WARNING: CPU: 1 PID: 9506 at include/net/sock.h:666 sk_del_node_init include/net/sock.h:666 [inline] WARNING: CPU: 1 PID: 9506 at include/net/sock.h:666 smc_unhash_sk+0x1ea/0x260 net/smc/af_smc.c:96 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 9506 Comm: syz-executor684 Not tainted 5.2.0-rc3+ #12 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+0x2cb/0x744 kernel/panic.c:219 __warn.cold+0x20/0x4d kernel/panic.c:576 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+0x14/0x20 arch/x86/entry/entry_64.S:986 RIP: 0010:sk_del_node_init include/net/sock.h:666 [inline] RIP: 0010:smc_unhash_sk+0x1ea/0x260 net/smc/af_smc.c:96 Code: ff ff ff ff e8 27 7f 95 fe e8 42 04 8c fa 4c 89 ef e8 7a fa 37 00 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 26 04 8c fa <0f> 0b eb 86 4c 89 e7 e8 2a a2 c4 fa e9 5f ff ff ff e8 40 a2 c4 fa RSP: 0018:ffff8880a5297d28 EFLAGS: 00010293 RAX: ffff8880a3c16300 RBX: ffff888089235280 RCX: ffffffff86e4a20e RDX: 0000000000000000 RSI: ffffffff86e4a28a RDI: 0000000000000005 RBP: ffff8880a5297d58 R08: ffff8880a3c16300 R09: ffffed1011246a61 R10: ffffed1011246a60 R11: ffff888089235303 R12: ffff888089235300 R13: ffffffff89751d40 R14: ffff8880892352a8 R15: 0000000000000001 smc_release+0x32c/0x7b0 net/smc/af_smc.c:165 __sock_release+0xce/0x2a0 net/socket.c:601 sock_close+0x1b/0x30 net/socket.c:1273 __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:185 [inline] exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:168 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:279 [inline] do_syscall_64+0x58e/0x680 arch/x86/entry/common.c:304 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x403730 Code: 01 f0 ff ff 0f 83 c0 0f 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d bd 01 2e 00 00 75 14 b8 03 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 94 0f 00 00 c3 48 83 ec 08 e8 fa 04 00 00 RSP: 002b:00007fff5dc144f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000403730 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000024040000 R11: 0000000000000246 R12: 000000000000000c R13: 0000000000404be0 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..