./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2911065713 <...> DUID 00:04:b5:83:26:17:e0:27:12:d6:a5:87:80:2d:51:b0:dc:e4 forked to background, child pid 3209 [ 32.697042][ T3210] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.711992][ T3210] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.60' (ECDSA) to the list of known hosts. execve("./syz-executor2911065713", ["./syz-executor2911065713"], 0x7fffd2d39220 /* 10 vars */) = 0 brk(NULL) = 0x5555573f6000 brk(0x5555573f6c40) = 0x5555573f6c40 arch_prctl(ARCH_SET_FS, 0x5555573f6300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2911065713", 4096) = 28 brk(0x555557417c40) = 0x555557417c40 brk(0x555557418000) = 0x555557418000 mprotect(0x7efddc984000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 4 sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x09\x00\x02\x00\x6c\x32\x74\x70\x00\x00\x00\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 recvfrom(4, [{nlmsg_len=276, nlmsg_type=nlctrl, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=3634}, "\x01\x02\x00\x00\x09\x00\x02\x00\x6c\x32\x74\x70\x00\x00\x00\x00\x06\x00\x01\x00\x30\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x23\x00\x00\x00\xb8\x00\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x00\x00\x00\x00\x08\x00\x02\x00\x0a\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 276 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=3634}, {error=0, msg={nlmsg_len=32, nlmsg_type=nlctrl, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 close(4) = 0 sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x3c\x00\x00\x00\x30\x00\x23\x09\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x05\x00\x07\x00\x00\x00\x00\x00\x08\x00\x09\x00\x00\x00\x00\x00\x06\x00\x02\x00\x01\x00\x00\x00\x08\x00\x0a\x00\x00\x00\x00\x00\x08\x00\x17\x00\xff\xff\xff\xff", iov_len=60}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 60 socket(AF_SMC, SOCK_STREAM, SMCPROTO_SMC) = 4 syzkaller login: [ 52.639494][ T3634] [ 52.641850][ T3634] ===================================================== [ 52.648759][ T3634] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 52.656195][ T3634] 6.1.0-rc5-syzkaller-00105-g11b64a466c95 #0 Not tainted [ 52.663195][ T3634] ----------------------------------------------------- [ 52.670103][ T3634] syz-executor291/3634 [HC0[0]:SC0[4]:HE1:SE0] is trying to acquire: [ 52.678154][ T3634] ffff888072ad0fb8 (k-clock-AF_INET){+++.}-{2:2}, at: sock_i_uid+0x1f/0xb0 [ 52.686765][ T3634] [ 52.686765][ T3634] and this task is already holding: [ 52.694110][ T3634] ffffc9000171ea28 (&tcp_hashinfo.bhash[i].lock){+.-.}-{2:2}, at: inet_csk_get_port+0x66a/0x2640 [ 52.704624][ T3634] which would create a new lock dependency: [ 52.710494][ T3634] (&tcp_hashinfo.bhash[i].lock){+.-.}-{2:2} -> (k-clock-AF_INET){+++.}-{2:2} [ 52.719351][ T3634] [ 52.719351][ T3634] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 52.728779][ T3634] (&tcp_hashinfo.bhash[i].lock){+.