------------[ cut here ]------------ kernel BUG at fs/reiserfs/journal.c:1915! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5094 Comm: syz-executor.2 Not tainted 6.7.0-rc4-syzkaller-00009-gbee0e7762ad2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 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 e9 44 5b ff 90 <0f> 0b e8 31 eb b1 ff e9 ff fc ff ff e8 47 eb b1 ff e9 7d fc ff ff RSP: 0018:ffffc900043f7be0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88807d30e000 RCX: ffffffff822c4275 RDX: ffff888023ce8000 RSI: ffffffff822c4557 RDI: 0000000000000005 RBP: 1ffff9200087ef7d R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffc900043f7ce0 R13: ffffc900043f7c08 R14: ffff88807d30e630 R15: ffffc90014b29000 FS: 000055555649e480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc3dd31fb8 CR3: 000000003a440000 CR4: 0000000000350ef0 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:88 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f9bc0e7de17 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:00007ffcc8aaeac8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9bc0e7de17 RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffcc8aaeb80 RBP: 00007ffcc8aaeb80 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffcc8aafc40 R13: 00007f9bc0ec73b9 R14: 00000000001374f5 R15: 0000000000000002 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 e9 44 5b ff 90 <0f> 0b e8 31 eb b1 ff e9 ff fc ff ff e8 47 eb b1 ff e9 7d fc ff ff RSP: 0018:ffffc900043f7be0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88807d30e000 RCX: ffffffff822c4275 RDX: ffff888023ce8000 RSI: ffffffff822c4557 RDI: 0000000000000005 RBP: 1ffff9200087ef7d R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffc900043f7ce0 R13: ffffc900043f7c08 R14: ffff88807d30e630 R15: ffffc90014b29000 FS: 000055555649e480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f845d0ffd03 CR3: 000000003a440000 CR4: 0000000000350ef0