bond1: left promiscuous mode ===================================================== WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected syzkaller #0 Not tainted ----------------------------------------------------- syz.4.1782/12163 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire: ffff8880298b8e18 (&bond->stats_lock){+.+.}-{3:3}, at: bond_get_stats+0x3c1/0x6c0 drivers/net/bonding/bond_main.c:4603 and this task is already holding: ffff888033150d98 (&br->lock){+.-.}-{3:3}, at: spin_lock_bh include/linux/spinlock.h:356 [inline] ffff888033150d98 (&br->lock){+.-.}-{3:3}, at: br_port_slave_changelink+0x3d/0x150 net/bridge/br_netlink.c:1212 which would create a new lock dependency: (&br->lock){+.-.}-{3:3} -> (&bond->stats_lock){+.+.}-{3:3} but this new dependency connects a SOFTIRQ-irq-safe lock: (&br->lock){+.-.}-{3:3} ... which became SOFTIRQ-irq-safe at: lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 __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:351 [inline] br_forward_delay_timer_expired+0x4f/0x430 net/bridge/br_stp_timer.c:88 call_timer_fn+0x17b/0x5f0 kernel/time/timer.c:1747 expire_timers kernel/time/timer.c:1798 [inline] __run_timers kernel/time/timer.c:2372 [inline] __run_timer_base+0x61a/0x860 kernel/time/timer.c:2384 run_timer_base kernel/time/timer.c:2393 [inline] run_timer_softirq+0xb7/0x180 kernel/time/timer.c:2403 handle_softirqs+0x283/0x870 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 lock_acquire+0x175/0x360 kernel/locking/lockdep.c:5872 __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:351 [inline] fast_dput+0xdd/0x430 fs/dcache.c:827 dput+0xe8/0x2b0 fs/dcache.c:905 step_into+0x34d/0xf30 fs/namei.c:1982 walk_component fs/namei.c:2135 [inline] link_path_walk+0x77b/0xea0 fs/namei.c:2497 path_lookupat+0x97/0x430 fs/namei.c:2653 filename_lookup+0x212/0x570 fs/namei.c:2683 do_readlinkat+0xd9/0x500 fs/stat.c:576 __do_sys_readlink fs/stat.c:613 [inline] __se_sys_readlink fs/stat.c:610 [inline] __x64_sys_readlink+0x7f/0x90 fs/stat.c:610 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f to a SOFTIRQ-irq-unsafe lock: (&bond->stats_lock){+.+.}-{3:3} ... which became SOFTIRQ-irq-unsafe at: ... lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 _raw_spin_lock_nested+0x32/0x50 kernel/locking/spinlock.c:378 bond_get_stats+0x3c1/0x6c0 drivers/net/bonding/bond_main.c:4603 dev_get_stats+0xb1/0xa50 net/core/dev.c:11652 rtnl_fill_stats+0x47/0x8c0 net/core/rtnetlink.c:1476 rtnl_fill_ifinfo+0x1606/0x1e70 net/core/rtnetlink.c:2120 rtmsg_ifinfo_build_skb+0x17d/0x260 net/core/rtnetlink.c:4401 rtmsg_ifinfo_event net/core/rtnetlink.c:4434 [inline] rtmsg_ifinfo+0x8c/0x1a0 net/core/rtnetlink.c:4443 register_netdevice+0x1712/0x1ae0 net/core/dev.c:11258 bond_create+0xa9/0x110 drivers/net/bonding/bond_main.c:6610 bonding_init+0x6a/0xb0 drivers/net/bonding/bond_main.c:6704 do_one_initcall+0x233/0x820 init/main.c:1269 do_initcall_level+0x104/0x190 init/main.c:1331 do_initcalls+0x59/0xa0 init/main.c:1347 kernel_init_freeable+0x334/0x4b0 init/main.c:1579 kernel_init+0x1d/0x1d0 init/main.c:1469 ret_from_fork+0x439/0x7d0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 other info that might help us debug this: Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&bond->stats_lock); local_irq_disable(); lock(&br->lock); lock(&bond->stats_lock); lock(&br->lock); *** DEADLOCK *** 3 locks held by syz.4.1782/12163: #0: ffffffff8f53a088 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline] #0: ffffffff8f53a088 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline] #0: ffffffff8f53a088 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x8db/0x1c70 net/core/rtnetlink.c:4056 #1: ffff888033150d98 (&br->lock){+.