------------[ cut here ]------------ kernel BUG at fs/reiserfs/journal.c:1915! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5095 Comm: syz-executor.5 Not tainted 6.7.0-rc8-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:do_journal_release fs/reiserfs/journal.c:1915 [inline] RIP: 0010:journal_release+0x438/0x500 fs/reiserfs/journal.c:1970 Code: 0f 85 ae 00 00 00 49 8b 34 24 4c 89 ef e8 a0 68 ff ff be 01 00 00 00 4c 89 ef e8 f3 8c ff ff e9 b1 fd ff ff e8 c9 02 5c ff 90 <0f> 0b e8 11 e9 b1 ff e9 ff fc ff ff e8 27 e9 b1 ff e9 7d fc ff ff RSP: 0018:ffffc90003567be0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88801c48e000 RCX: ffffffff822a5f55 RDX: ffff888038fcc080 RSI: ffffffff822a6237 RDI: 0000000000000005 RBP: 1ffff920006acf7d R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003567ce0 R13: ffffc90003567c08 R14: ffff88801c48e630 R15: ffffc900099b9000 FS: 0000555556957480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556960918 CR3: 0000000039fc9000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: reiserfs_put_super+0xe9/0x5c0 fs/reiserfs/super.c:616 generic_shutdown_super+0x161/0x3d0 fs/super.c:696 kill_block_super+0x3b/0x90 fs/super.c:1667 deactivate_locked_super+0xbc/0x1a0 fs/super.c:484 deactivate_super+0xde/0x100 fs/super.c:517 cleanup_mnt+0x222/0x450 fs/namespace.c:1256 task_work_run+0x14d/0x240 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x217/0x240 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x1e/0x60 kernel/entry/common.c:296 do_syscall_64+0x4d/0x110 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f0a3187e017 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:00007fff0499de88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f0a3187e017 RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007fff0499df40 RBP: 00007fff0499df40 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff0499f000 R13: 00007f0a318c83b9 R14: 0000000000240165 R15: 000000000000000a Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:do_journal_release fs/reiserfs/journal.c:1915 [inline] RIP: 0010:journal_release+0x438/0x500 fs/reiserfs/journal.c:1970 Code: 0f 85 ae 00 00 00 49 8b 34 24 4c 89 ef e8 a0 68 ff ff be 01 00 00 00 4c 89 ef e8 f3 8c ff ff e9 b1 fd ff ff e8 c9 02 5c ff 90 <0f> 0b e8 11 e9 b1 ff e9 ff fc ff ff e8 27 e9 b1 ff e9 7d fc ff ff RSP: 0018:ffffc90003567be0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88801c48e000 RCX: ffffffff822a5f55 RDX: ffff888038fcc080 RSI: ffffffff822a6237 RDI: 0000000000000005 RBP: 1ffff920006acf7d R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003567ce0 R13: ffffc90003567c08 R14: ffff88801c48e630 R15: ffffc900099b9000 FS: 0000555556957480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32136000 CR3: 0000000039fc9000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400