===================================================== WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected 6.1.0-rc5-syzkaller-01477-g7a168f560e3c #0 Not tainted ----------------------------------------------------- syz-executor.2/21805 [HC0[0]:SC0[4]:HE1:SE0] is trying to acquire: ffff88807d6834b8 (k-clock-AF_INET){+++.}-{2:2}, at: sock_i_uid+0x1f/0xb0 net/core/sock.c:2556 and this task is already holding: ffffc90001ab09c0 (&tcp_hashinfo.bhash2[i].lock){+.-.}-{2:2}, at: spin_lock include/linux/spinlock.h:350 [inline] ffffc90001ab09c0 (&tcp_hashinfo.bhash2[i].lock){+.-.}-{2:2}, at: inet_csk_find_open_port net/ipv4/inet_connection_sock.c:339 [inline] ffffc90001ab09c0 (&tcp_hashinfo.bhash2[i].lock){+.-.}-{2:2}, at: inet_csk_get_port+0xf0d/0x2660 net/ipv4/inet_connection_sock.c:484 which would create a new lock dependency: (&tcp_hashinfo.bhash2[i].lock){+.-.}-{2:2} -> (k-clock-AF_INET){+++.}-{2:2} but this new dependency connects a SOFTIRQ-irq-safe lock: (&tcp_hashinfo.bhash2[i].lock){+.-.}-{2:2} ... which became SOFTIRQ-irq-safe at: lock_acquire kernel/locking/lockdep.c:5668 [inline] lock_acquire+0x1e3/0x630 kernel/locking/lockdep.c:5633 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:350 [inline] __inet_inherit_port+0x29f/0x14e0 net/ipv4/inet_hashtables.c:230 tcp_v4_syn_recv_sock+0xb5b/0x14c0 net/ipv4/tcp_ipv4.c:1588 tcp_check_req+0x632/0x1aa0 net/ipv4/tcp_minisocks.c:786 tcp_v4_rcv+0x24b5/0x3980 net/ipv4/tcp_ipv4.c:2030 ip_protocol_deliver_rcu+0x9f/0x7c0 net/ipv4/ip_input.c:205 ip_local_deliver_finish+0x2ec/0x4c0 net/ipv4/ip_input.c:233 NF_HOOK include/linux/netfilter.h:302 [inline] NF_HOOK include/linux/netfilter.h:296 [inline] ip_local_deliver+0x1ae/0x200 net/ipv4/ip_input.c:254 dst_input include/net/dst.h:454 [inline] ip_sublist_rcv_finish+0x9a/0x2c0 net/ipv4/ip_input.c:575 ip_list_rcv_finish net/ipv4/ip_input.c:625 [inline] ip_sublist_rcv+0x533/0x980 net/ipv4/ip_input.c:633 ip_list_rcv+0x31e/0x470 net/ipv4/ip_input.c:668 __netif_receive_skb_list_ptype net/core/dev.c:5525 [inline] __netif_receive_skb_list_core+0x548/0x8f0 net/core/dev.c:5573 __netif_receive_skb_list net/core/dev.c:5625 [inline] netif_receive_skb_list_internal+0x75f/0xd90 net/core/dev.c:5716 gro_normal_list include/net/gro.h:433 [inline] gro_normal_list include/net/gro.h:429 [inline] napi_complete_done+0x243/0x960 net/core/dev.c:6056 virtqueue_napi_complete drivers/net/virtio_net.c:401 [inline] virtnet_poll+0xd08/0x1300 drivers/net/virtio_net.c:1678 __napi_poll+0xb8/0x770 net/core/dev.c:6485 napi_poll net/core/dev.c:6552 [inline] net_rx_action+0xa00/0xde0 net/core/dev.c:6663 __do_softirq+0x1fb/0xadc kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 irq_exit_rcu+0x9/0x20 kernel/softirq.c:662 common_interrupt+0xad/0xd0 arch/x86/kernel/irq.c:240 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:640 native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] acpi_safe_halt drivers/acpi/processor_idle.c:112 [inline] acpi_idle_do_entry+0x1fd/0x2a0 drivers/acpi/processor_idle.c:572 acpi_idle_enter+0x368/0x510 drivers/acpi/processor_idle.c:709 cpuidle_enter_state+0x1af/0xd40 drivers/cpuidle/cpuidle.c:239 cpuidle_enter+0x4e/0xa0 drivers/cpuidle/cpuidle.c:356 call_cpuidle kernel/sched/idle.c:155 [inline] cpuidle_idle_call kernel/sched/idle.c:236 [inline] do_idle+0x3f7/0x590 kernel/sched/idle.c:303 cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:400 rest_init+0x16d/0x270 init/main.c:729 arch_call_rest_init+0x13/0x1c init/main.c:890 start_kernel+0x477/0x498 init/main.c:1145 secondary_startup_64_no_verify+0xce/0xdb to a SOFTIRQ-irq-unsafe lock: (k-clock-AF_INET){+++.