syzbot

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kernel BUG at fs/jfs/inode.c:169!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 5824 Comm: syz-executor248 Not tainted 6.15.0-syzkaller-10954-gd00a83477e7a #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:jfs_evict_inode+0x438/0x440 fs/jfs/inode.c:169
Code: fe e9 e0 fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 17 fe ff ff 4c 89 f7 e8 e3 1f ea fe e9 0a fe ff ff e8 49 c2 88 fe 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc900041af9c0 EFLAGS: 00010293
RAX: ffffffff83377797 RBX: ffff888072f4d728 RCX: ffff88802abe0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888072f4d728
RBP: 0000000000000001 R08: ffffffff8f9f96f7 R09: 1ffffffff1f3f2de
R10: dffffc0000000000 R11: ffffffff83375530 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888072f4d3b0 R15: ffffffff83377360
FS:  00005555611353c0(0000) GS:ffff888125c95000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff848c2c9c CR3: 000000007400a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 evict+0x504/0x9c0 fs/inode.c:810
 dispose_list fs/inode.c:852 [inline]
 evict_inodes+0x636/0x6c0 fs/inode.c:906
 generic_shutdown_super+0x9a/0x2c0 fs/super.c:628
 kill_block_super+0x44/0x90 fs/super.c:1753
 deactivate_locked_super+0xb9/0x130 fs/super.c:474
 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1417
 task_work_run+0x1d4/0x260 kernel/task_work.c:227
 ptrace_notify+0x281/0x2c0 kernel/signal.c:2520
 ptrace_report_syscall include/linux/ptrace.h:415 [inline]
 ptrace_report_syscall_exit include/linux/ptrace.h:477 [inline]
 syscall_exit_work+0xc6/0x1d0 kernel/entry/common.c:173
 syscall_exit_to_user_mode_work include/linux/entry-common.h:412 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline]
 do_syscall_64+0x2ad/0x3b0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7febdf71ad77
Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fff848c2c88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000024285 RCX: 00007febdf71ad77
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff848c2d40
RBP: 00007fff848c2d40 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000206 R12: 00007fff848c3e00
R13: 0000555561136700 R14: 431bde82d7b634db R15: 00007fff848c3da4
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:jfs_evict_inode+0x438/0x440 fs/jfs/inode.c:169
Code: fe e9 e0 fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 17 fe ff ff 4c 89 f7 e8 e3 1f ea fe e9 0a fe ff ff e8 49 c2 88 fe 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc900041af9c0 EFLAGS: 00010293
RAX: ffffffff83377797 RBX: ffff888072f4d728 RCX: ffff88802abe0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888072f4d728
RBP: 0000000000000001 R08: ffffffff8f9f96f7 R09: 1ffffffff1f3f2de
R10: dffffc0000000000 R11: ffffffff83375530 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888072f4d3b0 R15: ffffffff83377360
FS:  00005555611353c0(0000) GS:ffff888125c95000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff848c2c9c CR3: 000000007400a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400