R10: 0000000020000200 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffe9c150a8f R14: 00007efd2249e300 R15: 0000000000022000 ------------[ cut here ]------------ UDF-fs: error (device loop4): udf_process_sequence: Primary Volume Descriptor not found! VFS: brelse: Trying to free free buffer WARNING: CPU: 0 PID: 1629 at fs/buffer.c:1144 __brelse fs/buffer.c:1144 [inline] WARNING: CPU: 0 PID: 1629 at fs/buffer.c:1144 __brelse+0x67/0xa0 fs/buffer.c:1138 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 1629 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:__brelse fs/buffer.c:1144 [inline] RIP: 0010:__brelse+0x67/0xa0 fs/buffer.c:1138 Code: 7c 04 84 d2 75 4e 44 8b 63 60 31 ff 44 89 e6 e8 bf 16 b2 ff 45 85 e4 75 1c e8 45 15 b2 ff 48 c7 c7 e0 1c 75 88 e8 1e 4d 42 06 <0f> 0b 5b 5d 41 5c e9 2e 15 b2 ff e8 29 15 b2 ff be 04 00 00 00 48 RSP: 0018:ffff8880424c79e0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff8880994c3540 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff814dff01 RDI: ffffed1008498f2e RBP: ffff8880994c35a0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880994c3540 R14: ffff888096109670 R15: 0000000000000541 brelse include/linux/buffer_head.h:297 [inline] udf_rename+0x92c/0x1270 fs/udf/namei.c:1226 vfs_rename+0x67e/0x1bc0 fs/namei.c:4479 do_renameat2+0xb59/0xc70 fs/namei.c:4629 __do_sys_renameat2 fs/namei.c:4664 [inline] __se_sys_renameat2 fs/namei.c:4661 [inline] __x64_sys_renameat2+0xba/0x150 fs/namei.c:4661 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7efd23f2c0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007efd2249e168 EFLAGS: 00000246 ORIG_RAX: 000000000000013c RAX: ffffffffffffffda RBX: 00007efd2404bf80 RCX: 00007efd23f2c0f9 RDX: 0000000000000004 RSI: 00000000200001c0 RDI: 0000000000000004 RBP: 00007efd2249e1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000200 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffe9c150a8f R14: 00007efd2249e300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..