syzbot
kernel BUG in ntfs_end_buffer_async_read
Status:
auto-obsoleted due to no activity on 2024/06/30 13:04
Subsystems:
ntfs3
[Documentation on labels]
Reported-by: syzbot+72ba5fe5556d82ad118b@syzkaller.appspotmail.com
First crash: 1254d, last: 872d
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Last patch testing requests (10)
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Fix bisection attempts (2)
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Cause bisection attempts (2)
Sample crash report:
------------[ cut here ]------------
kernel BUG at fs/ntfs/aops.c:130!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 22 Comm: ksoftirqd/1 Not tainted 6.7.0-rc3-syzkaller-00033-g3b47bc037bd4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:ntfs_end_buffer_async_read+0xd34/0x15d0 fs/ntfs/aops.c:130
Code: c3 fe 4c 89 ef 48 c7 c6 a0 2d 9b 8b e8 95 29 06 ff 90 0f 0b e8 6d 24 c3 fe 90 0f 0b e8 65 24 c3 fe 90 0f 0b e8 5d 24 c3 fe 90 <0f> 0b e8 55 24 c3 fe 4c 89 e7 e8 3d 97 ff ff 48 89 c7 48 c7 c6 a0
RSP: 0018:ffffc900001c7b20 EFLAGS: 00010246
RAX: ffffffff82cb55e3 RBX: ffff88804ff18270 RCX: ffff88801767bb80
RDX: 0000000080000100 RSI: 0000000000020211 RDI: 0000000000001000
RBP: 1ffff11009faff3f R08: ffffffff82cb4fe5 R09: 1ffff11009fe300a
R10: dffffc0000000000 R11: ffffed1009fe300b R12: ffffea0001dc1680
R13: 0000000000020211 R14: 0000000000000001 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd289c4000 CR3: 0000000028fcf000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
end_bio_bh_io_sync+0xb7/0x110 fs/buffer.c:2775
req_bio_endio block/blk-mq.c:788 [inline]
blk_update_request+0x53f/0x1020 block/blk-mq.c:933
blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1056
blk_complete_reqs block/blk-mq.c:1131 [inline]
blk_done_softirq+0x103/0x150 block/blk-mq.c:1136
__do_softirq+0x2b8/0x939 kernel/softirq.c:553
run_ksoftirqd+0xc5/0x120 kernel/softirq.c:921
smpboot_thread_fn+0x530/0x9f0 kernel/smpboot.c:164
kthread+0x2d3/0x370 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ntfs_end_buffer_async_read+0xd34/0x15d0 fs/ntfs/aops.c:130
Code: c3 fe 4c 89 ef 48 c7 c6 a0 2d 9b 8b e8 95 29 06 ff 90 0f 0b e8 6d 24 c3 fe 90 0f 0b e8 65 24 c3 fe 90 0f 0b e8 5d 24 c3 fe 90 <0f> 0b e8 55 24 c3 fe 4c 89 e7 e8 3d 97 ff ff 48 89 c7 48 c7 c6 a0
RSP: 0018:ffffc900001c7b20 EFLAGS: 00010246
RAX: ffffffff82cb55e3 RBX: ffff88804ff18270 RCX: ffff88801767bb80
RDX: 0000000080000100 RSI: 0000000000020211 RDI: 0000000000001000
RBP: 1ffff11009faff3f R08: ffffffff82cb4fe5 R09: 1ffff11009fe300a
R10: dffffc0000000000 R11: ffffed1009fe300b R12: ffffea0001dc1680
R13: 0000000000020211 R14: 0000000000000001 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd289c4000 CR3: 0000000028fcf000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
* Struck through repros no longer work on HEAD.