}-{2:2} ... which became SOFTIRQ-irq-unsafe at: ... lock_acquire kernel/locking/lockdep.c:5668 [inline] lock_acquire+0x1e3/0x630 kernel/locking/lockdep.c:5633 __raw_write_lock include/linux/rwlock_api_smp.h:209 [inline] _raw_write_lock+0x2e/0x40 kernel/locking/spinlock.c:300 l2tp_tunnel_register+0x126/0x1210 net/l2tp/l2tp_core.c:1477 l2tp_nl_cmd_tunnel_create+0x3d6/0x8b0 net/l2tp/l2tp_netlink.c:245 genl_family_rcv_msg_doit.isra.0+0x1e6/0x2d0 net/netlink/genetlink.c:968 genl_family_rcv_msg net/netlink/genetlink.c:1048 [inline] genl_rcv_msg+0x4ff/0x7e0 net/netlink/genetlink.c:1065 netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2564 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1076 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline] netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1356 netlink_sendmsg+0x91b/0xe10 net/netlink/af_netlink.c:1932 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xd3/0x120 net/socket.c:734 ____sys_sendmsg+0x712/0x8c0 net/socket.c:2476 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2530 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2559 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd other info that might help us debug this: Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(k-clock-AF_INET); local_irq_disable(); lock(&tcp_hashinfo.bhash2[i].lock); lock(k-clock-AF_INET); lock(&tcp_hashinfo.bhash2[i].lock); *** DEADLOCK *** 4 locks held by syz-executor.2/21805: #0: ffff88807b14b970 (sk_lock-AF_SMC){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1721 [inline] #0: ffff88807b14b970 (sk_lock-AF_SMC){+.+.}-{0:0}, at: smc_listen+0x4e/0xbb0 net/smc/af_smc.c:2499 #1: ffff88807d683230 (k-sk_lock-AF_INET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1721 [inline] #1: ffff88807d683230 (k-sk_lock-AF_INET){+.+.}-{0:0}, at: inet_listen+0x93/0x640 net/ipv4/af_inet.c:199 #2: ffffc900016e5470 (&tcp_hashinfo.bhash[i].lock){+.-.}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:355 [inline] #2: ffffc900016e5470 (&tcp_hashinfo.bhash[i].lock){+.-.}-{2:2}, at: inet_csk_find_open_port net/ipv4/inet_connection_sock.c:332 [inline] #2: ffffc900016e5470 (&tcp_hashinfo.bhash[i].lock){+.-.}-{2:2}, at: inet_csk_get_port+0xca9/0x2660 net/ipv4/inet_connection_sock.c:484 #3: ffffc90001ab09c0 (&tcp_hashinfo.bhash2[i].lock){+.-.}-{2:2}, at: spin_lock include/linux/spinlock.h:350 [inline] #3: ffffc90001ab09c0 (&tcp_hashinfo.bhash2[i].lock){+.-.}-{2:2}, at: inet_csk_find_open_port net/ipv4/inet_connection_sock.c:339 [inline] #3: ffffc90001ab09c0 (&tcp_hashinfo.bhash2[i].lock){+.-.}-{2:2}, at: inet_csk_get_port+0xf0d/0x2660 net/ipv4/inet_connection_sock.c:484 the dependencies between SOFTIRQ-irq-safe lock and the holding lock: -> (&tcp_hashinfo.bhash2[i].lock){+.