------------[ cut here ]------------ jump label: negative count! WARNING: CPU: 0 PID: 15060 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: 15060 Comm: syz-executor.0 Not tainted 5.0.0+ #97 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 kobject: 'loop1' (00000000eb2f9fe6): kobject_uevent_env __warn.cold+0x20/0x45 kernel/panic.c:571 kobject: 'loop1' (00000000eb2f9fe6): fill_kobj_path: path = '/devices/virtual/block/loop1' report_bug+0x263/0x2b0 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+0x11b/0x200 arch/x86/kernel/traps.c:271 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290 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 1c b2 e6 ff 85 db 0f 89 56 ff ff ff e8 8f b0 e6 ff 48 c7 c7 00 22 72 87 e8 31 f6 b9 ff <0f> 0b e9 3e ff ff ff 4c 89 e7 e8 74 49 1e 00 eb c9 48 c7 c7 78 c4 RSP: 0018:ffff8880a459fcc8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff815a65c6 RDI: ffffed10148b3f8b RBP: ffff8880a459fce8 R08: ffff8880a08c4700 R09: ffffed1015d03ef9 R10: ffffed1015d03ef8 R11: ffff8880ae81f7c7 R12: ffffffff8b0d60a0 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:2499 [inline] udp_destroy_sock+0x152/0x220 net/ipv4/udp.c:2485 sk_common_release+0x6d/0x330 net/core/sock.c:3141 udp_lib_close+0x16/0x20 include/net/udp.h:206 inet_release+0x105/0x1f0 net/ipv4/af_inet.c:428 __sock_release+0xd3/0x2b0 net/socket.c:579 sock_close+0x1b/0x30 net/socket.c:1162 __fput+0x2df/0x8d0 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x14a/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:166 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: 0033:0x411e31 Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 94 19 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007ffe105056b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000411e31 RDX: 0000001b31720000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000000000 R08: ffffffff8132991a R09: 000000003ffb1336 R10: 00007ffe105055e0 R11: 0000000000000293 R12: 0000000000000000 R13: 00007ffe105056f0 R14: 0000000000000000 R15: 00007ffe10505700 Kernel Offset: disabled Rebooting in 86400 seconds..