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===================================================== WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected 6.1.0-rc5-syzkaller-00103-g81ac25651a62 #0 Not tainted ----------------------------------------------------- syz-executor649/3635 [HC0[0]:SC0[4]:HE1:SE0] is trying to acquire: ffff888079771bb8 (k-clock-AF_INET){+++.}-{2:2}, at: sock_orphan include/net/sock.h:2090 [inline] ffff888079771bb8 (k-clock-AF_INET){+++.}-{2:2}, at: __mptcp_close+0x349/0x8d0 net/mptcp/protocol.c:2943 and this task is already holding: ffff8880797718b0 (k-slock-AF_INET){+.-.}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:355 [inline] ffff8880797718b0 (k-slock-AF_INET){+.-.}-{2:2}, at: __lock_sock_fast+0x40/0xe0 net/core/sock.c:3480 which would create a new lock dependency: (k-slock-AF_INET){+.-.}-{2:2} -> (k-clock-AF_INET){+++.}-{2:2} but this new dependency connects a SOFTIRQ-irq-safe lock: (k-slock-AF_INET){+.-.}-{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] dccp_v4_ctl_send_reset+0xb00/0x12f0 net/dccp/ipv4.c:569 dccp_v4_rcv+0x1283/0x18e0 net/dccp/ipv4.c:924 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:455 [inline] ip_rcv_finish+0x1cf/0x2f0 net/ipv4/ip_input.c:444 NF_HOOK include/linux/netfilter.h:302 [inline] NF_HOOK include/linux/netfilter.h:296 [inline] ip_rcv+0xae/0xd0 net/ipv4/ip_input.c:564 __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:5489 __netif_receive_skb+0x1f/0x1c0 net/core/dev.c:5603 process_backlog+0x3e4/0x810 net/core/dev.c:5931 __napi_poll+0xb8/0x770 net/core/dev.c:6498 napi_poll net/core/dev.c:6565 [inline] net_rx_action+0xa00/0xde0 net/core/dev.c:6676 __do_softirq+0x1fb/0xadc kernel/softirq.c:571 do_softirq.part.0+0xde/0x130 kernel/softirq.c:472 do_softirq kernel/softirq.c:464 [inline] __local_bh_enable_ip+0x106/0x130 kernel/softirq.c:396 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:808 [inline] ip_finish_output2+0x7dc/0x2180 net/ipv4/ip_output.c:229 __ip_finish_output net/ipv4/ip_output.c:306 [inline] __ip_finish_output+0x396/0x650 net/ipv4/ip_output.c:288 ip_finish_output+0x31/0x280 net/ipv4/ip_output.c:316 NF_HOOK_COND include/linux/netfilter.h:291 [inline] ip_output+0x1a3/0x320 net/ipv4/ip_output.c:430 dst_output include/net/dst.h:445 [inline] ip_local_out net/ipv4/ip_output.c:126 [inline] __ip_queue_xmit+0x8e2/0x1bf0 net/ipv4/ip_output.c:532 dccp_transmit_skb+0xcfe/0x1450 net/dccp/output.c:138 dccp_connect+0x39b/0x720 net/dccp/output.c:569 dccp_v4_connect+0x1098/0x2010 net/dccp/ipv4.c:149 __inet_stream_connect+0x69e/0xed0 net/ipv4/af_inet.c:665 inet_stream_connect+0x57/0xa0 net/ipv4/af_inet.c:729 __sys_connect_file+0x153/0x1a0 net/socket.c:1976 __sys_connect+0x165/0x1a0 net/socket.c:1993 __do_sys_connect net/socket.c:2003 [inline] __se_sys_connect net/socket.c:2000 [inline] __x64_sys_connect+0x73/0xb0 net/socket.c:2000 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 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+0x228/0x320 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x445/0x780 net/netlink/genetlink.c:850 netlink_rcv_skb+0x157/0x430 net/netlink/af_netlink.c:2540 genl_rcv+0x28/0x40 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x91b/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xd3/0x120 net/socket.c:734 ____sys_sendmsg+0x712/0x8c0 net/socket.c:2482 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2536 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2565 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(k-slock-AF_INET); lock(k-clock-AF_INET); <Interrupt> lock(k-slock-AF_INET); *** DEADLOCK *** 4 locks held by syz-executor649/3635: #0: ffff8880726cac10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #0: ffff8880726cac10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x280 net/socket.c:649 #1: ffff888074120130 (sk_lock-AF_INET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1721 [inline] #1: ffff888074120130 (sk_lock-AF_INET){+.