-.}-{3:3}, at: spin_lock_bh include/linux/spinlock.h:356 [inline] #1: ffff888033150d98 (&br->lock){+.-.}-{3:3}, at: br_port_slave_changelink+0x3d/0x150 net/bridge/br_netlink.c:1212 #2: ffffffff8e13a0e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #2: ffffffff8e13a0e0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #2: ffffffff8e13a0e0 (rcu_read_lock){....}-{1:3}, at: bond_get_stats+0xc5/0x6c0 drivers/net/bonding/bond_main.c:4598 the dependencies between SOFTIRQ-irq-safe lock and the holding lock: -> (&br->lock){+.-.}-{3:3} { HARDIRQ-ON-W at: lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x36/0x50 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] br_add_if+0xabe/0xec0 net/bridge/br_if.c:683 do_set_master+0x533/0x6d0 net/core/rtnetlink.c:2948 do_setlink+0xcf0/0x41c0 net/core/rtnetlink.c:3150 rtnl_changelink net/core/rtnetlink.c:3761 [inline] __rtnl_newlink net/core/rtnetlink.c:3920 [inline] rtnl_newlink+0x160b/0x1c70 net/core/rtnetlink.c:4057 rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6946 netlink_rcv_skb+0x205/0x470 net/netlink/af_netlink.c:2552 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:714 [inline] __sock_sendmsg+0x219/0x270 net/socket.c:729 __sys_sendto+0x3bd/0x520 net/socket.c:2228 __do_sys_sendto net/socket.c:2235 [inline] __se_sys_sendto net/socket.c:2231 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2231 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f IN-SOFTIRQ-W at: lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 __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:351 [inline] br_forward_delay_timer_expired+0x4f/0x430 net/bridge/br_stp_timer.c:88 call_timer_fn+0x17b/0x5f0 kernel/time/timer.c:1747 expire_timers kernel/time/timer.c:1798 [inline] __run_timers kernel/time/timer.c:2372 [inline] __run_timer_base+0x61a/0x860 kernel/time/timer.c:2384 run_timer_base kernel/time/timer.c:2393 [inline] run_timer_softirq+0xb7/0x180 kernel/time/timer.c:2403 handle_softirqs+0x283/0x870 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 lock_acquire+0x175/0x360 kernel/locking/lockdep.c:5872 __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:351 [inline] fast_dput+0xdd/0x430 fs/dcache.c:827 dput+0xe8/0x2b0 fs/dcache.c:905 step_into+0x34d/0xf30 fs/namei.c:1982 walk_component fs/namei.c:2135 [inline] link_path_walk+0x77b/0xea0 fs/namei.c:2497 path_lookupat+0x97/0x430 fs/namei.c:2653 filename_lookup+0x212/0x570 fs/namei.c:2683 do_readlinkat+0xd9/0x500 fs/stat.c:576 __do_sys_readlink fs/stat.c:613 [inline] __se_sys_readlink fs/stat.c:610 [inline] __x64_sys_readlink+0x7f/0x90 fs/stat.c:610 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f INITIAL USE at: lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x36/0x50 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] br_add_if+0xabe/0xec0 net/bridge/br_if.c:683 do_set_master+0x533/0x6d0 net/core/rtnetlink.c:2948 do_setlink+0xcf0/0x41c0 net/core/rtnetlink.c:3150 rtnl_changelink net/core/rtnetlink.c:3761 [inline] __rtnl_newlink net/core/rtnetlink.c:3920 [inline] rtnl_newlink+0x160b/0x1c70 net/core/rtnetlink.c:4057 rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6946 netlink_rcv_skb+0x205/0x470 net/netlink/af_netlink.c:2552 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:714 [inline] __sock_sendmsg+0x219/0x270 net/socket.c:729 __sys_sendto+0x3bd/0x520 net/socket.c:2228 __do_sys_sendto net/socket.c:2235 [inline] __se_sys_sendto net/socket.c:2231 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2231 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f } ... key at: [] br_dev_setup.__key+0x0/0x20 the dependencies between the lock to be acquired and SOFTIRQ-irq-unsafe lock: -> (&bond->stats_lock){+.+.