kfence-#0 [0xffff888436814000-0xffff88843681427f, size=640, cache=kmalloc-1k] allocated by task 5298: __kmalloc_reserve net/core/skbuff.c:142 [inline] __alloc_skb+0xb8/0x3f0 net/core/skbuff.c:210 alloc_skb_fclone include/linux/skbuff.h:1144 [inline] sk_stream_alloc_skb+0xd3/0x650 net/ipv4/tcp.c:888 tcp_fragment+0x124/0xac0 net/ipv4/tcp_output.c:1569 __tcp_retransmit_skb+0x5e3/0x1770 net/ipv4/tcp_output.c:3183 tcp_retransmit_skb+0x2a/0x200 net/ipv4/tcp_output.c:3257 tcp_retransmit_timer+0x958/0x1a60 net/ipv4/tcp_timer.c:527 tcp_write_timer_handler+0x4a6/0x5d0 net/ipv4/tcp_timer.c:610 tcp_write_timer+0x86/0x270 net/ipv4/tcp_timer.c:630 call_timer_fn+0x145/0x510 kernel/time/timer.c:1417 expire_timers kernel/time/timer.c:1462 [inline] __run_timers.part.0+0x519/0x680 kernel/time/timer.c:1731 __run_timers kernel/time/timer.c:1712 [inline] run_timer_softirq+0x6f/0x110 kernel/time/timer.c:1744 __do_softirq+0x132/0x40b kernel/softirq.c:298 asm_call_irq_on_stack+0xf/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x58/0x70 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0xcd/0x110 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x38/0xd0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628 native_restore_fl arch/x86/include/asm/irqflags.h:41 [inline] arch_local_irq_restore arch/x86/include/asm/irqflags.h:84 [inline] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] _raw_spin_unlock_irqrestore+0x20/0x40 kernel/locking/spinlock.c:191 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] free_debug_processing+0x1fc/0x2e0 mm/slub.c:1255 __slab_free+0x130/0x5b0 mm/slub.c:2991 do_slab_free mm/slub.c:3145 [inline] slab_free mm/slub.c:3158 [inline] kfree+0x532/0x580 mm/slub.c:4156 tomoyo_realpath_from_path+0x12b/0x3d0 security/tomoyo/realpath.c:291 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_number_perm+0x11d/0x420 security/tomoyo/file.c:723 tomoyo_path_chmod+0x21/0x30 security/tomoyo/tomoyo.c:342 security_path_chmod+0x87/0xc0 security/security.c:1152 chmod_common+0xbd/0x280 fs/open.c:578 vfs_fchmod fs/open.c:598 [inline] __do_sys_fchmod fs/open.c:607 [inline] __se_sys_fchmod fs/open.c:601 [inline] __x64_sys_fchmod+0xaa/0x100 fs/open.c:601 do_syscall_64+0x34/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 freed by task 12099: skb_free_head net/core/skbuff.c:595 [inline] skb_release_data+0x499/0x4e0 net/core/skbuff.c:615 skb_release_all net/core/skbuff.c:669 [inline] __kfree_skb+0x34/0x50 net/core/skbuff.c:683 sk_wmem_free_skb include/net/sock.h:1546 [inline] tcp_rtx_queue_unlink_and_free include/net/tcp.h:1856 [inline] tcp_clean_rtx_queue net/ipv4/tcp_input.c:3251 [inline] tcp_ack+0x124a/0x3450 net/ipv4/tcp_input.c:3795 tcp_rcv_established+0x367/0x10b0 net/ipv4/tcp_input.c:5858 tcp_v4_do_rcv+0x361/0x4c0 net/ipv4/tcp_ipv4.c:1668 sk_backlog_rcv include/net/sock.h:1010 [inline] __release_sock+0xd7/0x260 net/core/sock.c:2523 release_sock+0x40/0x120 net/core/sock.c:3053 sk_wait_data+0x127/0x2b0 net/core/sock.c:2565 tcp_recvmsg+0x1106/0x1b60 net/ipv4/tcp.c:2181 inet_recvmsg+0xb1/0x270 net/ipv4/af_inet.c:848 sock_recvmsg_nosec net/socket.c:885 [inline] sock_recvmsg net/socket.c:903 [inline] sock_recvmsg net/socket.c:899 [inline] ____sys_recvmsg+0x2fd/0x3a0 net/socket.c:2563 ___sys_recvmsg+0xd9/0x1b0 net/socket.c:2605 __sys_recvmsg+0x8b/0x130 net/socket.c:2641 __do_sys_recvmsg net/socket.c:2651 [inline] __se_sys_recvmsg net/socket.c:2648 [inline] __x64_sys_recvmsg+0x43/0x50 net/socket.c:2648 do_syscall_64+0x34/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 --------------------------------- kfence-#1 [0xffff888436816000-0xffff88843681627f, size=640, cache=kmalloc-1k] allocated by task 29: __kmalloc_reserve net/core/skbuff.c:142 [inline] __alloc_skb+0xb8/0x3f0 net/core/skbuff.c:210 alloc_skb_fclone include/linux/skbuff.h:1144 [inline] sk_stream_alloc_skb+0xd3/0x650 net/ipv4/tcp.c:888 tcp_fragment+0x124/0xac0 net/ipv4/tcp_output.c:1569 __tcp_retransmit_skb+0x5e3/0x1770 net/ipv4/tcp_output.c:3183 tcp_retransmit_skb+0x2a/0x200 net/ipv4/tcp_output.c:3257 tcp_xmit_retransmit_queue.part.0+0x389/0x6f0 net/ipv4/tcp_output.c:3339 tcp_xmit_retransmit_queue+0x36/0x40 net/ipv4/tcp_output.c:3293 tcp_xmit_recovery net/ipv4/tcp_input.c:3652 [inline] tcp_xmit_recovery+0x64/0xe0 net/ipv4/tcp_input.c:3638 tcp_ack+0x1a60/0x3450 net/ipv4/tcp_input.c:3825 tcp_rcv_established+0x367/0x10b0 net/ipv4/tcp_input.c:5858 tcp_v4_do_rcv+0x361/0x4c0 net/ipv4/tcp_ipv4.c:1668 tcp_v4_rcv+0x1e29/0x20c0 net/ipv4/tcp_ipv4.c:2050 ip_protocol_deliver_rcu+0x31/0x4f0 net/ipv4/ip_input.c:204 ip_local_deliver_finish+0x111/0x150 net/ipv4/ip_input.c:231 NF_HOOK include/linux/netfilter.h:301 [inline] NF_HOOK include/linux/netfilter.h:295 [inline] ip_local_deliver+0x244/0x250 net/ipv4/ip_input.c:252 dst_input include/net/dst.h:447 [inline] ip_rcv_finish+0x14a/0x1d0 net/ipv4/ip_input.c:428 NF_HOOK include/linux/netfilter.h:301 [inline] NF_HOOK include/linux/netfilter.h:295 [inline] ip_rcv+0x1c4/0x1d0 net/ipv4/ip_input.c:539 __netif_receive_skb_one_core+0xb3/0xe0 net/core/dev.c:5316 __netif_receive_skb+0x29/0xe0 net/core/dev.c:5430 process_backlog+0x169/0x350 net/core/dev.c:6320 napi_poll net/core/dev.c:6764 [inline] net_rx_action+0x326/0xa30 net/core/dev.c:6834 __do_softirq+0x132/0x40b kernel/softirq.c:298 run_ksoftirqd kernel/softirq.c:653 [inline] run_ksoftirqd+0x21/0x40 kernel/softirq.c:645 smpboot_thread_fn+0x3e6/0x560 kernel/smpboot.c:165 kthread+0x24f/0x280 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 freed by task 13615: skb_free_head net/core/skbuff.c:595 [inline] skb_release_data+0x499/0x4e0 