+.}-{0:0}, at: mptcp_close+0x1d/0x150 net/mptcp/protocol.c:2967 #2: ffff888079771930 (k-sk_lock-AF_INET/1){+.+.}-{0:0}, at: mptcp_close+0x28/0x150 net/mptcp/protocol.c:2969 #3: ffff8880797718b0 (k-slock-AF_INET){+.-.}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:355 [inline] #3: ffff8880797718b0 (k-slock-AF_INET){+.-.}-{2:2}, at: __lock_sock_fast+0x40/0xe0 net/core/sock.c:3480 the dependencies between SOFTIRQ-irq-safe lock and the holding lock: -> (k-slock-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_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x33/0x40 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:355 [inline] lock_sock_nested+0x5f/0xf0 net/core/sock.c:3450 lock_sock include/net/sock.h:1721 [inline] __inet_bind+0x8c3/0xc90 net/ipv4/af_inet.c:511 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 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] dccp_v4_ctl_send_reset+0xb00/0x12f0 net/dccp/ipv4.c:569 dccp_v4_rcv+0x1283/0x18e0 net/dccp/ipv4.c:924 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:455 [inline] ip_rcv_finish+0x1cf/0x2f0 net/ipv4/ip_input.c:444 NF_HOOK include/linux/netfilter.h:302 [inline] NF_HOOK include/linux/netfilter.h:296 [inline] ip_rcv+0xae/0xd0 net/ipv4/ip_input.c:564 __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:5489 __netif_receive_skb+0x1f/0x1c0 net/core/dev.c:5603 process_backlog+0x3e4/0x810 net/core/dev.c:5931 __napi_poll+0xb8/0x770 net/core/dev.c:6498 napi_poll net/core/dev.c:6565 [inline] net_rx_action+0xa00/0xde0 net/core/dev.c:6676 __do_softirq+0x1fb/0xadc kernel/softirq.c:571 do_softirq.part.0+0xde/0x130 kernel/softirq.c:472 do_softirq kernel/softirq.c:464 [inline] __local_bh_enable_ip+0x106/0x130 kernel/softirq.c:396 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:808 [inline] ip_finish_output2+0x7dc/0x2180 net/ipv4/ip_output.c:229 __ip_finish_output net/ipv4/ip_output.c:306 [inline] __ip_finish_output+0x396/0x650 net/ipv4/ip_output.c:288 ip_finish_output+0x31/0x280 net/ipv4/ip_output.c:316 NF_HOOK_COND include/linux/netfilter.h:291 [inline] ip_output+0x1a3/0x320 net/ipv4/ip_output.c:430 dst_output include/net/dst.h:445 [inline] ip_local_out net/ipv4/ip_output.c:126 [inline] __ip_queue_xmit+0x8e2/0x1bf0 net/ipv4/ip_output.c:532 dccp_transmit_skb+0xcfe/0x1450 net/dccp/output.c:138 dccp_connect+0x39b/0x720 net/dccp/output.c:569 dccp_v4_connect+0x1098/0x2010 net/dccp/ipv4.c:149 __inet_stream_connect+0x69e/0xed0 net/ipv4/af_inet.c:665 inet_stream_connect+0x57/0xa0 net/ipv4/af_inet.c:729 __sys_connect_file+0x153/0x1a0 net/socket.c:1976 __sys_connect+0x165/0x1a0 net/socket.c:1993 __do_sys_connect net/socket.c:2003 [inline] __se_sys_connect net/socket.c:2000 [inline] __x64_sys_connect+0x73/0xb0 net/socket.c:2000 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_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x33/0x40 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:355 [inline] lock_sock_nested+0x5f/0xf0 net/core/sock.c:3450 lock_sock include/net/sock.h:1721 [inline] __inet_bind+0x8c3/0xc90 net/ipv4/af_inet.c:511 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: [<ffffffff91d5cd20>] af_family_kern_slock_keys+0x20/0x300 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 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+0x228/0x320 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x445/0x780 net/netlink/genetlink.c:850 netlink_rcv_skb+0x157/0x430 net/netlink/af_netlink.c:2540 genl_rcv+0x28/0x40 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x91b/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xd3/0x120 net/socket.c:734 ____sys_sendmsg+0x712/0x8c0 net/socket.c:2482 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2536 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2565 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 