-.}-{2:2} { HARDIRQ-ON-W at: lock_acquire kernel/locking/lockdep.c:5668 [inline] lock_acquire+0x1e3/0x630 kernel/locking/lockdep.c:5633 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:350 [inline] inet_csk_get_port+0xb20/0x2660 net/ipv4/inet_connection_sock.c:524 __inet6_bind+0x625/0x1b20 net/ipv6/af_inet6.c:413 inet6_bind+0x177/0x220 net/ipv6/af_inet6.c:472 rds_tcp_listen_init+0x2a9/0x4e0 net/rds/tcp_listen.c:307 rds_tcp_init_net+0x21d/0x4f0 net/rds/tcp.c:576 ops_init+0xb9/0x680 net/core/net_namespace.c:135 __register_pernet_operations net/core/net_namespace.c:1158 [inline] register_pernet_operations+0x35a/0x850 net/core/net_namespace.c:1227 register_pernet_device+0x2a/0x80 net/core/net_namespace.c:1314 rds_tcp_init+0x65/0xd3 net/rds/tcp.c:734 do_one_initcall+0x141/0x780 init/main.c:1303 do_initcall_level init/main.c:1376 [inline] do_initcalls init/main.c:1392 [inline] do_basic_setup init/main.c:1411 [inline] kernel_init_freeable+0x6ff/0x788 init/main.c:1631 kernel_init+0x1e/0x1d0 init/main.c:1519 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 IN-SOFTIRQ-W at: lock_acquire kernel/locking/lockdep.c:5668 [inline] lock_acquire+0x1e3/0x630 kernel/locking/lockdep.c:5633 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:350 [inline] __inet_inherit_port+0x29f/0x14e0 net/ipv4/inet_hashtables.c:230 tcp_v4_syn_recv_sock+0xb5b/0x14c0 net/ipv4/tcp_ipv4.c:1588 tcp_check_req+0x632/0x1aa0 net/ipv4/tcp_minisocks.c:786 tcp_v4_rcv+0x24b5/0x3980 net/ipv4/tcp_ipv4.c:2030 ip_protocol_deliver_rcu+0x9f/0x7c0 net/ipv4/ip_input.c:205 ip_local_deliver_finish+0x2ec/0x4c0 net/ipv4/ip_input.c:233 NF_HOOK include/linux/netfilter.h:302 [inline] NF_HOOK include/linux/netfilter.h:296 [inline] ip_local_deliver+0x1ae/0x200 net/ipv4/ip_input.c:254 dst_input include/net/dst.h:454 [inline] ip_sublist_rcv_finish+0x9a/0x2c0 net/ipv4/ip_input.c:575 ip_list_rcv_finish net/ipv4/ip_input.c:625 [inline] ip_sublist_rcv+0x533/0x980 net/ipv4/ip_input.c:633 ip_list_rcv+0x31e/0x470 net/ipv4/ip_input.c:668 __netif_receive_skb_list_ptype net/core/dev.c:5525 [inline] __netif_receive_skb_list_core+0x548/0x8f0 net/core/dev.c:5573 __netif_receive_skb_list net/core/dev.c:5625 [inline] netif_receive_skb_list_internal+0x75f/0xd90 net/core/dev.c:5716 gro_normal_list include/net/gro.h:433 [inline] gro_normal_list include/net/gro.h:429 [inline] napi_complete_done+0x243/0x960 net/core/dev.c:6056 virtqueue_napi_complete drivers/net/virtio_net.c:401 [inline] virtnet_poll+0xd08/0x1300 drivers/net/virtio_net.c:1678 __napi_poll+0xb8/0x770 net/core/dev.c:6485 napi_poll net/core/dev.c:6552 [inline] net_rx_action+0xa00/0xde0 net/core/dev.c:6663 __do_softirq+0x1fb/0xadc kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 irq_exit_rcu+0x9/0x20 kernel/softirq.c:662 common_interrupt+0xad/0xd0 arch/x86/kernel/irq.c:240 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:640 native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] acpi_safe_halt drivers/acpi/processor_idle.c:112 [inline] acpi_idle_do_entry+0x1fd/0x2a0 drivers/acpi/processor_idle.c:572 acpi_idle_enter+0x368/0x510 drivers/acpi/processor_idle.c:709 cpuidle_enter_state+0x1af/0xd40 