WARNING in packet_sock

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-4.19	WARNING in packet_sock_destruct (2)				1	1202d	1202d	0/1	auto-closed as invalid on 2021/12/18 02:34
linux-4.19	WARNING in packet_sock_destruct (3)				1	1028d	1028d	0/1	auto-closed as invalid on 2022/06/09 21:59

netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue ------------[ cut here ]------------ WARNING: CPU: 0 PID: 9897 at net/packet/af_packet.c:1289 packet_sock_destruct.cold+0x29/0x49 net/packet/af_packet.c:1289 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 9897 Comm: syz-executor.5 Not tainted 4.19.179-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 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:186 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 netlink: 44 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:packet_sock_destruct.cold+0x29/0x49 net/packet/af_packet.c:1289 Code: ea e8 09 bb 51 f9 48 c7 c7 80 ed 5a 89 e8 b7 60 e0 ff 0f 0b e9 19 cf 0d ff e8 f1 ba 51 f9 48 c7 c7 80 ed 5a 89 e8 9f 60 e0 ff <0f> 0b e9 ab ce 0d ff e8 d9 ba 51 f9 48 89 ee 48 c7 c7 e0 ed 5a 89 RSP: 0018:ffff888046847c80 EFLAGS: 00010286 RAX: 0000000000000024 RBX: 0000000000000300 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff814de3d1 RDI: ffffed1008d08f82 RBP: ffff888054188dc0 R08: 0000000000000024 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff888054188f98 R13: ffff888054188dc0 R14: ffff88804a233b00 R15: ffff888054188e40 __sk_destruct+0x4b/0x8a0 net/core/sock.c:1559 sk_destruct net/core/sock.c:1599 [inline] __sk_free+0x165/0x3b0 net/core/sock.c:1610 sk_free+0x3b/0x50 net/core/sock.c:1621 sock_put include/net/sock.h:1711 [inline] packet_release+0x890/0xb70 net/packet/af_packet.c:3088 __sock_release+0xcd/0x2a0 net/socket.c:579 sock_close+0x15/0x20 net/socket.c:1140 __fput+0x2ce/0x890 fs/file_table.c:278 task_work_run+0x148/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x41927b Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44 RSP: 002b:00007ffcc6504d10 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000006 RCX: 000000000041927b RDX: 0000000000000000 RSI: 0000000008c9f5bb RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2f822c64 R10: 0000000000000000 R11: 0000000000000293 R12: 000000000056c9e0 R13: 000000000056c9e0 R14: 000000000056bf60 R15: 00000000000210a6 Kernel Offset: disabled Rebooting in 86400 seconds..