syzbot

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kernel BUG at fs/jfs/inode.c:169!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 5821 Comm: syz-executor248 Not tainted 6.14.0-rc6-syzkaller-00022-gb7f94fcf5546 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:jfs_evict_inode+0x434/0x440 fs/jfs/inode.c:169
Code: df e8 10 fa d4 fe e9 1d fe ff ff e8 86 3b 70 fe 48 c7 c7 a0 29 f5 8e 4c 89 ee e8 b7 c2 d4 01 e9 92 fd ff ff e8 6d 3b 70 fe 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90003eff958 EFLAGS: 00010293
RAX: ffffffff8351a343 RBX: ffff88807335aed0 RCX: ffff88807b340000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88807335b248
RBP: ffffc90003effad0 R08: ffffffff825c64b3 R09: 1ffffffff28a2f23
R10: dffffc0000000000 R11: ffffffff83518070 R12: ffff88807335b248
R13: ffff88807335b2c8 R14: dffffc0000000000 R15: ffff8880793af490
FS:  00005555897333c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558973c738 CR3: 00000000780ae000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 evict+0x4e8/0x9a0 fs/inode.c:796
 dispose_list fs/inode.c:845 [inline]
 evict_inodes+0x6f6/0x790 fs/inode.c:899
 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627
 kill_block_super+0x44/0x90 fs/super.c:1710
 deactivate_locked_super+0xc4/0x130 fs/super.c:473
 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413
 task_work_run+0x24f/0x310 kernel/task_work.c:227
 ptrace_notify+0x2d9/0x380 kernel/signal.c:2522
 ptrace_report_syscall include/linux/ptrace.h:415 [inline]
 ptrace_report_syscall_exit include/linux/ptrace.h:477 [inline]
 syscall_exit_work+0xc7/0x1d0 kernel/entry/common.c:173
 syscall_exit_to_user_mode_prepare kernel/entry/common.c:200 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:205 [inline]
 syscall_exit_to_user_mode+0x24a/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f17bbd6f037
Code: 0a 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:00007ffe6b20a0b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f17bbd6f037
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe6b20a170
RBP: 00007ffe6b20a170 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffe6b20b220
R13: 0000555589734700 R14: 431bde82d7b634db R15: 00007ffe6b20b1c4
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:jfs_evict_inode+0x434/0x440 fs/jfs/inode.c:169
Code: df e8 10 fa d4 fe e9 1d fe ff ff e8 86 3b 70 fe 48 c7 c7 a0 29 f5 8e 4c 89 ee e8 b7 c2 d4 01 e9 92 fd ff ff e8 6d 3b 70 fe 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90003eff958 EFLAGS: 00010293
RAX: ffffffff8351a343 RBX: ffff88807335aed0 RCX: ffff88807b340000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88807335b248
RBP: ffffc90003effad0 R08: ffffffff825c64b3 R09: 1ffffffff28a2f23
R10: dffffc0000000000 R11: ffffffff83518070 R12: ffff88807335b248
R13: ffff88807335b2c8 R14: dffffc0000000000 R15: ffff8880793af490
FS:  00005555897333c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558973c738 CR3: 00000000780ae000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400