BUG at fs/jfs/jfs_logmgr.c:1588 assert(list_empty(&log->cqueue)) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_logmgr.c:1588! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 PID: 7520 Comm: syz-executor Not tainted 6.10.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:jfs_flush_journal+0xeba/0xec0 fs/jfs/jfs_logmgr.c:1588 Code: e8 fb ae 57 08 e8 c6 9f 70 fe 48 c7 c7 40 90 02 8c 48 c7 c6 40 8b 02 8c ba 34 06 00 00 48 c7 c1 80 90 02 8c e8 57 b2 54 08 90 <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90004dafb20 EFLAGS: 00010246 RAX: 0000000000000040 RBX: ffff888061dcb1a8 RCX: d0d132c49dee5500 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90004dafc50 R08: ffffffff8176927c R09: 1ffff920009b5f04 R10: dffffc0000000000 R11: fffff520009b5f05 R12: 1ffff920009b5f70 R13: dffffc0000000000 R14: ffff888061dcb000 R15: ffff888061dcb000 FS: 0000555560cd9500(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1101531000 CR3: 000000007aabe000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: jfs_umount+0x170/0x3a0 fs/jfs/jfs_umount.c:58 jfs_put_super+0x8a/0x190 fs/jfs/super.c:194 generic_shutdown_super+0x136/0x2d0 fs/super.c:642 kill_block_super+0x44/0x90 fs/super.c:1676 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1267 task_work_run+0x24f/0x310 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x360 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3226f76ec7 Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 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 a8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffcfe9fe298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f3226f76ec7 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcfe9fe350 RBP: 00007ffcfe9fe350 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffcfe9ff400 R13: 00007f3226fe364a R14: 000000000004c33b R15: 00007ffcfe9ff440 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:jfs_flush_journal+0xeba/0xec0 fs/jfs/jfs_logmgr.c:1588 Code: e8 fb ae 57 08 e8 c6 9f 70 fe 48 c7 c7 40 90 02 8c 48 c7 c6 40 8b 02 8c ba 34 06 00 00 48 c7 c1 80 90 02 8c e8 57 b2 54 08 90 <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90004dafb20 EFLAGS: 00010246 RAX: 0000000000000040 RBX: ffff888061dcb1a8 RCX: d0d132c49dee5500 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90004dafc50 R08: ffffffff8176927c R09: 1ffff920009b5f04 R10: dffffc0000000000 R11: fffff520009b5f05 R12: 1ffff920009b5f70 R13: dffffc0000000000 R14: ffff888061dcb000 R15: ffff888061dcb000 FS: 0000555560cd9500(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f272a1d53f0 CR3: 000000007aabe000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400