REISERFS panic (device loop3): journal-2332 do_journal_end: Trying to log block 528, which is a log block ------------[ cut here ]------------ kernel BUG at fs/reiserfs/prints.c:390! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 5216 Comm: syz-executor.3 Not tainted 6.7.0-rc4-syzkaller-00111-g5e3f5b81de80 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:__reiserfs_panic+0x101/0x150 fs/reiserfs/prints.c:390 Code: ff 4d 89 e8 4c 89 f1 4c 89 e2 48 8d b3 60 06 00 00 49 c7 c1 20 04 8d 92 48 c7 c7 80 e0 e2 8a e8 15 52 42 ff e8 30 76 5f ff 90 <0f> 0b 49 c7 c6 20 df e2 8a 4d 89 f4 eb c4 e8 1c 76 5f ff 4d 85 e4 RSP: 0018:ffffc9000394f9e0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888023870000 RCX: ffffffff816a8029 RDX: ffff88801afc4800 RSI: ffffffff82281780 RDI: 0000000000000005 RBP: ffffc9000394fab0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000004 R12: ffffffff8ae345a0 R13: ffffffff8ae34dc0 R14: ffffffff8ae2dee0 R15: 0000000000000210 FS: 0000000000000000(0000) GS:ffff88802c700000(0063) knlGS:0000000058083400 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f7378020 CR3: 0000000074d3e000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_journal_end+0x4271/0x4f10 fs/reiserfs/journal.c:4150 reiserfs_sync_fs+0x10e/0x140 fs/reiserfs/super.c:78 sync_filesystem+0x109/0x280 fs/sync.c:56 generic_shutdown_super+0x7e/0x3d0 fs/super.c:669 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_fast_syscall_32+0x6f/0xe0 arch/x86/entry/common.c:324 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:346 entry_SYSENTER_compat_after_hwframe+0x70/0x7a RIP: 0023:0xf7ff7579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000ff9ef628 EFLAGS: 00000292 ORIG_RAX: 0000000000000034 RAX: 0000000000000000 RBX: 00000000ff9ef6d0 RCX: 000000000000000a RDX: 00000000f7353ff4 RSI: 00000000f72a53bd RDI: 00000000ff9f0774 RBP: 00000000ff9ef6d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__reiserfs_panic+0x101/0x150 fs/reiserfs/prints.c:390 Code: ff 4d 89 e8 4c 89 f1 4c 89 e2 48 8d b3 60 06 00 00 49 c7 c1 20 04 8d 92 48 c7 c7 80 e0 e2 8a e8 15 52 42 ff e8 30 76 5f ff 90 <0f> 0b 49 c7 c6 20 df e2 8a 4d 89 f4 eb c4 e8 1c 76 5f ff 4d 85 e4 RSP: 0018:ffffc9000394f9e0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888023870000 RCX: ffffffff816a8029 RDX: ffff88801afc4800 RSI: ffffffff82281780 RDI: 0000000000000005 RBP: ffffc9000394fab0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000004 R12: ffffffff8ae345a0 R13: ffffffff8ae34dc0 R14: ffffffff8ae2dee0 R15: 0000000000000210 FS: 0000000000000000(0000) GS:ffff88802c600000(0063) knlGS:0000000058083400 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000ffaeec4c CR3: 0000000074d3e000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi