INFO: task syz-executor220:8715 blocked for more than 143 seconds. Not tainted 5.5.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor220 D28328 8715 8714 0x00004004 Call Trace: context_switch kernel/sched/core.c:3385 [inline] __schedule+0x87f/0xcd0 kernel/sched/core.c:4081 schedule+0x188/0x210 kernel/sched/core.c:4155 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4214 __mutex_lock_common+0x11f1/0x2f30 kernel/locking/mutex.c:1033 __mutex_lock kernel/locking/mutex.c:1103 [inline] mutex_lock_nested+0x1b/0x30 kernel/locking/mutex.c:1118 hashlimit_mt_check_common+0x4da/0x1020 net/netfilter/xt_hashlimit.c:903 hashlimit_mt_check+0x7e/0x90 net/netfilter/xt_hashlimit.c:963 xt_check_match+0x6e0/0xb60 net/netfilter/x_tables.c:501 check_match net/ipv4/netfilter/ip_tables.c:472 [inline] find_check_match net/ipv4/netfilter/ip_tables.c:488 [inline] find_check_entry net/ipv4/netfilter/ip_tables.c:538 [inline] translate_table+0x151c/0x2230 net/ipv4/netfilter/ip_tables.c:717 do_replace net/ipv4/netfilter/ip_tables.c:1136 [inline] do_ipt_set_ctl+0x2c3/0x550 net/ipv4/netfilter/ip_tables.c:1672 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x27a/0x2a0 net/netfilter/nf_sockopt.c:115 ip_setsockopt+0xd8/0xf0 net/ipv4/ip_sockglue.c:1260 tcp_setsockopt+0xbe/0xd0 net/ipv4/tcp.c:3158 sock_common_setsockopt+0x99/0xb0 net/core/sock.c:3149 __sys_setsockopt+0x582/0x720 net/socket.c:2117 __do_sys_setsockopt net/socket.c:2133 [inline] __se_sys_setsockopt net/socket.c:2130 [inline] __x64_sys_setsockopt+0xbf/0xd0 net/socket.c:2130 do_syscall_64+0xf7/0x1c0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441b39 Code: 2c 20 75 73 65 20 6d 6f 64 75 6c 65 20 69 6d 75 78 73 6f 63 6b 20 69 6e 73 74 65 61 64 00 00 00 00 65 72 72 6f 72 20 2d 70 20 <69> 73 20 6e 6f 20 6c 6f 6e 67 65 72 20 73 75 70 70 6f 72 74 65 64 RSP: 002b:00007ffec225f868 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441b39 RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 RBP: 00000000006cc018 R08: 00000000000003a0 R09: 00000000004002c8 R10: 0000000020000440 R11: 0000000000000246 R12: 00000000004028b0 R13: 0000000000402940 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor220:8716 blocked for more than 143 seconds. Not tainted 5.5.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor220 D28136 8716 8713 0x00004004 Call Trace: context_switch kernel/sched/core.c:3385 [inline] __schedule+0x87f/0xcd0 kernel/sched/core.c:4081 schedule+0x188/0x210 kernel/sched/core.c:4155 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4214 __mutex_lock_common+0x11f1/0x2f30 kernel/locking/mutex.c:1033 __mutex_lock kernel/locking/mutex.c:1103 [inline] mutex_lock_nested+0x1b/0x30 kernel/locking/mutex.c:1118 hashlimit_mt_check_common+0x4da/0x1020 net/netfilter/xt_hashlimit.c:903 hashlimit_mt_check+0x7e/0x90 net/netfilter/xt_hashlimit.c:963 xt_check_match+0x6e0/0xb60 net/netfilter/x_tables.c:501 check_match net/ipv4/netfilter/ip_tables.c:472 [inline] find_check_match net/ipv4/netfilter/ip_tables.c:488 [inline] find_check_entry net/ipv4/netfilter/ip_tables.c:538 [inline] translate_table+0x151c/0x2230 net/ipv4/netfilter/ip_tables.c:717 do_replace net/ipv4/netfilter/ip_tables.c:1136 [inline] do_ipt_set_ctl+0x2c3/0x550 net/ipv4/netfilter/ip_tables.c:1672 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x27a/0x2a0 net/netfilter/nf_sockopt.c:115 ip_setsockopt+0xd8/0xf0 net/ipv4/ip_sockglue.c:1260 tcp_setsockopt+0xbe/0xd0 