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:2542 udp_lib_lport_inuse+0x32/0x490 net/ipv4/udp.c:140 udp_lib_get_port+0x835/0x18c0 net/ipv4/udp.c:306 __inet_bind+0x831/0xc90 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+0x228/0x320 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x445/0x780 net/netlink/genetlink.c:850 netlink_rcv_skb+0x157/0x430 net/netlink/af_netlink.c:2540 genl_rcv+0x28/0x40 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x91b/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xd3/0x120 net/socket.c:734 ____sys_sendmsg+0x712/0x8c0 net/socket.c:2482 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2536 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2565 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 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+0x228/0x320 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x445/0x780 net/netlink/genetlink.c:850 netlink_rcv_skb+0x157/0x430 net/netlink/af_netlink.c:2540 genl_rcv+0x28/0x40 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x91b/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xd3/0x120 net/socket.c:734 ____sys_sendmsg+0x712/0x8c0 net/socket.c:2482 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2536 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2565 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 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:2542 udp_lib_lport_inuse+0x32/0x490 net/ipv4/udp.c:140 udp_lib_get_port+0x835/0x18c0 net/ipv4/udp.c:306 __inet_bind+0x831/0xc90 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: [<ffffffff91d5be20>] 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_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] __mptcp_close+0x349/0x8d0 net/mptcp/protocol.c:2943 mptcp_close+0x28/0x150 net/mptcp/protocol.c:2969 inet_release+0x132/0x270 net/ipv4/af_inet.c:428 __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 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xb3d/0x2a30 kernel/exit.c:820 do_group_exit+0xd4/0x2a0 kernel/exit.c:950 __do_sys_exit_group kernel/exit.c:961 [inline] __se_sys_exit_group kernel/exit.c:959 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:959 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: 0 PID: 3635 Comm: syz-executor649 Not tainted 6.1.0-rc5-syzkaller-00103-g81ac25651a62 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: <TASK> __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_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] __mptcp_close+0x349/0x8d0 net/mptcp/protocol.c:2943 mptcp_close+0x28/0x150 net/mptcp/protocol.c:2969 inet_release+0x132/0x270 net/ipv4/af_inet.c:428 __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 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xb3d/0x2a30 kernel/exit.c:820 do_group_exit+0xd4/0x2a0 kernel/exit.c:950 __do_sys_exit_group kernel/exit.c:961 [inline] __se_sys_exit_group kernel/exit.c:959 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:959 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: 0033:0x7fe6a8b9f199 Code: Unable to access opcode bytes at 0x7fe6a8b9f16f. RSP: 002b:00007ffd14689b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fe6a8c1a410 RCX: 00007fe6a
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2022/11/18 13:26 | upstream | 81ac25651a62 | 4ba8ab94 | .config | strace log | report | syz | C | ci-upstream-kasan-gce | possible deadlock in dccp_v4_ctl_send_reset | ||
2022/11/17 22:56 | net-old | 58e0be1ef611 | 4ba8ab94 | .config | strace log | report | syz | C | ci-upstream-net-this-kasan-gce | possible deadlock in dccp_v4_ctl_send_reset | ||
2022/11/25 03:48 | upstream | c3eb11fbb826 | 62e26685 | .config | console log | report | info | ci-upstream-kasan-gce-smack-root | possible deadlock in dccp_v4_ctl_send_reset | |||
