WARNING: CPU: 0 PID: 7178 at include/net/sock.h:666 smc_unhash_sk+0x1c3/0x240 net/smc/af_smc.c:98
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 7178 Comm: syz-executor.2 Not tainted 5.1.0-rc4-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+0x113/0x167 lib/dump_stack.c:113
 panic+0x212/0x40b kernel/panic.c:214
 __warn.cold.8+0x1b/0x38 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+0x1c3/0x240 net/smc/af_smc.c:95
Code: 3c 02 00 75 57 48 8b 7b 30 ba ff ff ff ff e8 04 41 b0 fe 4c 89 ef e8 fc 85 35 00 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b eb 8a 4c 89 e7 e8 f1 f6 e9 fa e9 72 ff ff ff e8 07 f7 e9 fa
RSP: 0018:ffff8880a875fd30 EFLAGS: 00010246
RAX: 0000000000000001 RBX: ffff8880a8bce980 RCX: ffffffff86acf7ec
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880a8bcea00
RBP: ffff8880a875fd60 R08: ffffed1015179d41 R09: ffffed1015179d40
R10: ffffed1015179d40 R11: ffff8880a8bcea03 R12: ffff8880a8bcea00
R13: ffffffff893673c0 R14: ffff8880a8bce9a8 R15: ffff8880a8bcf2e8
 smc_release+0x26c/0x6c0 net/smc/af_smc.c:164
 __sock_release+0xc2/0x290 net/socket.c:599
 sock_close+0x10/0x20 net/socket.c:1247
 __fput+0x24f/0x800 fs/file_table.c:278
 ____fput+0x9/0x10 fs/file_table.c:309
 task_work_run+0x108/0x180 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_32_irqs_on arch/x86/entry/common.c:341 [inline]
 do_fast_syscall_32+0x862/0xa5a arch/x86/entry/common.c:397
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7f26849
Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000ff91e2fc EFLAGS: 00000292 ORIG_RAX: 0000000000000006
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000000
RDX: 0000000000000005 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..