------------[ cut here ]------------ kernel BUG at fs/reiserfs/journal.c:1916! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4250 Comm: syz-executor Not tainted 6.1.138-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 RIP: 0010:do_journal_release+0x536/0x540 fs/reiserfs/journal.c:1916 Code: b9 ff e9 49 fc ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c b9 fc ff ff 4c 89 ff e8 54 26 b9 ff e9 ac fc ff ff e8 fa b2 67 ff <0f> 0b e8 f3 b2 67 ff 0f 0b 90 41 57 41 56 53 48 89 f3 49 bf 00 00 RSP: 0018:ffffc900040d7b00 EFLAGS: 00010293 RAX: ffffffff821920b6 RBX: ffff88807511c000 RCX: ffff8880303b3b80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900040d7bf8 R08: dffffc0000000000 R09: ffffc900040d7b40 R10: fffff5200081af6f R11: 1ffff9200081af68 R12: ffffc9000c331000 R13: 1ffff9200081af64 R14: ffff88807511c678 R15: 0000000000000000 FS: 000055558dec6500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0c6ad49000 CR3: 000000005b502000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: journal_release+0x1b/0x30 fs/reiserfs/journal.c:1971 reiserfs_put_super+0x21e/0x480 fs/reiserfs/super.c:616 generic_shutdown_super+0x130/0x340 fs/super.c:501 kill_block_super+0x7c/0xe0 fs/super.c:1470 deactivate_locked_super+0x93/0xf0 fs/super.c:332 cleanup_mnt+0x463/0x4f0 fs/namespace.c:1186 task_work_run+0x1ca/0x250 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f53d3d8fc97 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:00007ffde3fac5c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007f53d3e1089d RCX: 00007f53d3d8fc97 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffde3fac680 RBP: 00007ffde3fac680 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffde3fad710 R13: 00007f53d3e1089d R14: 000000000001c9ee R15: 00007ffde3fad750 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:do_journal_release+0x536/0x540 fs/reiserfs/journal.c:1916 Code: b9 ff e9 49 fc ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c b9 fc ff ff 4c 89 ff e8 54 26 b9 ff e9 ac fc ff ff e8 fa b2 67 ff <0f> 0b e8 f3 b2 67 ff 0f 0b 90 41 57 41 56 53 48 89 f3 49 bf 00 00 RSP: 0018:ffffc900040d7b00 EFLAGS: 00010293 RAX: ffffffff821920b6 RBX: ffff88807511c000 RCX: ffff8880303b3b80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900040d7bf8 R08: dffffc0000000000 R09: ffffc900040d7b40 R10: fffff5200081af6f R11: 1ffff9200081af68 R12: ffffc9000c331000 R13: 1ffff9200081af64 R14: ffff88807511c678 R15: 0000000000000000 FS: 000055558dec6500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f08f0571da0 CR3: 000000005b502000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400