rdma_rxe: ignoring netdev event = 10 for netdevsim0 infiniband syz2: set down ------------[ cut here ]------------ WARNING: CPU: 1 PID: 9859 at drivers/infiniband/core/device.c:1565 ib_unregister_device_queued+0x122/0x160 drivers/infiniband/core/device.c:1565 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 9859 Comm: syz-executor.1 Not tainted 5.7.0-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+0x188/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:221 __warn.cold+0x2f/0x35 kernel/panic.c:582 report_bug+0x27b/0x2f0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:175 [inline] fixup_bug arch/x86/kernel/traps.c:170 [inline] do_error_trap+0x12b/0x220 arch/x86/kernel/traps.c:267 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:ib_unregister_device_queued+0x122/0x160 drivers/infiniband/core/device.c:1565 Code: fb e8 c2 a6 d4 fb 48 89 ef e8 5a a1 c1 fe 48 83 c4 08 5b 5d e9 af a6 d4 fb e8 aa a6 d4 fb 0f 0b e9 46 ff ff ff e8 9e a6 d4 fb <0f> 0b e9 6f ff ff ff 48 89 ef e8 bf 72 12 fc e9 16 ff ff ff 48 c7 RSP: 0018:ffffc90001d07290 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff888061224000 RCX: ffffc9000480a000 RDX: 0000000000040000 RSI: ffffffff859e8812 RDI: ffff888061224310 RBP: 0000000000000019 R08: ffff88809191e580 R09: ffffed100c2449bb R10: ffff888061224dd3 R11: ffffed100c2449ba R12: 0000000000000006 R13: ffff8880609f4000 R14: 0000000000000000 R15: ffffffff8a44fe40 rxe_notify+0x77/0xd0 drivers/infiniband/sw/rxe/rxe_net.c:605 notifier_call_chain+0xc0/0x230 kernel/notifier.c:83 call_netdevice_notifiers_info net/core/dev.c:1948 [inline] call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:1933 call_netdevice_notifiers_extack net/core/dev.c:1960 [inline] call_netdevice_notifiers net/core/dev.c:1974 [inline] rollback_registered_many+0x75c/0xe70 net/core/dev.c:8828 rollback_registered+0xf2/0x1c0 net/core/dev.c:8873 unregister_netdevice_queue net/core/dev.c:9969 [inline] unregister_netdevice_queue+0x1d7/0x2b0 net/core/dev.c:9962 unregister_netdevice include/linux/netdevice.h:2725 [inline] nsim_destroy+0x35/0x60 drivers/net/netdevsim/netdev.c:330 __nsim_dev_port_del+0x144/0x1e0 drivers/net/netdevsim/dev.c:934 nsim_dev_port_del_all+0x86/0xe0 drivers/net/netdevsim/dev.c:947 nsim_dev_reload_destroy+0x77/0x110 drivers/net/netdevsim/dev.c:1123 nsim_dev_reload_down+0x6e/0xd0 drivers/net/netdevsim/dev.c:703 devlink_reload+0xbd/0x3b0 net/core/devlink.c:2797 devlink_nl_cmd_reload+0x6b6/0x7c0 net/core/devlink.c:2832 genl_family_rcv_msg_doit net/netlink/genetlink.c:673 [inline] genl_family_rcv_msg net/netlink/genetlink.c:718 [inline] genl_rcv_msg+0x627/0xdf0 net/netlink/genetlink.c:735 netlink_rcv_skb+0x15a/0x410 net/netlink/af_netlink.c:2469 genl_rcv+0x24/0x40 net/netlink/genetlink.c:746 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x537/0x740 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x882/0xe10 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:672 ____sys_sendmsg+0x6bf/0x7e0 net/socket.c:2362 ___sys_sendmsg+0x100/0x170 net/socket.c:2416 __sys_sendmsg+0xec/0x1b0 net/socket.c:2449 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x45c829 Code: 0d 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 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fb3dedfac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000004fcea0 RCX: 000000000045c829 RDX: 0000000000000000 RSI: 0000000020000800 RDI: 0000000000000005 RBP: 000000000078bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000090b R14: 00000000004cbb20 R15: 00007fb3dedfb6d4 Kernel Offset: disabled Rebooting in 86400 seconds..