------------[ cut here ]------------ kernel BUG at fs/reiserfs/journal.c:1449! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4470 Comm: syz-executor.0 Not tainted 5.15.178-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:flush_journal_list+0x1c41/0x1c80 fs/reiserfs/journal.c:1449 Code: 2b e6 3d 8c 48 c7 c1 c0 b6 bb 8a e8 79 5b fb ff e8 04 37 6d ff 0f 0b e8 fd 36 6d ff 0f 0b e8 f6 36 6d ff 0f 0b e8 ef 36 6d ff <0f> 0b e8 e8 36 6d ff 0f 0b e8 e1 36 6d ff 0f 0b e8 da 36 6d ff 0f RSP: 0018:ffffc90002f2f820 EFLAGS: 00010293 RAX: ffffffff82134ea1 RBX: 0000000000000001 RCX: ffff88807a073b80 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff82133925 R09: ffffed100e9d8b5d R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888074ec5ae0 R13: ffffc90002f510d8 R14: 1ffff1100e9d8b5c R15: 1ffff920005ea21d FS: 0000555558e06480(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555558e0f938 CR3: 000000001fd7a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: flush_older_journal_lists fs/reiserfs/journal.c:1315 [inline] flush_journal_list+0xeb5/0x1c80 fs/reiserfs/journal.c:1572 do_journal_end+0x32db/0x4650 fs/reiserfs/journal.c:4301 do_journal_release+0x478/0x4d0 fs/reiserfs/journal.c:1937 journal_release+0x1b/0x30 fs/reiserfs/journal.c:1968 reiserfs_put_super+0x237/0x4b0 fs/reiserfs/super.c:616 generic_shutdown_super+0x130/0x310 fs/super.c:475 kill_block_super+0x7a/0xe0 fs/super.c:1427 deactivate_locked_super+0xa0/0x110 fs/super.c:335 cleanup_mnt+0x44e/0x500 fs/namespace.c:1143 task_work_run+0x129/0x1a0 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:181 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f48c0da6e57 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:00007ffc8c057f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f48c0da6e57 RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffc8c058000 RBP: 00007ffc8c058000 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc8c0590c0 R13: 00007f48c0df03b9 R14: 0000000000015938 R15: 0000000000000005 Modules linked in: ---[ end trace 9ff61b9f52f7e78c ]--- RIP: 0010:flush_journal_list+0x1c41/0x1c80 fs/reiserfs/journal.c:1449 Code: 2b e6 3d 8c 48 c7 c1 c0 b6 bb 8a e8 79 5b fb ff e8 04 37 6d ff 0f 0b e8 fd 36 6d ff 0f 0b e8 f6 36 6d ff 0f 0b e8 ef 36 6d ff <0f> 0b e8 e8 36 6d ff 0f 0b e8 e1 36 6d ff 0f 0b e8 da 36 6d ff 0f RSP: 0018:ffffc90002f2f820 EFLAGS: 00010293 RAX: ffffffff82134ea1 RBX: 0000000000000001 RCX: ffff88807a073b80 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff82133925 R09: ffffed100e9d8b5d R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888074ec5ae0 R13: ffffc90002f510d8 R14: 1ffff1100e9d8b5c R15: 1ffff920005ea21d FS: 0000555558e06480(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555558e0f938 CR3: 000000001fd7a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400