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kernel BUG at fs/jfs/inode.c:175!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 7537 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+0x42d/0x430 fs/jfs/inode.c:175
Code: f2 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 bd a2 f2 fe e9 16 fe ff ff e8 63 97 ad fe <0f> 0b 90 41 57 41 56 41 54 53 48 89 fb 49 bc 00 00 00 00 00 fc ff
RSP: 0018:ffffc9000343fa00 EFLAGS: 00010293
RAX: ffffffff82cb89ad RBX: ffff88805fda2930 RCX: ffff88801e548000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88805fda2930
RBP: 0000000000000001 R08: ffffffff901d4227 R09: 1ffffffff203a844
R10: dffffc0000000000 R11: fffffbfff203a845 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88805fda25b8 R15: ffff88805fda2958
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc53c4d0000 CR3: 000000007e41a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 evict+0x4c9/0x8d0 fs/inode.c:647
 dispose_list fs/inode.c:680 [inline]
 evict_inodes+0x60c/0x6a0 fs/inode.c:734
 generic_shutdown_super+0x93/0x300 fs/super.c:454
 kill_block_super+0x7c/0xe0 fs/super.c:1427
 deactivate_locked_super+0x93/0xf0 fs/super.c:335
 cleanup_mnt+0x42d/0x4e0 fs/namespace.c:1148
 task_work_run+0x125/0x1a0 kernel/task_work.c:188
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0x626/0x20c0 kernel/exit.c:883
 do_group_exit+0x12e/0x300 kernel/exit.c:997
 __do_sys_exit_group kernel/exit.c:1008 [inline]
 __se_sys_exit_group kernel/exit.c:1006 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1006
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ffa6dcff799
Code: Unable to access opcode bytes at RIP 0x7ffa6dcff76f.
RSP: 002b:00007ffea1673198 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007ffa6dd94fb5 RCX: 00007ffa6dcff799
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000002 R08: 0000000000000000 R09: 00007ffa6dd94f90
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffea1674450
R13: 00007ffa6dd94f90 R14: 0000000000000005 R15: 00007ffea1675520
 </TASK>
Modules linked in:
---[ end trace 3dac1d7ac3907f16 ]---
RIP: 0010:jfs_evict_inode+0x42d/0x430 fs/jfs/inode.c:175
Code: f2 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 bd a2 f2 fe e9 16 fe ff ff e8 63 97 ad fe <0f> 0b 90 41 57 41 56 41 54 53 48 89 fb 49 bc 00 00 00 00 00 fc ff
RSP: 0018:ffffc9000343fa00 EFLAGS: 00010293
RAX: ffffffff82cb89ad RBX: ffff88805fda2930 RCX: ffff88801e548000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88805fda2930
RBP: 0000000000000001 R08: ffffffff901d4227 R09: 1ffffffff203a844
R10: dffffc0000000000 R11: fffffbfff203a845 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88805fda25b8 R15: ffff88805fda2958
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000561629f42000 CR3: 000000005c56a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400