------------[ cut here ]------------ kernel BUG at fs/reiserfs/journal.c:1451! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5409 Comm: syz-executor.0 Not tainted 6.7.0-rc1-syzkaller-00139-g6bc40e44f1dd #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:flush_journal_list+0x1c37/0x1c80 fs/reiserfs/journal.c:1451 Code: 48 c7 c1 00 b9 7c 8b e8 97 53 fb ff e8 b2 40 54 ff 90 0f 0b e8 aa 40 54 ff 90 0f 0b e8 a2 40 54 ff 90 0f 0b e8 9a 40 54 ff 90 <0f> 0b e8 92 40 54 ff 90 0f 0b e8 8a 40 54 ff 90 0f 0b e8 82 40 54 RSP: 0018:ffffc90004ae76d0 EFLAGS: 00010293 RAX: ffffffff823a3e16 RBX: 0000000000000001 RCX: ffff88801e4a5940 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff823a28a5 R09: 1ffff1100d5cd7d0 R10: dffffc0000000000 R11: ffffed100d5cd7d1 R12: ffff88806ae6be80 R13: ffffc90004d3b0d8 R14: 1ffff1100d5cd7d0 R15: 1ffff920009a761d FS: 0000555556e97480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556ea0938 CR3: 000000001fa56000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: flush_older_journal_lists fs/reiserfs/journal.c:1317 [inline] flush_journal_list+0xea7/0x1c80 fs/reiserfs/journal.c:1574 do_journal_end+0x39c6/0x4b50 fs/reiserfs/journal.c:4302 do_journal_release+0x47c/0x4d0 fs/reiserfs/journal.c:1939 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:88 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f34e9e7de17 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:00007ffe60db2c38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f34e9e7de17 RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffe60db2cf0 RBP: 00007ffe60db2cf0 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe60db3db0 R13: 00007f34e9ec73b9 R14: 0000000000015ed9 R15: 0000000000000005 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:flush_journal_list+0x1c37/0x1c80 fs/reiserfs/journal.c:1451 Code: 48 c7 c1 00 b9 7c 8b e8 97 53 fb ff e8 b2 40 54 ff 90 0f 0b e8 aa 40 54 ff 90 0f 0b e8 a2 40 54 ff 90 0f 0b e8 9a 40 54 ff 90 <0f> 0b e8 92 40 54 ff 90 0f 0b e8 8a 40 54 ff 90 0f 0b e8 82 40 54 RSP: 0018:ffffc90004ae76d0 EFLAGS: 00010293 RAX: ffffffff823a3e16 RBX: 0000000000000001 RCX: ffff88801e4a5940 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff823a28a5 R09: 1ffff1100d5cd7d0 R10: dffffc0000000000 R11: ffffed100d5cd7d1 R12: ffff88806ae6be80 R13: ffffc90004d3b0d8 R14: 1ffff1100d5cd7d0 R15: 1ffff920009a761d FS: 0000555556e97480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556ea0938 CR3: 000000001fa56000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400