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WARNING: CPU: 1 PID: 10576 at include/net/sock.h:666 sk_del_node_init include/net/sock.h:666 [inline]
WARNING: CPU: 1 PID: 10576 at include/net/sock.h:666 smc_unhash_sk.cold+0x11/0x18 net/smc/af_smc.c:96
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 10576 Comm: syz-executor.3 Not tainted 5.3.0-rc5-next-20190823 #72
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+0x2dc/0x755 kernel/panic.c:220
 __warn.cold+0x20/0x4c kernel/panic.c:584
 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+0x23/0x30 arch/x86/entry/entry_64.S:1028
RIP: 0010:sk_del_node_init include/net/sock.h:666 [inline]
RIP: 0010:smc_unhash_sk.cold+0x11/0x18 net/smc/af_smc.c:96
Code: 89 ff e8 76 4d a0 fa e9 ce f8 ff ff 4c 89 ff e8 69 4d a0 fa e9 4e fa ff ff e8 7f 5b 65 fa 48 c7 c7 e0 51 63 88 e8 37 d0 4e fa <0f> 0b e9 94 43 ff ff e8 67 5b 65 fa 48 c7 c7 e0 51 63 88 e8 1f d0
RSP: 0018:ffff88808b957d00 EFLAGS: 00010282
RAX: 0000000000000024 RBX: ffff88805a130040 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815bd2b6 RDI: ffffed101172af92
RBP: ffff88808b957d30 R08: 0000000000000024 R09: ffffed1015d260d9
R10: ffffed1015d260d8 R11: ffff8880ae9306c7 R12: ffff88805a1300c0
R13: ffffffff89bb2ca0 R14: ffff88805a130068 R15: 0000000000000001
 __smc_release+0x202/0x450 net/smc/af_smc.c:146
 smc_release+0x10c/0x380 net/smc/af_smc.c:185
 __sock_release+0xce/0x280 net/socket.c:590
 sock_close+0x1e/0x30 net/socket.c:1268
 __fput+0x2ff/0x890 fs/file_table.c:280
 ____fput+0x16/0x20 fs/file_table.c:313
 task_work_run+0x145/0x1c0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_usermode_loop+0x316/0x380 arch/x86/entry/common.c:163
 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:274 [inline]
 do_syscall_64+0x65f/0x760 arch/x86/entry/common.c:300
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x413561
Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 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:00007ffeda103140 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000413561
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 0000000000000001 R08: 00000000e1192ab6 R09: 00000000e1192aba
R10: 00007ffeda103220 R11: 0000000000000293 R12: 000000000075bf20
R13: 0000000000039841 R14: 0000000000760720 R15: ffffffffffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..