net/core/skbuff.c:615 skb_release_all net/core/skbuff.c:669 [inline] __kfree_skb+0x34/0x50 net/core/skbuff.c:683 sk_wmem_free_skb include/net/sock.h:1546 [inline] tcp_rtx_queue_unlink_and_free include/net/tcp.h:1856 [inline] tcp_clean_rtx_queue net/ipv4/tcp_input.c:3251 [inline] tcp_ack+0x124a/0x3450 net/ipv4/tcp_input.c:3795 tcp_rcv_established+0x367/0x10b0 net/ipv4/tcp_input.c:5858 tcp_v4_do_rcv+0x361/0x4c0 net/ipv4/tcp_ipv4.c:1668 sk_backlog_rcv include/net/sock.h:1010 [inline] __release_sock+0xd7/0x260 net/core/sock.c:2523 release_sock+0x40/0x120 net/core/sock.c:3053 sk_wait_data+0x127/0x2b0 net/core/sock.c:2565 tcp_recvmsg+0x1106/0x1b60 net/ipv4/tcp.c:2181 inet_recvmsg+0xb1/0x270 net/ipv4/af_inet.c:848 sock_recvmsg_nosec net/socket.c:885 [inline] sock_recvmsg net/socket.c:903 [inline] sock_recvmsg net/socket.c:899 [inline] ____sys_recvmsg+0x2fd/0x3a0 net/socket.c:2563 ___sys_recvmsg+0xd9/0x1b0 net/socket.c:2605 __sys_recvmsg+0x8b/0x130 net/socket.c:2641 __do_sys_recvmsg net/socket.c:2651 [inline] __se_sys_recvmsg net/socket.c:2648 [inline] __x64_sys_recvmsg+0x43/0x50 net/socket.c:2648 do_syscall_64+0x34/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 --------------------------------- kfence-#2 [0xffff888436818c00-0xffff888436818e7f, size=640, cache=kmalloc-1k] allocated by task 0: __kmalloc_reserve net/core/skbuff.c:142 [inline] __alloc_skb+0xb8/0x3f0 net/core/skbuff.c:210 alloc_skb include/linux/skbuff.h:1094 [inline] __tcp_send_ack.part.0+0x47/0x3c0 net/ipv4/tcp_output.c:3945 __tcp_send_ack net/ipv4/tcp_output.c:3977 [inline] tcp_send_ack+0x47/0x50 net/ipv4/tcp_output.c:3977 __tcp_ack_snd_check+0xb2/0x530 net/ipv4/tcp_input.c:5400 tcp_ack_snd_check net/ipv4/tcp_input.c:5445 [inline] tcp_rcv_established+0x5c2/0x10b0 net/ipv4/tcp_input.c:5870 tcp_v4_do_rcv+0x361/0x4c0 net/ipv4/tcp_ipv4.c:1668 tcp_v4_rcv+0x1e29/0x20c0 net/ipv4/tcp_ipv4.c:2050 ip_protocol_deliver_rcu+0x31/0x4f0 net/ipv4/ip_input.c:204 ip_local_deliver_finish+0x111/0x150 net/ipv4/ip_input.c:231 NF_HOOK include/linux/netfilter.h:301 [inline] NF_HOOK include/linux/netfilter.h:295 [inline] ip_local_deliver+0x244/0x250 net/ipv4/ip_input.c:252 dst_input include/net/dst.h:447 [inline] ip_rcv_finish+0x14a/0x1d0 net/ipv4/ip_input.c:428 NF_HOOK include/linux/netfilter.h:301 [inline] NF_HOOK include/linux/netfilter.h:295 [inline] ip_rcv+0x1c4/0x1d0 net/ipv4/ip_input.c:539 __netif_receive_skb_one_core+0xb3/0xe0 net/core/dev.c:5316 __netif_receive_skb+0x29/0xe0 net/core/dev.c:5430 process_backlog+0x169/0x350 net/core/dev.c:6320 napi_poll net/core/dev.c:6764 [inline] net_rx_action+0x326/0xa30 net/core/dev.c:6834 __do_softirq+0x132/0x40b kernel/softirq.c:298 asm_call_irq_on_stack+0xf/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x58/0x70 