------------[ cut here ]------------ kernel BUG at fs/reiserfs/journal.c:1915! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5088 Comm: syz-executor.0 Not tainted 6.7.0-rc8-syzkaller-00159-ga4ab2706bb12 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:do_journal_release+0x4c6/0x4d0 fs/reiserfs/journal.c:1915 Code: ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 30 fd ff ff 48 89 df e8 3a 9a b1 ff e9 23 fd ff ff e8 20 05 df 08 e8 6b 95 55 ff 90 <0f> 0b e8 63 95 55 ff 90 0f 0b 66 0f 1f 00 41 57 41 56 53 49 89 f6 RSP: 0018:ffffc90003f6fae0 EFLAGS: 00010293 RAX: ffffffff8238e485 RBX: 0000000000000000 RCX: ffff88807b15d940 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90003f6fbd8 R08: ffffffff8238e121 R09: 0000000000000000 R10: ffffc90003f6fb20 R11: fffff520007edf6b R12: dffffc0000000000 R13: ffff888037a5c000 R14: 1ffff920007edf60 R15: 1ffff11006f4b8c6 FS: 00005555555f8480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd596bdec8 CR3: 000000003340f000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: journal_release+0x1f/0x30 fs/reiserfs/journal.c:1970 reiserfs_put_super+0x23b/0x4c0 fs/reiserfs/super.c:616 generic_shutdown_super+0x13a/0x2c0 fs/super.c:696 kill_block_super+0x44/0x90 fs/super.c:1667 deactivate_locked_super+0xc1/0x130 fs/super.c:484 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1256 task_work_run+0x24a/0x300 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:171 exit_to_user_mode_prepare+0xb1/0x150 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x69/0x2a0 kernel/entry/common.c:296 do_syscall_64+0x52/0x110 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f9a3d87e057 Code: b0 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 b0 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd596be678 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9a3d87e057 RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffd596be730 RBP: 00007ffd596be730 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd596bf7f0 R13: 00007f9a3d8c83b9 R14: 00000000000c276e R15: 0000000000000010 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:do_journal_release+0x4c6/0x4d0 fs/reiserfs/journal.c:1915 Code: ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 30 fd ff ff 48 89 df e8 3a 9a b1 ff e9 23 fd ff ff e8 20 05 df 08 e8 6b 95 55 ff 90 <0f> 0b e8 63 95 55 ff 90 0f 0b 66 0f 1f 00 41 57 41 56 53 49 89 f6 RSP: 0018:ffffc90003f6fae0 EFLAGS: 00010293 RAX: ffffffff8238e485 RBX: 0000000000000000 RCX: ffff88807b15d940 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90003f6fbd8 R08: ffffffff8238e121 R09: 0000000000000000 R10: ffffc90003f6fb20 R11: fffff520007edf6b R12: dffffc0000000000 R13: ffff888037a5c000 R14: 1ffff920007edf60 R15: 1ffff11006f4b8c6 FS: 00005555555f8480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8767ba80c0 CR3: 000000003340f000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400