[v6.1] kernel BUG in ocfs2_claim_suballoc_bits
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syzbot
Dec 2, 2024, 6:45:27 PM12/2/24
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: e4d90d63d385 Linux 6.1.119
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=17812fc0580000
kernel config: https://syzkaller.appspot.com/x/.config?x=393f8074c5fb7ad6
dashboard link: https://syzkaller.appspot.com/bug?extid=9a1fb0bfb3697af3a16d
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: arm64
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/3986cbf4f35a/disk-e4d90d63.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/d2963d16cebb/vmlinux-e4d90d63.xz
kernel image: https://storage.googleapis.com/syzbot-assets/a877a1a23701/Image-e4d90d63.gz.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+9a1fb0...@syzkaller.appspotmail.com
------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:1387!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4694 Comm: syz.1.60 Not tainted 6.1.119-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1387 [inline]
pc : ocfs2_claim_suballoc_bits+0x1bf4/0x1e1c fs/ocfs2/suballoc.c:1927
lr : ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1387 [inline]
lr : ocfs2_claim_suballoc_bits+0x1bf4/0x1e1c fs/ocfs2/suballoc.c:1927
sp : ffff8000224b6360
x29: ffff8000224b65c0 x28: 1ffff00004496ca0 x27: ffff700004496c84
x26: 0000000000000000 x25: ffff8000224b6420 x24: dfff800000000000
x23: 1fffe000194d0b86 x22: 0000000000000100 x21: ffff8000224b6420
x20: 0000000000000000 x19: ffff0000f751cec6 x18: ffff8000224b6340
x17: ffff800018b6a000 x16: ffff8000122da6b8 x15: 0000000000000002
x14: 00000000fffffffc x13: ffff0000d4a1b780 x12: 0000000000080000
x11: 0000000000011fc3 x10: ffff800021d9a000 x9 : ffff800009fee804
x8 : 0000000000011fc4 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff8000224b6910 x4 : ffff8000224b6680 x3 : 0000000000000100
x2 : 0000000000000100 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1387 [inline]
ocfs2_claim_suballoc_bits+0x1bf4/0x1e1c fs/ocfs2/suballoc.c:1927
__ocfs2_claim_clusters+0x298/0x8a0 fs/ocfs2/suballoc.c:2338
ocfs2_claim_clusters+0x8c/0xc4 fs/ocfs2/suballoc.c:2375
ocfs2_local_alloc_new_window fs/ocfs2/localalloc.c:1189 [inline]
ocfs2_local_alloc_slide_window fs/ocfs2/localalloc.c:1318 [inline]
ocfs2_reserve_local_alloc_bits+0x1058/0x25dc fs/ocfs2/localalloc.c:668
ocfs2_reserve_clusters_with_limit+0x194/0xabc fs/ocfs2/suballoc.c:1162
ocfs2_reserve_clusters fs/ocfs2/suballoc.c:1223 [inline]
ocfs2_lock_allocators+0x294/0x584 fs/ocfs2/suballoc.c:2669
ocfs2_write_begin_nolock+0x22fc/0x3f6c fs/ocfs2/aops.c:1740
ocfs2_write_begin+0x1ac/0x38c fs/ocfs2/aops.c:1904
generic_perform_write+0x278/0x55c mm/filemap.c:3845
__generic_file_write_iter+0x168/0x388 mm/filemap.c:3973
ocfs2_file_write_iter+0x15ac/0x1fbc fs/ocfs2/file.c:2467
call_write_iter include/linux/fs.h:2265 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x610/0x91c fs/read_write.c:584
ksys_write+0x15c/0x26c fs/read_write.c:637
__do_sys_write fs/read_write.c:649 [inline]
__se_sys_write fs/read_write.c:646 [inline]
__arm64_sys_write+0x7c/0x90 fs/read_write.c:646
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: d4210000 97941005 d4210000 97941003 (d4210000)
---[ end trace 0000000000000000 ]---
---
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 found the following issue on:
HEAD commit: e4d90d63d385 Linux 6.1.119
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=17812fc0580000
kernel config: https://syzkaller.appspot.com/x/.config?x=393f8074c5fb7ad6
dashboard link: https://syzkaller.appspot.com/bug?extid=9a1fb0bfb3697af3a16d
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: arm64