drivers/cpuidle/cpuidle.c:239 cpuidle_enter+0x4e/0xa0 drivers/cpuidle/cpuidle.c:356 call_cpuidle kernel/sched/idle.c:155 [inline] cpuidle_idle_call kernel/sched/idle.c:236 [inline] do_idle+0x3f7/0x590 kernel/sched/idle.c:303 cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:400 rest_init+0x16d/0x270 init/main.c:729 arch_call_rest_init+0x13/0x1c init/main.c:890 start_kernel+0x477/0x498 init/main.c:1145 secondary_startup_64_no_verify+0xce/0xdb INITIAL USE at: lock_acquire kernel/locking/lockdep.c:5668 [inline] lock_acquire+0x1e3/0x630 kernel/locking/lockdep.c:5633 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:350 [inline] inet_csk_get_port+0xb20/0x2660 net/ipv4/inet_connection_sock.c:524 __inet6_bind+0x625/0x1b20 net/ipv6/af_inet6.c:413 inet6_bind+0x177/0x220 net/ipv6/af_inet6.c:472 rds_tcp_listen_init+0x2a9/0x4e0 net/rds/tcp_listen.c:307 rds_tcp_init_net+0x21d/0x4f0 net/rds/tcp.c:576 ops_init+0xb9/0x680 net/core/net_namespace.c:135 __register_pernet_operations net/core/net_namespace.c:1158 [inline] register_pernet_operations+0x35a/0x850 net/core/net_namespace.c:1227 register_pernet_device+0x2a/0x80 net/core/net_namespace.c:1314 rds_tcp_init+0x65/0xd3 net/rds/tcp.c:734 do_one_initcall+0x141/0x780 init/main.c:1303 do_initcall_level init/main.c:1376 [inline] do_initcalls init/main.c:1392 [inline] do_basic_setup init/main.c:1411 [inline] kernel_init_freeable+0x6ff/0x788 init/main.c:1631 kernel_init+0x1e/0x1d0 init/main.c:1519 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 } ... key at: [] __key.0+0x0/0x40 the dependencies between the lock to be acquired and SOFTIRQ-irq-unsafe lock: -> (k-clock-AF_INET){+++.}-{2:2} { HARDIRQ-ON-W at: lock_acquire kernel/locking/lockdep.c:5668 [inline] lock_acquire+0x1e3/0x630 kernel/locking/lockdep.c:5633 __raw_write_lock_bh include/linux/rwlock_api_smp.h:202 [inline] _raw_write_lock_bh+0x33/0x40 kernel/locking/spinlock.c:334 sock_orphan include/net/sock.h:2090 [inline] __tcp_close+0x43b/0xf50 net/ipv4/tcp.c:2951 tcp_close+0x2d/0xc0 net/ipv4/tcp.c:3032 inet_release+0x132/0x270 net/ipv4/af_inet.c:428 __sock_release net/socket.c:650 [inline] sock_release+0x8b/0x1b0 net/socket.c:678 smc_clcsock_release+0xb7/0xe0 net/smc/smc_close.c:34 __smc_release+0x5b9/0x890 net/smc/af_smc.c:300 smc_release+0x203/0x630 net/smc/af_smc.c:343 __sock_release+0xcd/0x280 net/socket.c:650 sock_close+0x1c/0x20 net/socket.c:1365 __fput+0x27c/0xa90 fs/file_table.c:320 task_work_run+0x16f/0x270 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296 do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd HARDIRQ-ON-R at: lock_acquire kernel/locking/lockdep.c:5668 [inline] lock_acquire+0x1e3/0x630 kernel/locking/lockdep.c:5633 __raw_read_lock_bh include/linux/rwlock_api_smp.h:176 [inline] _raw_read_lock_bh+0x3f/0x70 kernel/locking/spinlock.c:252 sock_i_uid+0x1f/0xb0 net/core/sock.c:2556 udp_lib_lport_inuse+0x32/0x490 net/ipv4/udp.c:145 udp_lib_get_port+0x848/0x1920 net/ipv4/udp.c:311 __inet_bind+0x82c/0xc80 net/ipv4/af_inet.c:525 inet_bind+0x177/0x220 net/ipv4/af_inet.c:456 udp_sock_create4+0x1d1/0x490 net/ipv4/udp_tunnel_core.c:30 udp_sock_create include/net/udp_tunnel.h:59 [inline] rxe_setup_udp_tunnel.constprop.0+0xfc/0x220 drivers/infiniband/sw/rxe/rxe_net.c:186 rxe_net_ipv4_init drivers/infiniband/sw/rxe/rxe_net.c:622 [inline] rxe_net_init+0x1f/0xd0 drivers/infiniband/sw/rxe/rxe_net.c:667 rxe_module_init+0x10/0x49 drivers/infiniband/sw/rxe/rxe.c:213 do_one_initcall+0x141/0x780 init/main.c:1303 do_initcall_level init/main.c:1376 [inline] do_initcalls init/main.c:1392 [inline] do_basic_setup init/main.c:1411 [inline] kernel_init_freeable+0x6ff/0x788 init/main.c:1631 kernel_init+0x1e/0x1d0 init/main.c:1519 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 SOFTIRQ-ON-W at: lock_acquire kernel/locking/lockdep.c:5668 [inline] lock_acquire+0x1e3/0x630 kernel/locking/lockdep.c:5633 __raw_write_lock include/linux/rwlock_api_smp.h:209 [inline] _raw_write_lock+0x2e/0x40 kernel/locking/spinlock.c:300 l2tp_tunnel_register+0x126/0x1210 net/l2tp/l2tp_core.c:1477 l2tp_nl_cmd_tunnel_create+0x3d6/0x8b0 net/l2tp/l2tp_netlink.c:245 genl_family_rcv_msg_doit.isra.0+0x1e6/0x2d0 net/netlink/genetlink.c:968 genl_family_rcv_msg net/netlink/genetlink.c:1048 [inline] genl_rcv_msg+0x4ff/0x7e0 net/netlink/genetlink.c:1065 netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2564 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1076 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline] netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1356 netlink_sendmsg+0x91b/0xe10 net/netlink/af_netlink.c:1932 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xd3/0x120 net/socket.c:734 ____sys_sendmsg+0x712/0x8c0 net/socket.c:2476 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2530 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2559 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd INITIAL USE at: lock_acquire kernel/locking/lockdep.c:5668 [inline] lock_acquire+0x1e3/0x630 kernel/locking/lockdep.c:5633 __raw_write_lock_bh include/linux/rwlock_api_smp.h:202 [inline] _raw_write_lock_bh+0x33/0x40 kernel/locking/spinlock.c:334 sock_orphan include/net/sock.h:2090 [inline] __tcp_close+0x43b/0xf50 net/ipv4/tcp.c:2951 tcp_close+0x2d/0xc0 net/ipv4/tcp.c:3032 inet_release+0x132/0x270 net/ipv4/af_inet.c:428 __sock_release net/socket.c:650 [inline] sock_release+0x8b/0x1b0 net/socket.c:678 smc_clcsock_release+0xb7/0xe0 net/smc/smc_close.c:34 __smc_release+0x5b9/0x890 net/smc/af_smc.c:300 smc_release+0x203/0x630 net/smc/af_smc.c:343 __sock_release+0xcd/0x280 net/socket.c:650 sock_close+0x1c/0x20 net/socket.c:1365 __fput+0x27c/0xa90 fs/file_table.c:320 task_work_run+0x16f/0x270 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296 do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd INITIAL READ USE at: lock_acquire kernel/locking/lockdep.c:5668 [inline] lock_acquire+0x1e3/0x630 kernel/locking/lockdep.c:5633 __raw_read_lock_bh include/linux/rwlock_api_smp.h:176 [inline] _raw_read_lock_bh+0x3f/0x70 kernel/locking/spinlock.c:252 sock_i_uid+0x1f/0xb0 net/core/sock.c:2556 udp_lib_lport_inuse+0x32/0x490 net/ipv4/udp.c:145 udp_lib_get_port+0x848/0x1920 net/ipv4/udp.c:311 __inet_bind+0x82c/0xc80 net/ipv4/af_inet.c:525 inet_bind+0x177/0x220 net/ipv4/af_inet.c:456 udp_sock_create4+0x1d1/0x490 net/ipv4/udp_tunnel_core.c:30 udp_sock_create