netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. VFS: brelse: Trying to free free buffer ------------[ cut here ]------------ WARNING: CPU: 0 PID: 13170 at fs/buffer.c:1206 __brelse.part.0+0x11/0x14 fs/buffer.c:1206 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 13170 Comm: syz-executor.3 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x20/0x44 kernel/panic.c:547 report_bug+0x208/0x250 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:967 RIP: 0010:__brelse.part.0+0x11/0x14 fs/buffer.c:1206 RSP: 0018:ffff88804681fa48 EFLAGS: 00010286 RAX: 0000000000000027 RBX: ffff88803d8f6348 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff814443b0 RDI: ffffed1008d03f3f RBP: ffff88804681fc48 R08: 0000000000000027 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88803db0a160 R13: ffff88808e2f7040 R14: ffff8880494961a0 R15: ffff8880497f7738 __brelse.cold+0xa/0xf fs/buffer.c:1207 brelse include/linux/buffer_head.h:331 [inline] udf_rename+0x181/0x1180 fs/udf/namei.c:1121 vfs_rename+0x560/0x1820 fs/namei.c:4498 SYSC_renameat2 fs/namei.c:4646 [inline] SyS_renameat2+0x95b/0xad0 fs/namei.c:4535 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f3c11ac00c9 RSP: 002b:00007f3c10032168 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007f3c11bdff80 RCX: 00007f3c11ac00c9 RDX: 0000000000000000 RSI: 0000000020000200 RDI: 00000000200002c0 RBP: 00007f3c11b1bae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffeb0ab995f R14: 00007f3c10032300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..