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/3986cbf4f35a/disk-e4d90d63.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/d2963d16cebb/vmlinux-e4d90d63.xz
kernel image: https://storage.googleapis.com/syzbot-assets/a877a1a23701/Image-e4d90d63.gz.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+9a1fb0...@syzkaller.appspotmail.com
------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:1387!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4694 Comm: syz.1.60 Not tainted 6.1.119-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1387 [inline]
pc : ocfs2_claim_suballoc_bits+0x1bf4/0x1e1c fs/ocfs2/suballoc.c:1927
lr : ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1387 [inline]
lr : ocfs2_claim_suballoc_bits+0x1bf4/0x1e1c fs/ocfs2/suballoc.c:1927
sp : ffff8000224b6360
x29: ffff8000224b65c0 x28: 1ffff00004496ca0 x27: ffff700004496c84
x26: 0000000000000000 x25: ffff8000224b6420 x24: dfff800000000000
x23: 1fffe000194d0b86 x22: 0000000000000100 x21: ffff8000224b6420
x20: 0000000000000000 x19: ffff0000f751cec6 x18: ffff8000224b6340
x17: ffff800018b6a000 x16: ffff8000122da6b8 x15: 0000000000000002
x14: 00000000fffffffc x13: ffff0000d4a1b780 x12: 0000000000080000
x11: 0000000000011fc3 x10: ffff800021d9a000 x9 : ffff800009fee804
x8 : 0000000000011fc4 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff8000224b6910 x4 : ffff8000224b6680 x3 : 0000000000000100
x2 : 0000000000000100 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1387 [inline]
ocfs2_claim_suballoc_bits+0x1bf4/0x1e1c fs/ocfs2/suballoc.c:1927
__ocfs2_claim_clusters+0x298/0x8a0 fs/ocfs2/suballoc.c:2338
ocfs2_claim_clusters+0x8c/0xc4 fs/ocfs2/suballoc.c:2375
ocfs2_local_alloc_new_window fs/ocfs2/localalloc.c:1189 [inline]
ocfs2_local_alloc_slide_window fs/ocfs2/localalloc.c:1318 [inline]
ocfs2_reserve_local_alloc_bits+0x1058/0x25dc fs/ocfs2/localalloc.c:668
ocfs2_reserve_clusters_with_limit+0x194/0xabc fs/ocfs2/suballoc.c:1162
ocfs2_reserve_clusters fs/ocfs2/suballoc.c:1223 [inline]
ocfs2_lock_allocators+0x294/0x584 fs/ocfs2/suballoc.c:2669
ocfs2_write_begin_nolock+0x22fc/0x3f6c fs/ocfs2/aops.c:1740
ocfs2_write_begin+0x1ac/0x38c fs/ocfs2/aops.c:1904
generic_perform_write+0x278/0x55c mm/filemap.c:3845
__generic_file_write_iter+0x168/0x388 mm/filemap.c:3973
ocfs2_file_write_iter+0x15ac/0x1fbc fs/ocfs2/file.c:2467
call_write_iter include/linux/fs.h:2265 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x610/0x91c fs/read_write.c:584
ksys_write+0x15c/0x26c fs/read_write.c:637
__do_sys_write fs/read_write.c:649 [inline]
__se_sys_write fs/read_write.c:646 [inline]
__arm64_sys_write+0x7c/0x90 fs/read_write.c:646
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: d4210000 97941005 d4210000 97941003 (d4210000)
---[ end trace 0000000000000000 ]---
---
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
Dec 8, 2024, 3:49:19 PM12/8/24
to syzkaller...@googlegroups.com
syzbot has found a reproducer for the following issue on:
HEAD commit: e4d90d63d385 Linux 6.1.119
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=112d4b30580000
kernel config: https://syzkaller.appspot.com/x/.config?x=5516a02be29a5649
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12acc3e8580000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/19f991f20183/disk-e4d90d63.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/61eb5f055f38/vmlinux-e4d90d63.xz
kernel image: https://storage.googleapis.com/syzbot-assets/0ddd97416681/bzImage-e4d90d63.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/7196bac34cb7/mount_0.gz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+9a1fb0...@syzkaller.appspotmail.com
WARNING: The mand mount option has been deprecated and
and is ignored by this kernel. Remove the mand
option from the mount to silence this warning.
