WARNING: CPU: 0 PID: 7062 at include/net/sock.h:666 smc_unhash_sk+0x1b4/0x220 net/smc/af_smc.c:98 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 7062 Comm: syz-executor.1 Not tainted 5.1.0-rc4+ #1 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+0x113/0x167 lib/dump_stack.c:113 panic+0x212/0x41d kernel/panic.c:214 __warn.cold.8+0x1b/0x36 kernel/panic.c:571 report_bug+0x1a4/0x200 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:291 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:sk_del_node_init include/net/sock.h:666 [inline] RIP: 0010:smc_unhash_sk+0x1b4/0x220 net/smc/af_smc.c:95 Code: 3c 02 00 75 54 48 8b 7b 30 ba ff ff ff ff e8 b3 57 b0 fe 4c 89 ef e8 fb c2 33 00 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b eb 95 4c 89 e7 e8 80 a7 2f fb eb 80 e8 99 a7 2f fb e9 bd fe RSP: 0018:ffff8880a9817d40 EFLAGS: 00010246 RAX: 0000000000000001 RBX: ffff88808ee6f280 RCX: ffffffff8667b56c RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88808ee6f300 RBP: ffff8880a9817d70 R08: ffffed1011dcde61 R09: ffffed1011dcde60 R10: ffffed1011dcde60 R11: ffff88808ee6f303 R12: ffff88808ee6f300 R13: ffffffff88c939c0 R14: ffff88808ee6f2a8 R15: 0000000000000000 smc_release+0x282/0x6e0 net/smc/af_smc.c:164 __sock_release+0xc7/0x2a0 net/socket.c:599 sock_close+0x10/0x20 net/socket.c:1247 __fput+0x252/0x800 fs/file_table.c:278 ____fput+0x9/0x10 fs/file_table.c:309 task_work_run+0x10e/0x190 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x1a9/0x200 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+0x40d/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4129e1 Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 e4 1a 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:00007ffdfa2d69e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00000000004129e1 RDX: 0000001b2bc20000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000740340 R08: 000000000001373a R09: 000000000001373a R10: 00007ffdfa2d6ab0 R11: 0000000000000293 R12: 0000000000000001 R13: 000000000001373e R14: 000000000001376b R15: 000000000073bf0c Kernel Offset: disabled Rebooting in 86400 seconds..