WARNING in packet_sock

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-4.19	WARNING in packet_sock_destruct (2)	-1				1	1430d	1430d	0/1	auto-closed as invalid on 2021/12/18 02:34
linux-4.19	WARNING in packet_sock_destruct	-1				1	1595d	1595d	0/1	auto-closed as invalid on 2021/07/05 21:56

WARNING: CPU: 1 PID: 26496 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: 1 PID: 26496 Comm: syz-executor.0 Not tainted 4.19.211-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: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:packet_sock_destruct.cold+0x29/0x49 net/packet/af_packet.c:1289 Code: ea e8 99 25 4f f9 48 c7 c7 a0 60 5b 89 e8 f8 56 e0 ff 0f 0b e9 f9 60 0d ff e8 81 25 4f f9 48 c7 c7 a0 60 5b 89 e8 e0 56 e0 ff <0f> 0b e9 8b 60 0d ff e8 69 25 4f f9 48 89 ee 48 c7 c7 00 61 5b 89 RSP: 0018:ffff88809ef57890 EFLAGS: 00010282 RAX: 0000000000000024 RBX: 0000000000000300 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1013deaf04 RBP: ffff888094130300 R08: 0000000000000024 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880941304d8 R13: ffff888094130300 R14: ffff88808db18540 R15: ffff888094130380 __sk_destruct+0x4b/0x8a0 net/core/sock.c:1576 sk_destruct net/core/sock.c:1617 [inline] __sk_free+0x165/0x3b0 net/core/sock.c:1628 sk_free+0x3b/0x50 net/core/sock.c:1639 sock_put include/net/sock.h:1713 [inline] packet_release+0x890/0xb70 net/packet/af_packet.c:3088 __sock_release+0xcd/0x2a0 net/socket.c:599 sock_close+0x15/0x20 net/socket.c:1214 __fput+0x2ce/0x890 fs/file_table.c:278 task_work_run+0x148/0x1c0 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0xbf3/0x2be0 kernel/exit.c:870 do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 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: 0033:0x7f842efb8f74 Code: Bad RIP value. RSP: 002b:00007f842d95a040 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: fffffffffffffff3 RBX: 00007f842f119030 RCX: 00007f842efb8f74 RDX: 0000000000000002 RSI: 00007f842d95a0d0 RDI: 00000000ffffff9c RBP: 00007f842d95a0d0 R08: 0000000000000000 R09: 00007f842d959f50 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 00007fff65adc5bf R14: 00007f842d95a300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..