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0xcd/0x110 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x38/0xd0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628 native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline] arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline] default_idle+0xe/0x10 arch/x86/kernel/process.c:688 default_idle_call+0x32/0x50 kernel/sched/idle.c:98 cpuidle_idle_call kernel/sched/idle.c:168 [inline] do_idle+0x207/0x270 kernel/sched/idle.c:273 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:370 secondary_startup_64_no_verify+0xb0/0xbb freed by task 0: skb_free_head net/core/skbuff.c:595 [inline] skb_release_data+0x499/0x4e0 net/core/skbuff.c:615 skb_release_all net/core/skbuff.c:669 [inline] __kfree_skb+0x34/0x50 net/core/skbuff.c:683 tcp_data_queue+0x1801/0x2560 net/ipv4/tcp_input.c:4927 tcp_rcv_established+0x52c/0x10b0 net/ipv4/tcp_input.c:5867 tcp_v4_do_rcv+0x361/0x4c0 net/ipv4/tcp_ipv4.c:1668 tcp_v4_rcv+0x1e29/0x20c0 net/ipv4/tcp_ipv4.c:2050 ip_protocol_deliver_rcu+0x31/0x4f0 net/ipv4/ip_input.c:204 ip_local_deliver_finish+0x111/0x150 net/ipv4/ip_input.c:231 NF_HOOK include/linux/netfilter.h:301 [inline] NF_HOOK include/linux/netfilter.h:295 [inline] ip_local_deliver+0x244/0x250 net/ipv4/ip_input.c:252 dst_input include/net/dst.h:447 [inline] ip_rcv_finish+0x14a/0x1d0 net/ipv4/ip_input.c:428 NF_HOOK include/linux/netfilter.h:301 [inline] NF_HOOK include/linux/netfilter.h:295 [inline] ip_rcv+0x1c4/0x1d0 net/ipv4/ip_input.c:539 __netif_receive_skb_one_core+0xb3/0xe0 net/core/dev.c:5316 __netif_receive_skb+0x29/0xe0 net/core/dev.c:5430 process_backlog+0x169/0x350 net/core/dev.c:6320 napi_poll net/core/dev.c:6764 [inline] net_rx_action+0x326/0xa30 net/core/dev.c:6834 __do_softirq+0x132/0x40b kernel/softirq.c:298 asm_call_irq_on_stack+0xf/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x58/0x70 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0xcd/0x110 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x38/0xd0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628 native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline] arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline] default_idle+0xe/0x10 arch/x86/kernel/process.c:688 default_idle_call+0x32/0x50 kernel/sched/idle.c:98 cpuidle_idle_call kernel/sched/idle.c:168 [inline] do_idle+0x207/0x270 kernel/sched/idle.c:273 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:370 secondary_startup_64_no_verify+0xb0/0xbb --------------------------------- kfence-#3 [0xffff88843681ac00-0xffff88843681ae7f, size=640, cache=kmalloc-1k] allocated by task 17012: __kmalloc_reserve net/core/skbuff.c:142 [inline] __alloc_skb+0xb8/0x3f0 net/core/skbuff.c:210 alloc_skb_fclone include/linux/skbuff.h:1144 [inline] sk_stream_alloc_skb+0xd3/0x650 