------------[ cut here ]------------ kernel BUG at fs/reiserfs/prints.c:390! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 5108 Comm: syz-executor.4 Not tainted 6.7.0-rc7-syzkaller-00041-gf016f7547aee #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:__reiserfs_panic+0x140/0x150 fs/reiserfs/prints.c:390 Code: c1 e0 60 7c 8b 48 0f 44 c8 48 0f 44 d8 48 c7 c7 a0 61 7c 8b 4c 89 fe 48 89 da 4d 89 f0 49 c7 c1 a0 93 6f 92 e8 61 f6 de 08 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 f3 0f 1e fa 55 48 RSP: 0000:ffffc9000428f760 EFLAGS: 00010246 RAX: 0000000000000069 RBX: ffffffff8b7cace0 RCX: c1efa7c7fb11f800 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000428f850 R08: ffffffff817137ac R09: 1ffff92000851e8c R10: dffffc0000000000 R11: fffff52000851e8d R12: ffffffff8b7cad00 R13: ffffc9000428f780 R14: ffffffff8d13f968 R15: ffff88804c732660 FS: 0000555557471480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055dac5652008 CR3: 0000000034d48000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_journal_end+0x49cd/0x4b40 fs/reiserfs/journal.c:4150 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:89 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7fa19de7e017 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:00007ffd41efd968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fa19de7e017 RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffd41efda20 RBP: 00007ffd41efda20 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd41efeae0 R13: 00007fa19dec83b9 R14: 00000000001fc83d R15: 000000000000001e Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__reiserfs_panic+0x140/0x150 fs/reiserfs/prints.c:390 Code: c1 e0 60 7c 8b 48 0f 44 c8 48 0f 44 d8 48 c7 c7 a0 61 7c 8b 4c 89 fe 48 89 da 4d 89 f0 49 c7 c1 a0 93 6f 92 e8 61 f6 de 08 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 f3 0f 1e fa 55 48 RSP: 0000:ffffc9000428f760 EFLAGS: 00010246 RAX: 0000000000000069 RBX: ffffffff8b7cace0 RCX: c1efa7c7fb11f800 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000428f850 R08: ffffffff817137ac R09: 1ffff92000851e8c R10: dffffc0000000000 R11: fffff52000851e8d R12: ffffffff8b7cad00 R13: ffffc9000428f780 R14: ffffffff8d13f968 R15: ffff88804c732660 FS: 0000555557471480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c02de10000 CR3: 0000000034d48000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400