------------[ cut here ]------------ jump label: negative count! WARNING: CPU: 0 PID: 26173 at kernel/jump_label.c:219 __static_key_slow_dec_cpuslocked+0x12d/0x150 kernel/jump_label.c:219 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 26173 Comm: syz-executor.3 Not tainted 5.1.0-rc6+ #156 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+0x172/0x1f0 lib/dump_stack.c:113 panic+0x2cb/0x65c kernel/panic.c:214 __warn.cold+0x20/0x45 kernel/panic.c:571 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:__static_key_slow_dec_cpuslocked+0x12d/0x150 kernel/jump_label.c:219 Code: 84 d2 75 2d 41 8b 1c 24 31 ff 89 de e8 0c 1f e6 ff 85 db 0f 89 56 ff ff ff e8 7f 1d e6 ff 48 c7 c7 e0 a6 71 87 e8 11 cb b8 ff <0f> 0b e9 3e ff ff ff 4c 89 e7 e8 24 a5 1e 00 eb c9 48 c7 c7 78 c5 RSP: 0018:ffff88808a24f910 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff815afcf6 RDI: ffffed1011449f14 RBP: ffff88808a24f930 R08: ffff88805ef364c0 R09: ffffed1015d05011 R10: ffffed1015d05010 R11: ffff8880ae828087 R12: ffffffff8b14e420 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 __static_key_slow_dec kernel/jump_label.c:238 [inline] static_key_slow_dec+0x60/0xa0 kernel/jump_label.c:252 udp_destroy_sock net/ipv4/udp.c:2494 [inline] udp_destroy_sock+0x152/0x220 net/ipv4/udp.c:2480 sk_common_release+0x6d/0x330 net/core/sock.c:3146 udp_lib_close+0x16/0x20 include/net/udp.h:206 inet_release+0x105/0x1f0 net/ipv4/af_inet.c:432 __sock_release+0xd3/0x2b0 net/socket.c:599 sock_close+0x1b/0x30 net/socket.c:1267 __fput+0x2e5/0x8d0 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x14a/0x1c0 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x90a/0x2fa0 kernel/exit.c:876 do_group_exit+0x135/0x370 kernel/exit.c:980 get_signal+0x399/0x1d50 kernel/signal.c:2577 do_signal+0x87/0x1940 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x244/0x2c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x52d/0x610 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458da9 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f7006f52cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000073bf08 RCX: 0000000000458da9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000073bf08 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000073bf0c R13: 00007fff39c6667f R14: 00007f7006f539c0 R15: 000000000073bf0c Kernel Offset: disabled Rebooting in 86400 seconds..