net/ipv4/tcp.c:3158 sock_common_setsockopt+0x99/0xb0 net/core/sock.c:3149 __sys_setsockopt+0x582/0x720 net/socket.c:2117 __do_sys_setsockopt net/socket.c:2133 [inline] __se_sys_setsockopt net/socket.c:2130 [inline] __x64_sys_setsockopt+0xbf/0xd0 net/socket.c:2130 do_syscall_64+0xf7/0x1c0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441b39 Code: 2c 20 75 73 65 20 6d 6f 64 75 6c 65 20 69 6d 75 78 73 6f 63 6b 20 69 6e 73 74 65 61 64 00 00 00 00 65 72 72 6f 72 20 2d 70 20 <69> 73 20 6e 6f 20 6c 6f 6e 67 65 72 20 73 75 70 70 6f 72 74 65 64 RSP: 002b:00007ffec225f868 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441b39 RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 RBP: 00000000006cc018 R08: 00000000000003a0 R09: 00000000004002c8 R10: 0000000020000440 R11: 0000000000000246 R12: 00000000004028b0 R13: 0000000000402940 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor220:8717 blocked for more than 143 seconds. Not tainted 5.5.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor220 D28328 8717 8711 0x00004004 Call Trace: context_switch kernel/sched/core.c:3385 [inline] __schedule+0x87f/0xcd0 kernel/sched/core.c:4081 schedule+0x188/0x210 kernel/sched/core.c:4155 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4214 __mutex_lock_common+0x11f1/0x2f30 kernel/locking/mutex.c:1033 __mutex_lock kernel/locking/mutex.c:1103 [inline] mutex_lock_nested+0x1b/0x30 kernel/locking/mutex.c:1118 hashlimit_mt_check_common+0x4da/0x1020 net/netfilter/xt_hashlimit.c:903 hashlimit_mt_check+0x7e/0x90 net/netfilter/xt_hashlimit.c:963 xt_check_match+0x6e0/0xb60 net/netfilter/x_tables.c:501 check_match net/ipv4/netfilter/ip_tables.c:472 [inline] find_check_match net/ipv4/netfilter/ip_tables.c:488 [inline] find_check_entry net/ipv4/netfilter/ip_tables.c:538 [inline] translate_table+0x151c/0x2230 net/ipv4/netfilter/ip_tables.c:717 do_replace net/ipv4/netfilter/ip_tables.c:1136 [inline] do_ipt_set_ctl+0x2c3/0x550 net/ipv4/netfilter/ip_tables.c:1672 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x27a/0x2a0 net/netfilter/nf_sockopt.c:115 ip_setsockopt+0xd8/0xf0 net/ipv4/ip_sockglue.c:1260 tcp_setsockopt+0xbe/0xd0 net/ipv4/tcp.c:3158 sock_common_setsockopt+0x99/0xb0 net/core/sock.c:3149 __sys_setsockopt+0x582/0x720 net/socket.c:2117 __do_sys_setsockopt net/socket.c:2133 [inline] __se_sys_setsockopt net/socket.c:2130 [inline] __x64_sys_setsockopt+0xbf/0xd0 net/socket.c:2130 do_syscall_64+0xf7/0x1c0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441b39 Code: 2c 20 75 73 65 20 6d 6f 64 75 6c 65 20 69 6d 75 78 73 6f 63 6b 20 69 6e 73 74 65 61 64 00 00 00 00 65 72 72 6f 72 20 2d 70 20 <69> 73 20 6e 6f 20 6c 6f 6e 67 65 72 20 73 75 70 70 6f 72 74 65 64 RSP: 002b:00007ffec225f868 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441b39 RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 RBP: 00000000006cc018 R08: 00000000000003a0 R09: 00000000004002c8 R10: 0000000020000440 R11: 0000000000000246 R12: 00000000004028b0 R13: 0000000000402940 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor220:8718 blocked for more than 144 seconds. Not tainted 5.5.