------------[ cut here ]------------ WARNING: CPU: 1 PID: 22904 at ./include/net/sock.h:666 sk_del_node_init include/net/sock.h:666 [inline] WARNING: CPU: 1 PID: 22904 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: 1 PID: 22904 Comm: syz-executor.5 Not tainted 5.3.0-rc5+ #88 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 07 b2 39 00 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 13 f2 31 fa 48 c7 c7 fa c6 3a 88 31 c0 e8 e8 3c 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:ffff88805aee7c30 EFLAGS: 00010246 RAX: 0000000000000024 RBX: 0000000000000001 RCX: d22ab74699c90c00 RDX: 0000000000000000 RSI: 0000000000000201 RDI: 0000000000000000 RBP: ffff88805aee7c78 R08: ffffffff815cf794 R09: ffffed1015d66088 R10: ffffed1015d66088 R11: 0000000000000000 R12: ffff88805d226a80 R13: dffffc0000000000 R14: ffff88805d226b00 R15: ffff88805d226aa8 __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 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x459/0x580 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: 0033:0x413511 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:00007ffec71b0990 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000413511 RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000000000 R08: ffffffffffffffff R09: ffffffffffffffff R10: 00007ffec71b0a70 R11: 0000000000000293 R12: 000000000075bfc8 R13: 000000000005089b R14: 00000000007603c0 R15: ffffffffffffffff Kernel Offset: disabled Rebooting in 86400 seconds..