}-{3:3} { HARDIRQ-ON-W at: lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 _raw_spin_lock_nested+0x32/0x50 kernel/locking/spinlock.c:378 bond_get_stats+0x3c1/0x6c0 drivers/net/bonding/bond_main.c:4603 dev_get_stats+0xb1/0xa50 net/core/dev.c:11652 rtnl_fill_stats+0x47/0x8c0 net/core/rtnetlink.c:1476 rtnl_fill_ifinfo+0x1606/0x1e70 net/core/rtnetlink.c:2120 rtmsg_ifinfo_build_skb+0x17d/0x260 net/core/rtnetlink.c:4401 rtmsg_ifinfo_event net/core/rtnetlink.c:4434 [inline] rtmsg_ifinfo+0x8c/0x1a0 net/core/rtnetlink.c:4443 register_netdevice+0x1712/0x1ae0 net/core/dev.c:11258 bond_create+0xa9/0x110 drivers/net/bonding/bond_main.c:6610 bonding_init+0x6a/0xb0 drivers/net/bonding/bond_main.c:6704 do_one_initcall+0x233/0x820 init/main.c:1269 do_initcall_level+0x104/0x190 init/main.c:1331 do_initcalls+0x59/0xa0 init/main.c:1347 kernel_init_freeable+0x334/0x4b0 init/main.c:1579 kernel_init+0x1d/0x1d0 init/main.c:1469 ret_from_fork+0x439/0x7d0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 SOFTIRQ-ON-W at: lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 _raw_spin_lock_nested+0x32/0x50 kernel/locking/spinlock.c:378 bond_get_stats+0x3c1/0x6c0 drivers/net/bonding/bond_main.c:4603 dev_get_stats+0xb1/0xa50 net/core/dev.c:11652 rtnl_fill_stats+0x47/0x8c0 net/core/rtnetlink.c:1476 rtnl_fill_ifinfo+0x1606/0x1e70 net/core/rtnetlink.c:2120 rtmsg_ifinfo_build_skb+0x17d/0x260 net/core/rtnetlink.c:4401 rtmsg_ifinfo_event net/core/rtnetlink.c:4434 [inline] rtmsg_ifinfo+0x8c/0x1a0 net/core/rtnetlink.c:4443 register_netdevice+0x1712/0x1ae0 net/core/dev.c:11258 bond_create+0xa9/0x110 drivers/net/bonding/bond_main.c:6610 bonding_init+0x6a/0xb0 drivers/net/bonding/bond_main.c:6704 do_one_initcall+0x233/0x820 init/main.c:1269 do_initcall_level+0x104/0x190 init/main.c:1331 do_initcalls+0x59/0xa0 init/main.c:1347 kernel_init_freeable+0x334/0x4b0 init/main.c:1579 kernel_init+0x1d/0x1d0 init/main.c:1469 ret_from_fork+0x439/0x7d0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 INITIAL USE at: lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 _raw_spin_lock_nested+0x32/0x50 kernel/locking/spinlock.c:378 bond_get_stats+0x3c1/0x6c0 drivers/net/bonding/bond_main.c:4603 dev_get_stats+0xb1/0xa50 net/core/dev.c:11652 rtnl_fill_stats+0x47/0x8c0 net/core/rtnetlink.c:1476 rtnl_fill_ifinfo+0x1606/0x1e70 net/core/rtnetlink.c:2120 rtmsg_ifinfo_build_skb+0x17d/0x260 net/core/rtnetlink.c:4401 rtmsg_ifinfo_event net/core/rtnetlink.c:4434 [inline] rtmsg_ifinfo+0x8c/0x1a0 net/core/rtnetlink.c:4443 register_netdevice+0x1712/0x1ae0 net/core/dev.c:11258 bond_create+0xa9/0x110 drivers/net/bonding/bond_main.c:6610 bonding_init+0x6a/0xb0 drivers/net/bonding/bond_main.c:6704 do_one_initcall+0x233/0x820 init/main.c:1269 do_initcall_level+0x104/0x190 init/main.c:1331 do_initcalls+0x59/0xa0 init/main.c:1347 kernel_init_freeable+0x334/0x4b0 init/main.c:1579 kernel_init+0x1d/0x1d0 init/main.c:1469 ret_from_fork+0x439/0x7d0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 } ... key at: [] bond_init.__key+0x0/0x20 ... acquired at: lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 _raw_spin_lock_nested+0x32/0x50 kernel/locking/spinlock.c:378 bond_get_stats+0x3c1/0x6c0 drivers/net/bonding/bond_main.c:4603 dev_get_stats+0xb1/0xa50 net/core/dev.c:11652 rtnl_fill_stats+0x47/0x8c0 net/core/rtnetlink.c:1476 rtnl_fill_ifinfo+0x1606/0x1e70 net/core/rtnetlink.c:2120 rtmsg_ifinfo_build_skb+0x17d/0x260 net/core/rtnetlink.c:4401 rtmsg_ifinfo_event net/core/rtnetlink.c:4434 [inline] rtmsg_ifinfo+0x8c/0x1a0 net/core/rtnetlink.c:4443 __dev_notify_flags+0xf4/0x2e0 net/core/dev.c:9584 __dev_set_promiscuity+0x29f/0x740 net/core/dev.c:9386 netif_set_promiscuity+0x50/0xe0 net/core/dev.c:9396 