-.}-{2:2} [ 52.728799][ T3634] [ 52.728799][ T3634] ... which became SOFTIRQ-irq-safe at: [ 52.742437][ T3634] lock_acquire+0x1e3/0x630 [ 52.747030][ T3634] _raw_spin_lock+0x2e/0x40 [ 52.751608][ T3634] __inet_inherit_port+0x297/0x14e0 [ 52.756884][ T3634] tcp_v4_syn_recv_sock+0xb5b/0x14c0 [ 52.762248][ T3634] tcp_check_req+0x632/0x1aa0 [ 52.767000][ T3634] tcp_v4_rcv+0x24b4/0x3980 [ 52.771576][ T3634] ip_protocol_deliver_rcu+0x9f/0x7c0 [ 52.777023][ T3634] ip_local_deliver_finish+0x2ec/0x4c0 [ 52.782555][ T3634] ip_local_deliver+0x1ae/0x200 [ 52.787523][ T3634] ip_sublist_rcv_finish+0x9a/0x2c0 [ 52.792794][ T3634] ip_sublist_rcv+0x533/0x980 [ 52.797547][ T3634] ip_list_rcv+0x31e/0x470 [ 52.802038][ T3634] __netif_receive_skb_list_core+0x548/0x8f0 [ 52.808101][ T3634] netif_receive_skb_list_internal+0x75f/0xd90 [ 52.814338][ T3634] napi_complete_done+0x1f5/0x890 [ 52.819440][ T3634] virtnet_poll+0xd08/0x1300 [ 52.824104][ T3634] __napi_poll+0xb8/0x770 [ 52.828513][ T3634] net_rx_action+0xa00/0xde0 [ 52.833184][ T3634] __do_softirq+0x1fb/0xadc [ 52.837768][ T3634] __irq_exit_rcu+0x123/0x180 [ 52.842525][ T3634] irq_exit_rcu+0x9/0x20 [ 52.846842][ T3634] common_interrupt+0xad/0xd0 [ 52.851602][ T3634] asm_common_interrupt+0x26/0x40 [ 52.856705][ T3634] acpi_idle_do_entry+0x1fd/0x2a0 [ 52.861806][ T3634] acpi_idle_enter+0x368/0x510 [ 52.866642][ T3634] cpuidle_enter_state+0x1af/0xd40 [ 52.871831][ T3634] cpuidle_enter+0x4e/0xa0 [ 52.876340][ T3634] do_idle+0x3f7/0x590 [ 52.880483][ T3634] cpu_startup_entry+0x18/0x20 [ 52.885320][ T3634] rest_init+0x16d/0x270 [ 52.889635][ T3634] arch_call_rest_init+0x13/0x1c [ 52.894669][ T3634] start_kernel+0x477/0x498 [ 52.899260][ T3634] secondary_startup_64_no_verify+0xce/0xdb [ 52.905235][ T3634] [ 52.905235][ T3634] to a SOFTIRQ-irq-unsafe lock: [ 52.912234][ T3634] (k-clock-AF_INET){+++.}-{2:2} [ 52.912254][ T3634] [ 52.912254][ T3634] ... which became SOFTIRQ-irq-unsafe at: [ 52.925031][ T3634] ... [ 52.925035][ T3634] lock_acquire+0x1e3/0x630 [ 52.932182][ T3634] _raw_write_lock+0x2e/0x40 [ 52.936847][ T3634] l2tp_tunnel_register+0x126/0x1210 [ 52.942209][ T3634] l2tp_nl_cmd_tunnel_create+0x3d6/0x8b0 [ 52.947921][ T3634] genl_family_rcv_msg_doit+0x228/0x320 [ 52.953544][ T3634] genl_rcv_msg+0x445/0x780 [ 52.958121][ T3634] netlink_rcv_skb+0x157/0x430 [ 52.962960][ T3634] genl_rcv+0x28/0x40 [ 52.967018][ T3634] netlink_unicast+0x547/0x7f0 [ 52.971864][ T3634] netlink_sendmsg+0x91b/0xe10 [ 52.976701][ T3634] sock_sendmsg+0xd3/0x120 [ 52.981197][ T3634] ____sys_sendmsg+0x712/0x8c0 [ 52.986052][ T3634] ___sys_sendmsg+0x110/0x1b0 [ 52.990800][ T3634] __sys_sendmsg+0xf7/0x1c0 [ 52.995374][ T3634] do_syscall_64+0x39/0xb0 [ 52.999869][ T3634] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 53.005853][ T3634] [ 53.005853][ T3634] other info that might help us debug this: [ 53.005853][ T3634] [ 53.016064][ T3634] Possible interrupt unsafe locking scenario: [ 53.016064][ T3634] [ 53.024376][ T3634] CPU0 CPU1 [ 53.029724][ T3634] ---- ---- [ 53.035087][ T3634] lock(k-clock-AF_INET); [ 53.039485][ T3634] local_irq_disable(); [ 53.046219][ T3634] lock(&tcp_hashinfo.bhash[i].lock); [ 53.054180][ T3634] lock(k-clock-AF_INET); [ 53.061096][ T3634] [ 53.064532][ T3634] lock(&tcp_hashinfo.bhash[i].lock); [ 53.070146][ T3634] [ 53.070146][ T3634] *** DEADLOCK *** [ 53.070146][ T3634] [ 53.078271][ T3634] 3 locks held by syz-executor291/3634: [ 53.083804][ T3634] #0: ffff88801fb18130 (sk_lock-AF_SMC){+.+.}-{0:0}, at: smc_bind+0x112/0x390 [ 53.092756][ T3634] #1: ffff888072ad0d30 (k-sk_lock-AF_INET){+.+.}-{0:0}, at: __inet_bind+0x8c3/0xc90 [ 53.102224][ T3634] #2: ffffc9000171ea28 (&tcp_hashinfo.bhash[i].lock){+.-.}-{2:2}, at: inet_csk_get_port+0x66a/0x2640 [ 53.113173][ T3634] [ 53.113173][ T3634] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 53.123556][ T3634] -> (&tcp_hashinfo.bhash[i].lock){+.-.}-{2:2} { [ 53.129964][ T3634] HARDIRQ-ON-W at: [ 53.133935][ T3634] lock_acquire+0x1e3/0x630 [ 53.140091][ T3634] _raw_spin_lock_bh+0x33/0x40 [ 53.146493][ T3634] inet_csk_get_port+0x66a/0x2640 [ 53.153175][ T3634] __inet6_bind+0x625/0x1b20 [ 53.159406][ T3634] inet6_bind+0x177/0x220 [ 53.165373][ T3634] rds_tcp_listen_init+0x2a9/0x4e0 [ 53.172125][ T3634] rds_tcp_init_net+0x21d/0x4f0 [ 53.178617][ T3634] ops_init+0xb9/0x680 [ 53.184326][ T3634] register_pernet_operations+0x35a/0x850 [ 53.191772][ T3634] register_pernet_device+0x2a/0x80 [ 53.198613][ T3634] rds_tcp_init+0x65/0xd3 [ 53.204582][ T3634] do_one_initcall+0x141/0x780 [ 53.210988][ T3634] kernel_init_freeable+0x6ff/0x788 [ 53.217829][ T3634] kernel_init+0x1e/0x1d0 [ 53.223795][ T3634] ret_from_fork+0x1f/0x30 [ 53.229853][ T3634] IN-SOFTIRQ-W at: [ 53.233817][ T3634] lock_acquire+0x1e3/0x630 [ 53.239963][ T3634] _raw_spin_lock+0x2e/0x40 [ 53.246124][ T3634] __inet_inherit_port+0x297/0x14e0 [ 53.252966][ T3634] tcp_v4_syn_recv_sock+0xb5b/0x14c0 [ 53.259889][ T3634] tcp_check_req+0x632/0x1aa0 [ 53.266201][ T3634] tcp_v4_rcv+0x24b4/0x3980 [ 53.272338][ T3634] ip_protocol_deliver_rcu+0x9f/0x7c0 [ 53.279348][ T3634] ip_local_deliver_finish+0x2ec/0x4c0 [ 53.286443][ T3634] ip_local_deliver+0x1ae/0x200 [ 53.292935][ T3634] ip_sublist_rcv_finish+0x9a/0x2c0 [ 53.299770][ T3634] ip_sublist_rcv+0x533/0x980 [ 53.306098][ T3634] ip_list_rcv+0x31e/0x470 [ 53.312153][ T3634] __netif_receive_skb_list_core+0x548/0x8f0 [ 53.319775][ T3634] netif_receive_skb_list_internal+0x75f/0xd90 [ 53.327655][ T3634] napi_complete_done+0x1f5/0x890 [ 53.334325][ T3634] virtnet_poll+0xd08/0x1300 [ 53.340550][ T3634] __napi_poll+0xb8/0x770 [ 53.346521][ T3634] net_rx_action+0xa00/0xde0 [ 53.352764][ T3634] __do_softirq+0x1fb/0xadc [ 53.358913][ T3634] __irq_exit_rcu+0x123/0x180 [ 53.365257][ T3634] irq_exit_rcu+0x9/0x20 [ 53.371133][ T3634] common_interrupt+0xad/0xd0 [ 53.377453][ T3634] asm_common_interrupt+0x26/0x40 [ 53.384206][ T3634] acpi_idle_do_entry+0x1fd/0x2a0 [ 53.390870][ T3634] acpi_idle_enter+0x368/0x510 [ 53.397283][ T3634] cpuidle_enter_state+0x1af/0xd40 [ 53.404093][ T3634] cpuidle_enter+0x4e/0xa0 [ 53.410156][ T3634] do_idle+0x3f7/0x590 [ 53.415879][ T3634] cpu_startup_entry+0x18/0x20 [ 53.422280][ T3634] rest_init+0x16d/0x270 [ 53.428163][ T3634] arch_call_rest_init+0x13/0x1c [ 53.434742][ T3634] start_kernel+0x477/0x498 [ 53.440892][ T3634] secondary_startup_64_no_verify+0xce/0xdb [ 53.448425][ T3634] INITIAL USE at: [ 53.452305][ T3634] lock_acquire+0x1e3/0x630 [ 53.458365][ T3634] _raw_spin_lock_bh+0x33/0x40 [ 53.464681][ T3634] inet_csk_get_port+0x66a/0x2640 [ 53.471268][ T3634] __inet6_bind+0x625/0x1b20 [ 53.477411][ T3634] inet6_bind+0x177/0x220 [ 53.483293][ T3634] rds_tcp_listen_init+0x2a9/0x4e0 [ 53.489957][ T3634] rds_tcp_init_net+0x21d/0x4f0 [ 53.496357][ T3634] ops_init+0xb9/0x680 [ 53.501981][ T3634] register_pernet_operations+0x35a/0x850 [ 53.509262][ T3634] register_pernet_device+0x2a/0x80 [ 53.516019][ T3634] rds_tcp_init+0x65/0xd3 [ 53.521903][ T3634] do_one_initcall+0x141/0x780 [ 53.528225][ T3634] kernel_init_freeable+0x6ff/0x788 [ 53.535067][ T3634] kernel_init+0x1e/0x1d0 [ 53.540945][ T3634] ret_from_fork+0x1f/0x30 [ 53.546915][ T3634] } [ 53.549398][ T3634] ... key at: [] __key.1+0x0/0x40 [ 53.556492][ T3634] [ 53.556492][ T3634] the dependencies between the lock to be acquired [ 53.556499][ T3634] and SOFTIRQ-irq-unsafe lock: [ 53.569979][ T3634] -> (k-clock-AF_INET){+++.}-{2:2} { [ 53.575262][ T3634] HARDIRQ-ON-W at: [ 53.579234][ T3634] lock_acquire+0x1e3/0x630 [ 53.585398][ T3634] _raw_write_lock+0x2e/0x40 [ 53.591627][ T3634] l2tp_tunnel_register+0x126/0x1210 [ 53.598552][ T3634] l2tp_nl_cmd_tunnel_create+0x3d6/0x8b0 [ 53.605850][ T3634] genl_family_rcv_msg_doit+0x228/0x320 [ 53.613035][ T3634] genl_rcv_msg+0x445/0x780 [ 53.619176][ T3634] netlink_rcv_skb+0x157/0x430 [ 53.625586][ T3634] genl_rcv+0x28/0x40 [ 53.631203][ T3634] netlink_unicast+0x547/0x7f0 [ 53.637603][ T3634] netlink_sendmsg+0x91b/0xe10 [ 53.644041][ T3634] sock_sendmsg+0xd3/0x120 [ 53.650101][ T3634] ____sys_sendmsg+0x712/0x8c0 [ 53.656505][ T3634] ___sys_sendmsg+0x110/0x1b0 [ 53.662817][ T3634] __sys_sendmsg+0xf7/0x1c0 [ 53.668958][ T3634] do_syscall_64+0x39/0xb0 [ 53.675019][ T3634] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 53.682552][ T3634] HARDIRQ-ON-R at: [ 53.686513][ T3634] lock_acquire+0x1e3/0x630 [ 53.692660][ T3634] _raw_read_lock_bh+0x3f/0x70 [ 53.699063][ T3634] sock_i_uid+0x1f/0xb0 [ 53.704862][ T3634] udp_lib_lport_inuse+0x32/0x490 [ 53.711529][ T3634] udp_lib_get_port+0x835/0x18c0 [ 53.718106][ T3634] __inet_bind+0x831/0xc90 [ 53.724159][ T3634] inet_bind+0x177/0x220 [ 53.730038][ T3634] udp_sock_create4+0x1d1/0x490 [ 53.736526][ T3634] rxe_setup_udp_tunnel.constprop.0+0xfc/0x220 [ 53.744321][ T3634] rxe_net_init+0x1f/0xd0 [ 53.750287][ T3634] rxe_module_init+0x10/0x49 [ 53.756512][ T3634] do_one_initcall+0x141/0x780 [ 53.762922][ T3634] kernel_init_freeable+0x6ff/0x788 [ 53.769767][ T3634] kernel_init+0x1e/0x1d0 [ 53.775734][ T3634] ret_from_fork+0x1f/0x30 [ 53.781795][ T3634] SOFTIRQ-ON-W at: [ 53.785766][ T3634] lock_acquire+0x1e3/0x630 [ 53.791910][ T3634] _raw_write_lock+0x2e/0x40 [ 53.798138][ T3634] l2tp_tunnel_register+0x126/0x1210 [ 53.805063][ T3634] l2tp_nl_cmd_tunnel_create+0x3d6/0x8b0 [ 53.812340][ T3634] genl_family_rcv_msg_doit+0x228/0x320 [ 53.819521][ T3634] genl_rcv_msg+0x445/0x780 [ 53.825658][ T3634] netlink_rcv_skb+0x157/0x430 [ 53.832058][ T3634] genl_rcv+0x28/0x40 [ 53.837675][ T3634] netlink_unicast+0x547/0x7f0 [ 53.844071][ T3634] netlink_sendmsg+0x91b/0xe10 [ 53.850469][ T3634] sock_sendmsg+0xd3/0x120 [ 53.856526][ T3634] ____sys_sendmsg+0x712/0x8c0 [ 53.862931][ T3634] ___sys_sendmsg+0x110/0x1b0 [ 53.869253][ T3634] __sys_sendmsg+0xf7/0x1c0 [ 53.875404][ T3634] do_syscall_64+0x39/0xb0 [ 53.881463][ T3634] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 53.888996][ T3634] INITIAL USE at: [ 53.892874][ T3634] lock_acquire+0x1e3/0x630 [ 53.898932][ T3634] _raw_write_lock+0x2e/0x40 [ 53.905081][ T3634] l2tp_tunnel_register+0x126/0x1210 [ 53.911919][ T3634] l2tp_nl_cmd_tunnel_create+0x3d6/0x8b0 [ 53.919107][ T3634] genl_family_rcv_msg_doit+0x228/0x320 [ 53.926202][ T3634] genl_rcv_msg+0x445/0x780 [ 53.932254][ T3634] netlink_rcv_skb+0x157/0x430 [ 53.938566][ T3634] genl_rcv+0x28/0x40 [ 53.944098][ T3634] netlink_unicast+0x547/0x7f0 [ 53.950409][ T3634] netlink_sendmsg+0x91b/0xe10 [ 53.956720][ T3634] sock_sendmsg+0xd3/0x120 [ 53.962698][ T3634] ____sys_sendmsg+0x712/0x8c0 [ 53.969018][ T3634] ___sys_sendmsg+0x110/0x1b0 [ 53.975243][ T3634] __sys_sendmsg+0xf7/0x1c0 [ 53.981383][ T3634] do_syscall_64+0x39/0xb0 [ 53.987355][ T3634] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 53.994800][ T3634] INITIAL READ USE at: [ 53.999111][ T3634] lock_acquire+0x1e3/0x630 [ 54.005604][ T3634] _raw_read_lock_bh+0x3f/0x70 [ 54.012353][ T3634] sock_i_uid+0x1f/0xb0 [ 54.018491][ T3634] udp_lib_lport_inuse+0x32/0x490 [ 54.025502][ T3634] udp_lib_get_port+0x835/0x18c0 [ 54.032434][ T3634] __inet_bind+0x831/0xc90 [ 54.038838][ T3634] inet_bind+0x177/0x220 [ 54.045062][ T3634] udp_sock_create4+0x1d1/0x490 [ 54.051901][ T3634] rxe_setup_udp_tunnel.constprop.0+0xfc/0x220 [ 54.060044][ T3634] rxe_net_init+0x1f/0xd0 [ 54.066358][ T3634] rxe_module_init+0x10/0x49 [ 54.072937][ T3634] do_one_initcall+0x141/0x780 [ 54.079689][ T3634] kernel_init_freeable+0x6ff/0x788 [ 54.086878][ T3634] kernel_init+0x1e/0x1d0 [ 54.093189][ T3634] ret_from_fork+0x1f/0x30 [ 54.099593][ T3634] } [ 54.102076][ T3634] ... key at: [] af_kern_callback_keys+0x20/0x300 [ 54.110582][ T3634] ... acquired at: [ 54.114367][ T3634] lock_acquire+0x1e3/0x630 [ 54.119036][ T3634] _raw_read_lock_bh+0x3f/0x70 [ 54.123963][ T3634] sock_i_uid+0x1f/0xb0 [ 54.128289][ T3634] inet_bhash2_addr_any_conflict+0x2d/0x460 [ 54.134351][ T3634] inet_csk_get_port+0x1cb2/0x2640 [ 54.139630][ T3634] __inet_bind+0x831/0xc90 [ 54.144206][ T3634] inet_bind+0x177/0x220 [ 54.148608][ T3634] smc_bind+0x2e6/0x390 [ 54.152926][ T3634] __sys_bind+0x1ed/0x260 [ 54.157410][ T3634] __x64_sys_bind+0x73/0xb0 [ 54.162070][ T3634] do_syscall_64+0x39/0xb0 [ 54.166651][ T3634] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 54.172710][ T3634] [ 54.175020][ T3634] [ 54.175020][ T3634] stack backtrace: [ 54.180897][ T3634] CPU: 0 PID: 3634 Comm: syz-executor291 Not tainted 6.1.0-rc5-syzkaller-00105-g11b64a466c95 #0 [ 54.191289][ T3634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 54.201327][ T3634] Call Trace: [ 54.204594][ T3634] [ 54.207512][ T3634] dump_stack_lvl+0xd1/0x138 [ 54.212097][ T3634] check_irq_usage.cold+0x4e4/0x761 [ 54.217292][ T3634] ? print_shortest_lock_dependencies_backwards+0x80/0x80 [ 54.224400][ T3634] ? check_path.constprop.0+0x24/0x50 [ 54.229772][ T3634] ? register_lock_class+0xbe/0x1120 [ 54.235056][ T3634] ? lockdep_hardirqs_on+0x7d/0x100 [ 54.240327][ T3634] ? __stack_depot_save+0x264/0x560 [ 54.245517][ T3634] __lock_acquire+0x2a5b/0x56d0 [ 54.250378][ T3634] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 54.256372][ T3634] lock_acquire+0x1e3/0x630 [ 54.260878][ T3634] ? sock_i_uid+0x1f/0xb0 [ 54.265202][ T3634] ? lock_release+0x810/0x810 [ 54.269881][ T3634] _raw_read_lock_bh+0x3f/0x70 [ 54.274638][ T3634] ? sock_i_uid+0x1f/0xb0 [ 54.278960][ T3634] sock_i_uid+0x1f/0xb0 [ 54.283105][ T3634] inet_bhash2_addr_any_conflict+0x2d/0x460 [ 54.288996][ T3634] inet_csk_get_port+0x1cb2/0x2640 [ 54.294108][ T3634] ? __inet_bind+0x8c3/0xc90 [ 54.298689][ T3634] ? inet_csk_update_fastreuse+0xb30/0xb30 [ 54.304489][ T3634] ? mark_held_locks+0x9f/0xe0 [ 54.309255][ T3634] ? __local_bh_enable_ip+0xa4/0x130 [ 54.314539][ T3634] __inet_bind+0x831/0xc90 [ 54.318953][ T3634] inet_bind+0x177/0x220 [ 54.323184][ T3634] ? __inet_bind+0xc90/0xc90 [ 54.327766][ T3634] ? __local_bh_enable_ip+0xa4/0x130 [ 54.333037][ T3634] smc_bind+0x2e6/0x390 [ 54.337199][ T3634] __sys_bind+0x1ed/0x260 [ 54.341514][ T3634] ? __ia32_sys_socketpair+0x100/0x100 [ 54.346960][ T3634] ? _raw_spin_unlock_irq+0x23/0x50 [ 54.352150][ T3634] ? lockdep_hardirqs_on+0x7d/0x100 [ 54.357335][ T3634] ? _raw_spin_unlock_irq+0x2e/0x50 [ 54.362524][ T3634] __x64_sys_bind+0x73/0xb0 [ 54.367014][ T3634] do_syscall_64+0x39/0xb0 [ 54.371423][ T3634] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 54.377308][ T3634] RIP: 0033:0x7efddc917c09 bind(4, {sa_family=AF_INET, sin_port=htons(20004), sin_addr=inet_addr("224.0.0.1")}, 16) = 0 exit_group(0) = ? +++ exited with 0 +++ [ 54.381710][ T3634] Code: 28 c3 e8 5a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 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