syzbot

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kernel BUG at fs/jfs/inode.c:175!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5881 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:jfs_evict_inode+0x431/0x440 fs/jfs/inode.c:175
Code: df fe e9 e0 fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 23 fe ff ff 4c 89 f7 e8 a9 c2 df fe e9 16 fe ff ff e8 2f 8b 87 fe <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 41 57 41
RSP: 0018:ffffc900032c7ac0 EFLAGS: 00010293
RAX: ffffffff82ff96d1 RBX: ffff888070647330 RCX: ffff888028989e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888070647330
RBP: 0000000000000001 R08: ffffffff911c560f R09: 1ffffffff2238ac1
R10: dffffc0000000000 R11: fffffbfff2238ac2 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888070646fb8 R15: ffff888070647368
FS:  000055558b89b500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd7407bee0 CR3: 000000007e06c000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 evict+0x4ca/0x8d0 fs/inode.c:705
 dispose_list fs/inode.c:738 [inline]
 evict_inodes+0x606/0x6a0 fs/inode.c:792
 generic_shutdown_super+0x97/0x2b0 fs/super.c:672
 kill_block_super+0x44/0x90 fs/super.c:1660
 deactivate_locked_super+0x97/0x100 fs/super.c:481
 cleanup_mnt+0x43b/0x4d0 fs/namespace.c:1259
 task_work_run+0x1d4/0x260 kernel/task_work.c:245
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302
 do_syscall_64+0x61/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fbe2c99e017
Code: a2 c7 05 dc 06 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffd7407c538 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fbe2ca32120 RCX: 00007fbe2c99e017
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd7407c5f0
RBP: 00007ffd7407c5f0 R08: 00007ffd7407d5f0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd7407d680
R13: 00007fbe2ca32120 R14: 000000000002479b R15: 00007ffd7407d6c0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:jfs_evict_inode+0x431/0x440 fs/jfs/inode.c:175
Code: df fe e9 e0 fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 23 fe ff ff 4c 89 f7 e8 a9 c2 df fe e9 16 fe ff ff e8 2f 8b 87 fe <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 41 57 41
RSP: 0018:ffffc900032c7ac0 EFLAGS: 00010293
RAX: ffffffff82ff96d1 RBX: ffff888070647330 RCX: ffff888028989e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888070647330
RBP: 0000000000000001 R08: ffffffff911c560f R09: 1ffffffff2238ac1
R10: dffffc0000000000 R11: fffffbfff2238ac2 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888070646fb8 R15: ffff888070647368
FS:  000055558b89b500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd7407bee0 CR3: 000000007e06c000 CR4: 00000000003506f0