dev_set_promiscuity+0x126/0x260 net/core/dev_api.c:287 br_port_clear_promisc net/bridge/br_if.c:135 [inline] br_manage_promisc+0x4db/0x560 net/bridge/br_if.c:172 nbp_update_port_count net/bridge/br_if.c:242 [inline] br_port_flags_change+0x160/0x1f0 net/bridge/br_if.c:762 br_setport+0xc3c/0x1670 net/bridge/br_netlink.c:1000 br_port_slave_changelink+0x12f/0x150 net/bridge/br_netlink.c:1213 rtnl_changelink net/core/rtnetlink.c:3754 [inline] __rtnl_newlink net/core/rtnetlink.c:3920 [inline] rtnl_newlink+0x19e5/0x1c70 net/core/rtnetlink.c:4057 rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6946 netlink_rcv_skb+0x205/0x470 net/netlink/af_netlink.c:2552 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:714 [inline] __sock_sendmsg+0x219/0x270 net/socket.c:729 ____sys_sendmsg+0x505/0x830 net/socket.c:2614 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2668 __sys_sendmsg net/socket.c:2700 [inline] __do_sys_sendmsg net/socket.c:2705 [inline] __se_sys_sendmsg net/socket.c:2703 [inline] __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2703 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f stack backtrace: CPU: 0 UID: 0 PID: 12163 Comm: syz.4.1782 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 print_bad_irq_dependency kernel/locking/lockdep.c:2616 [inline] check_irq_usage kernel/locking/lockdep.c:2857 [inline] check_prev_add kernel/locking/lockdep.c:3169 [inline] check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain+0x1f05/0x2140 kernel/locking/lockdep.c:3908 __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5237 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 _raw_spin_lock_nested+0x32/0x50 kernel/locking/spinlock.c:378 bond_get_stats+0x3c1/0x6c0 drivers/net/bonding/bond_main.c:4603 dev_get_stats+0xb1/0xa50 net/core/dev.c:11652 rtnl_fill_stats+0x47/0x8c0 net/core/rtnetlink.c:1476 rtnl_fill_ifinfo+0x1606/0x1e70 net/core/rtnetlink.c:2120 rtmsg_ifinfo_build_skb+0x17d/0x260 net/core/rtnetlink.c:4401 rtmsg_ifinfo_event net/core/rtnetlink.c:4434 [inline] rtmsg_ifinfo+0x8c/0x1a0 net/core/rtnetlink.c:4443 __dev_notify_flags+0xf4/0x2e0 net/core/dev.c:9584 __dev_set_promiscuity+0x29f/0x740 net/core/dev.c:9386 netif_set_promiscuity+0x50/0xe0 net/core/dev.c:9396 dev_set_promiscuity+0x126/0x260 net/core/dev_api.c:287 br_port_clear_promisc net/bridge/br_if.c:135 [inline] br_manage_promisc+0x4db/0x560 net/bridge/br_if.c:172 nbp_update_port_count net/bridge/br_if.c:242 [inline] br_port_flags_change+0x160/0x1f0 net/bridge/br_if.c:762 br_setport+0xc3c/0x1670 net/bridge/br_netlink.c:1000 br_port_slave_changelink+0x12f/0x150 net/bridge/br_netlink.c:1213 rtnl_changelink net/core/rtnetlink.c:3754 [inline] __rtnl_newlink net/core/rtnetlink.c:3920 [inline] rtnl_newlink+0x19e5/0x1c70 net/core/rtnetlink.c:4057 rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6946 netlink_rcv_skb+0x205/0x470 net/netlink/af_netlink.c:2552 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:714 [inline] __sock_sendmsg+0x219/0x270 net/socket.c:729 ____sys_sendmsg+0x505/0x830 net/socket.c:2614 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2668 __sys_sendmsg net/socket.c:2700 [inline] __do_sys_sendmsg net/socket.c:2705 [inline] __se_sys_sendmsg net/socket.c:2703 [inline] __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2703 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3f6a18ec29 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3f6b05d038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f3f6a3d5fa0 RCX: 00007f3f6a18ec29 RDX: 0000000000000000 RSI: 0000200000000140 RDI: 0000000000000003 RBP: 00007f3f6a211e41 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3f6a3d6038 R14: 00007f3f6a3d5fa0 R15: 00007ffd5ae55e68