bug?extid=f792df426ff0f5ceb8d1
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
Note: no patches were applied.
syzbot
8:01 AM (5 hours ago) 8:01 AM
to linux-...@vger.kernel.org, sta...@vger.kernel.org, syzkall...@googlegroups.com, wangjin...@gmail.com
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-by: syzbot+f792df...@syzkaller.appspotmail.com
Tested-by: syzbot+f792df...@syzkaller.appspotmail.com
Tested on:
commit: 40fbbd64 Merge tag 'pull-fixes' of git://git.kernel.or..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=154c931a580000
Note: testing is done by a robot and is best-effort only.
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-by: syzbot+f792df...@syzkaller.appspotmail.com
Tested-by: syzbot+f792df...@syzkaller.appspotmail.com
Tested on:
commit: 40fbbd64 Merge tag 'pull-fixes' of git://git.kernel.or..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=72e765d013fc99c
dashboard link: https://syzkaller.appspot.com/bug?extid=f792df426ff0f5ceb8d1
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=118de184580000
dashboard link: https://syzkaller.appspot.com/bug?extid=f792df426ff0f5ceb8d1
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
Note: testing is done by a robot and is best-effort only.
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