net/ipv4/tcp.c:888 tso_fragment net/ipv4/tcp_output.c:2124 [inline] tcp_write_xmit+0x1366/0x3510 net/ipv4/tcp_output.c:2674 __tcp_push_pending_frames+0x68/0x1f0 net/ipv4/tcp_output.c:2866 tcp_push_pending_frames include/net/tcp.h:1864 [inline] tcp_data_snd_check net/ipv4/tcp_input.c:5374 [inline] tcp_rcv_established+0x57c/0x10b0 net/ipv4/tcp_input.c:5869 tcp_v4_do_rcv+0x361/0x4c0 net/ipv4/tcp_ipv4.c:1668 sk_backlog_rcv include/net/sock.h:1010 [inline] __release_sock+0xd7/0x260 net/core/sock.c:2523 release_sock+0x40/0x120 net/core/sock.c:3053 sk_wait_data+0x127/0x2b0 net/core/sock.c:2565 tcp_recvmsg+0x1106/0x1b60 net/ipv4/tcp.c:2181 inet_recvmsg+0xb1/0x270 net/ipv4/af_inet.c:848 sock_recvmsg_nosec net/socket.c:885 [inline] sock_recvmsg net/socket.c:903 [inline] sock_recvmsg net/socket.c:899 [inline] ____sys_recvmsg+0x2fd/0x3a0 net/socket.c:2563 ___sys_recvmsg+0xd9/0x1b0 net/socket.c:2605 __sys_recvmsg+0x8b/0x130 net/socket.c:2641 __do_sys_recvmsg net/socket.c:2651 [inline] __se_sys_recvmsg net/socket.c:2648 [inline] __x64_sys_recvmsg+0x43/0x50 net/socket.c:2648 do_syscall_64+0x34/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 freed by task 17012: skb_free_head net/core/skbuff.c:595 [inline] skb_release_data+0x499/0x4e0 net/core/skbuff.c:615 skb_release_all net/core/skbuff.c:669 [inline] __kfree_skb+0x34/0x50 net/core/skbuff.c:683 tcp_drop net/ipv4/tcp_input.c:4618 [inline] tcp_prune_ofo_queue+0x14b/0x3e0 net/ipv4/tcp_input.c:5250 tcp_prune_queue net/ipv4/tcp_input.c:5307 [inline] tcp_try_rmem_schedule+0x9a2/0xbc0 net/ipv4/tcp_input.c:4680 tcp_data_queue_ofo net/ipv4/tcp_input.c:4701 [inline] tcp_data_queue+0x2dd/0x2560 net/ipv4/tcp_input.c:5015 tcp_rcv_established+0x52c/0x10b0 net/ipv4/tcp_input.c:5867 tcp_v4_do_rcv+0x361/0x4c0 net/ipv4/tcp_ipv4.c:1668 sk_backlog_rcv include/net/sock.h:1010 [inline] __release_sock+0xd7/0x260 net/core/sock.c:2523 release_sock+0x40/0x120 net/core/sock.c:3053 sk_wait_data+0x127/0x2b0 net/core/sock.c:2565 tcp_recvmsg+0x1106/0x1b60 net/ipv4/tcp.c:2181 inet_recvmsg+0xb1/0x270 net/ipv4/af_inet.c:848 sock_recvmsg_nosec net/socket.c:885 [inline] sock_recvmsg net/socket.c:903 [inline] sock_recvmsg net/socket.c:899 [inline] ____sys_recvmsg+0x2fd/0x3a0 net/socket.c:2563 ___sys_recvmsg+0xd9/0x1b0 net/socket.c:2605 __sys_recvmsg+0x8b/0x130 net/socket.c:2641 __do_sys_recvmsg net/socket.c:2651 [inline] __se_sys_recvmsg net/socket.c:2648 [inline] __x64_sys_recvmsg+0x43/0x50 net/socket.c:2648 do_syscall_64+0x34/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 --------------------------------- kfence-#4 [0xffff88843681c000-0xffff88843681c27f, size=640, cache=kmalloc-1k] allocated by task 0: __kmalloc_reserve net/core/skbuff.c:142 [inline] __alloc_skb+0xb8/0x3f0 net/core/skbuff.c:210 alloc_skb_fclone include/linux/skbuff.h:1144 [inline] sk_stream_alloc_skb+0xd3/0x650 net/ipv4/tcp.c:888 tso_fragment net/ipv4/tcp_output.c:2124 [inline] tcp_write_xmit+0x1366/0x3510 net/ipv4/tcp_output.c:2674 tcp_send_loss_probe+0x337/0x4c0 net/ipv4/tcp_output.c:2804 tcp_write_timer_handler+0x4d4/0x5d0 net/ipv4/tcp_timer.c:606 tcp_write_timer+0x86/0x270 net/ipv4/tcp_timer.c:630 call_timer_fn+0x145/0x510 kernel/time/timer.c:1417 expire_timers kernel/time/timer.c:1462 [inline] __run_timers.part.0+0x519/0x680 kernel/time/timer.c:1731 __run_timers kernel/time/timer.c:1712 [inline] run_timer_softirq+0x6f/0x110 kernel/time/timer.c:1744 __do_softirq+0x132/0x40b kernel/softirq.c:298 asm_call_irq_on_stack+0xf/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x58/0x70 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0xcd/0x110 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x38/0xd0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628 native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline] arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline] default_idle+0xe/0x10 arch/x86/kernel/process.c:688 default_idle_call+0x32/0x50 kernel/sched/idle.c:98 cpuidle_idle_call kernel/sched/idle.c:168 [inline] do_idle+0x207/0x270 kernel/sched/idle.c:273 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:370 secondary_startup_64_no_verify+0xb0/0xbb freed by task 17200: skb_free_head net/core/skbuff.c:595 [inline] skb_release_data+0x499/0x4e0 net/core/skbuff.c:615 skb_release_all net/core/skbuff.c:669 [inline] __kfree_skb+0x34/0x50 net/core/skbuff.c:683 sk_wmem_free_skb include/net/sock.h:1546 [inline] tcp_rtx_queue_unlink_and_free include/net/tcp.h:1856 [inline] tcp_shifted_skb+0x4f8/0x960 net/ipv4/tcp_input.c:1464 tcp_shift_skb_data net/ipv4/tcp_input.c:1607 [inline] tcp_sacktag_walk+0x7e0/0xc40 net/ipv4/tcp_input.c:1670 tcp_sacktag_write_queue+0xd5e/0x1b50 net/ipv4/tcp_input.c:1931 tcp_ack+0x1fcd/0x3450 net/ipv4/tcp_input.c:3758 tcp_rcv_established+0x367/0x10b0 net/ipv4/tcp_input.c:5858 tcp_v4_do_rcv+0x361/0x4c0 net/ipv4/tcp_ipv4.c:1668 sk_backlog_rcv include/net/sock.h:1010 [inline] __release_sock+0xd7/0x260 net/core/sock.c:2523 release_sock+0x40/0x120 net/core/sock.c:3053 sk_wait_data+0x127/0x2b0 net/core/sock.c:2565 tcp_recvmsg+0x1106/0x1b60 net/ipv4/tcp.c:2181 inet_recvmsg+0xb1/0x270 net/ipv4/af_inet.c:848 sock_recvmsg_nosec net/socket.c:885 [inline] sock_recvmsg net/socket.c:903 [inline] sock_recvmsg net/socket.c:899 [inline] ____sys_recvmsg+0x2fd/0x3a0 net/socket.c:2563 ___sys_recvmsg+0xd9/0x1b0 net/socket.c:2605 __sys_recvmsg+0x8b/0x130 net/socket.c:2641 __do_sys_recvmsg net/socket.c:2651 [inline] __se_sys_recvmsg net/socket.c:2648 [inline] __x64_sys_recvmsg+0x43/0x50 net/socket.c:2648 do_syscall_64+0x34/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9