------------[ cut here ]------------ WARNING: CPU: 0 PID: 11334 at ./include/net/sock.h:666 sk_del_node_init include/net/sock.h:666 [inline] WARNING: CPU: 0 PID: 11334 at ./include/net/sock.h:666 smc_unhash_sk+0x21b/0x240 net/smc/af_smc.c:96 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 11334 Comm: syz-executor.5 Not tainted 5.3.0-rc5+ #91 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+0x1d8/0x2f8 lib/dump_stack.c:113 panic+0x25c/0x799 kernel/panic.c:219 __warn+0x22f/0x230 kernel/panic.c:576 report_bug+0x190/0x290 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] do_error_trap+0xd7/0x440 arch/x86/kernel/traps.c:272 do_invalid_op+0x36/0x40 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+0x21b/0x240 net/smc/af_smc.c:96 Code: 48 89 df e8 17 b1 39 00 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 13 e2 31 fa 48 c7 c7 12 c3 3a 88 31 c0 e8 e8 2c 1b fa <0f> 0b eb 85 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5b ff ff ff 4c RSP: 0018:ffff88805414fa10 EFLAGS: 00010246 RAX: 0000000000000024 RBX: 0000000000000001 RCX: 82ba4b37b44d3c00 RDX: ffffc900109aa000 RSI: 0000000000006561 RDI: 0000000000006562 RBP: ffff88805414fa58 R08: ffffffff815cf794 R09: ffffed1015d46088 R10: ffffed1015d46088 R11: 0000000000000000 R12: ffff888060ab2180 R13: dffffc0000000000 R14: ffff888060ab2200 R15: ffff888060ab21a8 __smc_release+0x1f8/0x3a0 net/smc/af_smc.c:146 smc_release+0x15b/0x2c0 net/smc/af_smc.c:185 __sock_release net/socket.c:590 [inline] sock_close+0xe1/0x260 net/socket.c:1268 __fput+0x2e4/0x740 fs/file_table.c:280 ____fput+0x15/0x20 fs/file_table.c:313 task_work_run+0x17e/0x1b0 kernel/task_work.c:113 get_signal+0x1ca8/0x1d60 kernel/signal.c:2528 do_signal+0x37/0x640 arch/x86/kernel/signal.c:815 exit_to_usermode_loop arch/x86/entry/common.c:159 [inline] prepare_exit_to_usermode+0x303/0x580 arch/x86/entry/common.c:194 syscall_return_slowpath+0x113/0x4a0 arch/x86/entry/common.c:274 do_syscall_64+0x126/0x140 arch/x86/entry/common.c:299 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459879 Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f3569ba9c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffff8d RBX: 0000000000000003 RCX: 0000000000459879 RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3569baa6d4 R13: 00000000004bfdc4 R14: 00000000004d1c00 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..