syzbot

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kernel BUG at fs/inode.c:623!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 3578 Comm: syz-executor338 Not tainted 6.1.35-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:clear_inode+0x13f/0x150 fs/inode.c:623
Code: c7 06 60 00 00 00 5b 41 5c 41 5d 41 5e 41 5f c3 e8 56 d8 93 ff 0f 0b e8 4f d8 93 ff 0f 0b e8 48 d8 93 ff 0f 0b e8 41 d8 93 ff <0f> 0b e8 3a d8 93 ff 0f 0b 0f 1f 84 00 00 00 00 00 55 48 89 e5 41
RSP: 0018:ffffc90003a4f9b0 EFLAGS: 00010293
RAX: ffffffff81f5fe4f RBX: 0000000000000040 RCX: ffff8880153b0000
RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000000000000
RBP: ffffc90003a4fb80 R08: ffffffff81f5fde4 R09: fffffbfff205165f
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff1100e2c00ad R14: ffff888071600568 R15: ffff888071600490
FS:  000055555569e300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff1e480f98 CR3: 0000000013bd0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_evict_inode+0x74e/0x10a0 fs/btrfs/inode.c:5507
 evict+0x2a4/0x620 fs/inode.c:664
 dispose_list fs/inode.c:697 [inline]
 evict_inodes+0x601/0x6a0 fs/inode.c:747
 generic_shutdown_super+0x94/0x340 fs/super.c:480
 kill_anon_super+0x37/0x60 fs/super.c:1108
 btrfs_kill_super+0x3d/0x50 fs/btrfs/super.c:2445
 deactivate_locked_super+0xa0/0x110 fs/super.c:332
 cleanup_mnt+0x490/0x520 fs/namespace.c:1186
 task_work_run+0x246/0x300 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xd9/0x100 kernel/entry/common.c:171
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:297
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fdfec535fc7
Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 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:00007fff1e481768 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fdfec535fc7
RDX: 00007fff1e481829 RSI: 000000000000000a RDI: 00007fff1e481820
RBP: 00007fff1e481820 R08: 00000000ffffffff R09: 00007fff1e481600
R10: 000055555569f653 R11: 0000000000000202 R12: 00007fff1e4828e0
R13: 000055555569f5f0 R14: 00007fff1e481790 R15: 00007fff1e482900
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:clear_inode+0x13f/0x150 fs/inode.c:623
Code: c7 06 60 00 00 00 5b 41 5c 41 5d 41 5e 41 5f c3 e8 56 d8 93 ff 0f 0b e8 4f d8 93 ff 0f 0b e8 48 d8 93 ff 0f 0b e8 41 d8 93 ff <0f> 0b e8 3a d8 93 ff 0f 0b 0f 1f 84 00 00 00 00 00 55 48 89 e5 41
RSP: 0018:ffffc90003a4f9b0 EFLAGS: 00010293
RAX: ffffffff81f5fe4f RBX: 0000000000000040 RCX: ffff8880153b0000
RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000000000000
RBP: ffffc90003a4fb80 R08: ffffffff81f5fde4 R09: fffffbfff205165f
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff1100e2c00ad R14: ffff888071600568 R15: ffff888071600490
FS:  000055555569e300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff1e480f98 CR3: 0000000013bd0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400