syzbot

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kernel BUG at fs/jfs/inode.c:175!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5876 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
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 f9 e0 df fe e9 16 fe ff ff e8 1f b2 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:ffffc900032e7ac0 EFLAGS: 00010293
RAX: ffffffff82ff6a41 RBX: ffff88805fa9bbb0 RCX: ffff88802086bc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88805fa9bbb0
RBP: 0000000000000001 R08: ffffffff911c160f R09: 1ffffffff22382c1
R10: dffffc0000000000 R11: fffffbfff22382c2 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88805fa9b838 R15: ffff88805fa9bbe8
FS:  00005555772bd500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000036acbfc8d4b8 CR3: 0000000060958000 CR4: 00000000003506e0
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: 0033:0x7efd0459d9d7
Code: a2 c7 05 1c fd 24 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:00007ffe3d1b1528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007efd04632050 RCX: 00007efd0459d9d7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe3d1b15e0
RBP: 00007ffe3d1b15e0 R08: 00007ffe3d1b25e0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe3d1b2670
R13: 00007efd04632050 R14: 000000000001d2bb R15: 00007ffe3d1b26b0
 </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 f9 e0 df fe e9 16 fe ff ff e8 1f b2 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:ffffc900032e7ac0 EFLAGS: 00010293
RAX: ffffffff82ff6a41 RBX: ffff88805fa9bbb0 RCX: ffff88802086bc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88805fa9bbb0
RBP: 0000000000000001 R08: ffffffff911c160f R09: 1ffffffff22382c1
R10: dffffc0000000000 R11: fffffbfff22382c2 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88805fa9b838 R15: ffff88805fa9bbe8
FS:  00005555772bd500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000036acbfc8d4b8 CR3: 0000000060958000 CR4: 00000000003506e0