2022/11/24 23:17 | upstream | c3eb11fbb826 | 62e26685 | .config | console log | report | info | ci-upstream-kasan-gce | possible deadlock in dccp_v4_ctl_send_reset | |||
2022/11/24 00:28 | upstream | 4312098baf37 | 12c66417 | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | possible deadlock in dccp_v4_ctl_send_reset | |||
2022/11/23 20:29 | upstream | 4312098baf37 | 12c66417 | .config | console log | report | info | ci-upstream-kasan-gce | possible deadlock in dccp_v4_ctl_send_reset | |||
2022/11/23 15:25 | upstream | eb7081409f94 | 75740b3f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | possible deadlock in dccp_v4_ctl_send_reset | ||
2022/11/23 12:34 | upstream | eb7081409f94 | 75740b3f | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | possible deadlock in dccp_v4_ctl_send_reset | |||
2022/11/22 08:40 | upstream | eb7081409f94 | 1c576c23 | .config | console log | report | info | ci-upstream-kasan-gce | possible deadlock in dccp_v4_ctl_send_reset | |||
2022/11/21 20:55 | upstream | eb7081409f94 | 1c576c23 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-selinux-root | possible deadlock in dccp_v4_ctl_send_reset | ||
2022/11/21 13:27 | upstream | 77c51ba552a1 | 5bb70014 | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | possible deadlock in dccp_v4_ctl_send_reset | |||
2022/11/21 09:39 | upstream | 77c51ba552a1 | 5bb70014 | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | possible deadlock in dccp_v4_ctl_send_reset | |||
2022/11/21 03:49 | upstream | 894909f95aa1 | 5bb70014 | .config | console log | report | info | ci-upstream-kasan-gce | possible deadlock in dccp_v4_ctl_send_reset | |||
2022/11/20 18:08 | upstream | 77c51ba552a1 | 5bb70014 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | possible deadlock in dccp_v4_ctl_send_reset | ||
2022/11/20 10:04 | upstream | 77c51ba552a1 | 5bb70014 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | possible deadlock in dccp_v4_ctl_send_reset | ||
2022/11/19 03:46 | upstream | 84368d882b96 | 5bb70014 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | possible deadlock in dccp_v4_ctl_send_reset | ||
2022/11/18 07:59 | upstream | 81ac25651a62 | 4ba8ab94 | .config | console log | report | info | ci-upstream-kasan-gce | possible deadlock in dccp_v4_ctl_send_reset | |||
2022/11/21 16:51 | net-old | 9ab000d9ac54 | 1c576c23 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | possible deadlock in dccp_v4_ctl_send_reset | ||
2022/11/20 08:47 | net-old | 2360f9b8c4e8 | 5bb70014 | .config | console log | report | info | ci-upstream-net-this-kasan-gce | possible deadlock in dccp_v4_ctl_send_reset | |||
2022/11/18 23:39 | net-old | 11b64a466c95 | 5bb70014 | .config | console log | report | info | ci-upstream-net-this-kasan-gce | possible deadlock in dccp_v4_ctl_send_reset | |||
2022/11/17 19:58 | net-old | 58e0be1ef611 | 4ba8ab94 | .config | console log | report | info | ci-upstream-net-this-kasan-gce | possible deadlock in dccp_v4_ctl_send_reset | |||
2022/11/26 04:48 | net-next-old | a6e3d86ece0b | 74a66371 | .config | console log | report | info | ci-upstream-net-kasan-gce | possible deadlock in dccp_v4_ctl_send_reset | |||
2022/11/29 14:15 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 6d464646530f | 05dc7993 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | possible deadlock in dccp_v4_ctl_send_reset | ||
2022/11/29 07:49 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 6d464646530f | ca9683b8 | .config | console log | report | info | ci-upstream-gce-arm64 | possible deadlock in dccp_v4_ctl_send_reset | |||
2022/11/26 07:23 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 6d464646530f | 74a66371 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | possible deadlock in dccp_v4_ctl_send_reset | ||
2022/11/22 18:55 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 65762d97e6fa | 9da37ae8 | .config | console log | report | info | ci-upstream-gce-arm64 | possible deadlock in dccp_v4_ctl_send_reset |