=======================================================
ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
CPU: 1 PID: 4240 Comm: syz-executor195 Not tainted 6.1.119-syzkaller #0
RIP: 0010:ocfs2_claim_suballoc_bits+0x23c2/0x2560 fs/ocfs2/suballoc.c:1927
Code: 85 e9 ff ff e8 df 53 15 fe 0f 0b e8 d8 53 15 fe 0f 0b e8 d1 53 15 fe 0f 0b e8 ca 53 15 fe 0f 0b e8 13 8b 3c 07 e8 be 53 15 fe <0f> 0b e8 b7 53 15 fe 0f 0b 65 44 8b 35 5d d1 8c 7c 48 c7 c0 b8 f9
RSP: 0018:ffffc90003d769e0 EFLAGS: 00010293
RAX: ffffffff83754832 RBX: 0000000000000000 RCX: ffff88801bb81dc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003d76c90 R08: ffffffff83753366 R09: ffffc90003d76d20
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88802fb33e88 R14: ffff8880709f7e00 R15: 0000000000000255
FS: 00005555940df380(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055df8ae744a8 CR3: 0000000075bcb000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
__ocfs2_claim_clusters+0x327/0xa30 fs/ocfs2/suballoc.c:2338
ocfs2_claim_clusters fs/ocfs2/suballoc.c:2375 [inline]
ocfs2_block_group_alloc_contig fs/ocfs2/suballoc.c:428 [inline]
ocfs2_block_group_alloc fs/ocfs2/suballoc.c:695 [inline]
ocfs2_reserve_suballoc_bits+0x1241/0x5190 fs/ocfs2/suballoc.c:828
ocfs2_reserve_new_metadata_blocks+0x418/0x9b0 fs/ocfs2/suballoc.c:978
ocfs2_init_xattr_set_ctxt+0x3ab/0x950 fs/ocfs2/xattr.c:3281
ocfs2_xattr_set+0xf46/0x1930 fs/ocfs2/xattr.c:3638
__vfs_setxattr+0x3e7/0x420 fs/xattr.c:182
__vfs_setxattr_noperm+0x12a/0x5e0 fs/xattr.c:216
vfs_setxattr+0x21d/0x420 fs/xattr.c:309
do_setxattr fs/xattr.c:594 [inline]
setxattr+0x250/0x2b0 fs/xattr.c:617
path_setxattr+0x1bc/0x2a0 fs/xattr.c:636
__do_sys_setxattr fs/xattr.c:652 [inline]
__se_sys_setxattr fs/xattr.c:648 [inline]
__x64_sys_setxattr+0xb7/0xd0 fs/xattr.c:648
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: 0033:0x7fb759bc56f9
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:00007ffd76fb0178 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007fb759bc56f9
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000020000140
RBP: 00007fb759c3c610 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffd76fb0348 R14: 0000000000000001 R15: 0000000000000001
</TASK>
Modules linked in:
RIP: 0010:ocfs2_claim_suballoc_bits+0x23c2/0x2560 fs/ocfs2/suballoc.c:1927
Code: 85 e9 ff ff e8 df 53 15 fe 0f 0b e8 d8 53 15 fe 0f 0b e8 d1 53 15 fe 0f 0b e8 ca 53 15 fe 0f 0b e8 13 8b 3c 07 e8 be 53 15 fe <0f> 0b e8 b7 53 15 fe 0f 0b 65 44 8b 35 5d d1 8c 7c 48 c7 c0 b8 f9
RSP: 0018:ffffc90003d769e0 EFLAGS: 00010293
RAX: ffffffff83754832 RBX: 0000000000000000 RCX: ffff88801bb81dc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003d76c90 R08: ffffffff83753366 R09: ffffc90003d76d20
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88802fb33e88 R14: ffff8880709f7e00 R15: 0000000000000255
FS: 00005555940df380(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055df8ae744a8 CR3: 0000000075bcb000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---
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: e4d90d63d385 Linux 6.1.119
git tree: linux-6.1.y
kernel config: https://syzkaller.appspot.com/x/.config?x=5516a02be29a5649
dashboard link: https://syzkaller.appspot.com/bug?extid=9a1fb0bfb3697af3a16d
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=131514df980000
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=12acc3e8580000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/19f991f20183/disk-e4d90d63.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/61eb5f055f38/vmlinux-e4d90d63.xz
kernel image: https://storage.googleapis.com/syzbot-assets/0ddd97416681/bzImage-e4d90d63.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/7196bac34cb7/mount_0.gz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+9a1fb0...@syzkaller.appspotmail.com
and is ignored by this kernel. Remove the mand
option from the mount to silence this warning.