include/net/udp_tunnel.h:59 [inline] rxe_setup_udp_tunnel.constprop.0+0xfc/0x220 drivers/infiniband/sw/rxe/rxe_net.c:186 rxe_net_ipv4_init drivers/infiniband/sw/rxe/rxe_net.c:622 [inline] rxe_net_init+0x1f/0xd0 drivers/infiniband/sw/rxe/rxe_net.c:667 rxe_module_init+0x10/0x49 drivers/infiniband/sw/rxe/rxe.c:213 do_one_initcall+0x141/0x780 init/main.c:1303 do_initcall_level init/main.c:1376 [inline] do_initcalls init/main.c:1392 [inline] do_basic_setup init/main.c:1411 [inline] kernel_init_freeable+0x6ff/0x788 init/main.c:1631 kernel_init+0x1e/0x1d0 init/main.c:1519 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 } ... key at: [] af_kern_callback_keys+0x20/0x300 ... acquired at: lock_acquire kernel/locking/lockdep.c:5668 [inline] lock_acquire+0x1e3/0x630 kernel/locking/lockdep.c:5633 __raw_read_lock_bh include/linux/rwlock_api_smp.h:176 [inline] _raw_read_lock_bh+0x3f/0x70 kernel/locking/spinlock.c:252 sock_i_uid+0x1f/0xb0 net/core/sock.c:2556 inet_csk_update_fastreuse+0x2d/0xb30 net/ipv4/inet_connection_sock.c:416 inet_csk_get_port+0xb85/0x2660 net/ipv4/inet_connection_sock.c:543 inet_csk_listen_start+0x149/0x3d0 net/ipv4/inet_connection_sock.c:1205 inet_listen+0x235/0x640 net/ipv4/af_inet.c:228 smc_listen+0x605/0xbb0 net/smc/af_smc.c:2539 __sys_listen+0x181/0x250 net/socket.c:1810 __do_sys_listen net/socket.c:1819 [inline] __se_sys_listen net/socket.c:1817 [inline] __x64_sys_listen+0x54/0x80 net/socket.c:1817 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd stack backtrace: CPU: 1 PID: 21805 Comm: syz-executor.2 Not tainted 6.1.0-rc5-syzkaller-01477-g7a168f560e3c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106 print_bad_irq_dependency kernel/locking/lockdep.c:2611 [inline] check_irq_usage.cold+0x4e4/0x761 kernel/locking/lockdep.c:2850 check_prev_add kernel/locking/lockdep.c:3101 [inline] check_prevs_add kernel/locking/lockdep.c:3216 [inline] validate_chain kernel/locking/lockdep.c:3831 [inline] __lock_acquire+0x2a5b/0x56d0 kernel/locking/lockdep.c:5055 lock_acquire kernel/locking/lockdep.c:5668 [inline] lock_acquire+0x1e3/0x630 kernel/locking/lockdep.c:5633 __raw_read_lock_bh include/linux/rwlock_api_smp.h:176 [inline] _raw_read_lock_bh+0x3f/0x70 kernel/locking/spinlock.c:252 sock_i_uid+0x1f/0xb0 net/core/sock.c:2556 inet_csk_update_fastreuse+0x2d/0xb30 net/ipv4/inet_connection_sock.c:416 inet_csk_get_port+0xb85/0x2660 net/ipv4/inet_connection_sock.c:543 inet_csk_listen_start+0x149/0x3d0 net/ipv4/inet_connection_sock.c:1205 inet_listen+0x235/0x640 net/ipv4/af_inet.c:228 smc_listen+0x605/0xbb0 net/smc/af_smc.c:2539 __sys_listen+0x181/0x250 net/socket.c:1810 __do_sys_listen net/socket.c:1819 [inline] __se_sys_listen net/socket.c:1817 [inline] __x64_sys_listen+0x54/0x80 net/socket.c:1817 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fa9ab48c0d9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa9ac1b2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000032 RAX: ffffffffffffffda RBX: 00007fa9ab5abf80 RCX: 00007fa9ab48c0d9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007fa9ab4e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcff33f41f R14: 00007fa9ac1b2300 R15: 0000000000022000