=======================================================
ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:1387!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
kernel BUG at fs/ocfs2/suballoc.c:1387!
CPU: 1 PID: 4240 Comm: syz-executor195 Not tainted 6.1.119-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1387 [inline]
RIP: 0010:ocfs2_claim_suballoc_bits+0x23c2/0x2560 fs/ocfs2/suballoc.c:1927
Code: 85 e9 ff ff e8 df 53 15 fe 0f 0b e8 d8 53 15 fe 0f 0b e8 d1 53 15 fe 0f 0b e8 ca 53 15 fe 0f 0b e8 13 8b 3c 07 e8 be 53 15 fe <0f> 0b e8 b7 53 15 fe 0f 0b 65 44 8b 35 5d d1 8c 7c 48 c7 c0 b8 f9
RSP: 0018:ffffc90003d769e0 EFLAGS: 00010293
RAX: ffffffff83754832 RBX: 0000000000000000 RCX: ffff88801bb81dc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003d76c90 R08: ffffffff83753366 R09: ffffc90003d76d20
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88802fb33e88 R14: ffff8880709f7e00 R15: 0000000000000255
FS: 00005555940df380(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055df8ae744a8 CR3: 0000000075bcb000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
__ocfs2_claim_clusters+0x327/0xa30 fs/ocfs2/suballoc.c:2338
ocfs2_claim_clusters fs/ocfs2/suballoc.c:2375 [inline]
ocfs2_block_group_alloc_contig fs/ocfs2/suballoc.c:428 [inline]
ocfs2_block_group_alloc fs/ocfs2/suballoc.c:695 [inline]
ocfs2_reserve_suballoc_bits+0x1241/0x5190 fs/ocfs2/suballoc.c:828
ocfs2_reserve_new_metadata_blocks+0x418/0x9b0 fs/ocfs2/suballoc.c:978
ocfs2_init_xattr_set_ctxt+0x3ab/0x950 fs/ocfs2/xattr.c:3281
ocfs2_xattr_set+0xf46/0x1930 fs/ocfs2/xattr.c:3638
__vfs_setxattr+0x3e7/0x420 fs/xattr.c:182
__vfs_setxattr_noperm+0x12a/0x5e0 fs/xattr.c:216
vfs_setxattr+0x21d/0x420 fs/xattr.c:309
do_setxattr fs/xattr.c:594 [inline]
setxattr+0x250/0x2b0 fs/xattr.c:617
path_setxattr+0x1bc/0x2a0 fs/xattr.c:636
__do_sys_setxattr fs/xattr.c:652 [inline]
__se_sys_setxattr fs/xattr.c:648 [inline]
__x64_sys_setxattr+0xb7/0xd0 fs/xattr.c:648
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: 0033:0x7fb759bc56f9
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:00007ffd76fb0178 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007fb759bc56f9
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000020000140
RBP: 00007fb759c3c610 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffd76fb0348 R14: 0000000000000001 R15: 0000000000000001
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1387 [inline]
RIP: 0010:ocfs2_claim_suballoc_bits+0x23c2/0x2560 fs/ocfs2/suballoc.c:1927
Code: 85 e9 ff ff e8 df 53 15 fe 0f 0b e8 d8 53 15 fe 0f 0b e8 d1 53 15 fe 0f 0b e8 ca 53 15 fe 0f 0b e8 13 8b 3c 07 e8 be 53 15 fe <0f> 0b e8 b7 53 15 fe 0f 0b 65 44 8b 35 5d d1 8c 7c 48 c7 c0 b8 f9
RSP: 0018:ffffc90003d769e0 EFLAGS: 00010293
RAX: ffffffff83754832 RBX: 0000000000000000 RCX: ffff88801bb81dc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003d76c90 R08: ffffffff83753366 R09: ffffc90003d76d20
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88802fb33e88 R14: ffff8880709f7e00 R15: 0000000000000255
FS: 00005555940df380(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055df8ae744a8 CR3: 0000000075bcb000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---
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.
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