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor220 D27944 8718 8709 0x00004004 Call Trace: context_switch kernel/sched/core.c:3385 [inline] __schedule+0x87f/0xcd0 kernel/sched/core.c:4081 schedule+0x188/0x210 kernel/sched/core.c:4155 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4214 __mutex_lock_common+0x11f1/0x2f30 kernel/locking/mutex.c:1033 __mutex_lock kernel/locking/mutex.c:1103 [inline] mutex_lock_nested+0x1b/0x30 kernel/locking/mutex.c:1118 hashlimit_mt_check_common+0x4da/0x1020 net/netfilter/xt_hashlimit.c:903 hashlimit_mt_check+0x7e/0x90 net/netfilter/xt_hashlimit.c:963 xt_check_match+0x6e0/0xb60 net/netfilter/x_tables.c:501 check_match net/ipv4/netfilter/ip_tables.c:472 [inline] find_check_match net/ipv4/netfilter/ip_tables.c:488 [inline] find_check_entry net/ipv4/netfilter/ip_tables.c:538 [inline] translate_table+0x151c/0x2230 net/ipv4/netfilter/ip_tables.c:717 do_replace net/ipv4/netfilter/ip_tables.c:1136 [inline] do_ipt_set_ctl+0x2c3/0x550 net/ipv4/netfilter/ip_tables.c:1672 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x27a/0x2a0 net/netfilter/nf_sockopt.c:115 ip_setsockopt+0xd8/0xf0 net/ipv4/ip_sockglue.c:1260 tcp_setsockopt+0xbe/0xd0 net/ipv4/tcp.c:3158 sock_common_setsockopt+0x99/0xb0 net/core/sock.c:3149 __sys_setsockopt+0x582/0x720 net/socket.c:2117 __do_sys_setsockopt net/socket.c:2133 [inline] __se_sys_setsockopt net/socket.c:2130 [inline] __x64_sys_setsockopt+0xbf/0xd0 net/socket.c:2130 do_syscall_64+0xf7/0x1c0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441b39 Code: 2c 20 75 73 65 20 6d 6f 64 75 6c 65 20 69 6d 75 78 73 6f 63 6b 20 69 6e 73 74 65 61 64 00 00 00 00 65 72 72 6f 72 20 2d 70 20 <69> 73 20 6e 6f 20 6c 6f 6e 67 65 72 20 73 75 70 70 6f 72 74 65 64 RSP: 002b:00007ffec225f868 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441b39 RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 RBP: 00000000006cc018 R08: 00000000000003a0 R09: 00000000004002c8 R10: 0000000020000440 R11: 0000000000000246 R12: 00000000004028b0 R13: 0000000000402940 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor220:8719 blocked for more than 144 seconds. Not tainted 5.5.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor220 D28328 8719 8712 0x00004004 Call Trace: context_switch kernel/sched/core.c:3385 [inline] __schedule+0x87f/0xcd0 kernel/sched/core.c:4081 schedule+0x188/0x210 kernel/sched/core.c:4155 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4214 __mutex_lock_common+0x11f1/0x2f30 kernel/locking/mutex.c:1033 __mutex_lock kernel/locking/mutex.c:1103 [inline] mutex_lock_nested+0x1b/0x30 kernel/locking/mutex.c:1118 hashlimit_mt_check_common+0x4da/0x1020 net/netfilter/xt_hashlimit.c:903 hashlimit_mt_check+0x7e/0x90 net/netfilter/xt_hashlimit.c:963 xt_check_match+0x6e0/0xb60 net/netfilter/x_tables.c:501 check_match net/ipv4/netfilter/ip_tables.c:472 [inline] find_check_match net/ipv4/netfilter/ip_tables.c:488 [inline] find_check_entry net/ipv4/netfilter/ip_tables.c:538 [inline] translate_table+0x151c/0x2230 net/ipv4/netfilter/ip_tables.c:717 do_replace net/ipv4/netfilter/ip_tables.c:1136 [inline] do_ipt_set_ctl+0x2c3/0x550 net/ipv4/netfilter/ip_tables.c:1672 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x27a/0x2a0 net/netfilter/nf_sockopt.c:115 ip_setsockopt+0xd8/0xf0 net/ipv4/ip_sockglue.c:1260 tcp_setsockopt+0xbe/0xd0 net/ipv4/tcp.c:3158 sock_common_setsockopt+0x99/0xb0 net/core/sock.c:3149 __sys_setsockopt+0x582/0x720 net/socket.c:2117 __do_sys_setsockopt net/socket.c:2133 [inline] __se_sys_setsockopt net/socket.c:2130 [inline] __x64_sys_setsockopt+0xbf/0xd0 net/socket.c:2130 do_syscall_64+0xf7/0x1c0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441b39 Code: 2c 20 75 73 65 20 6d 6f 64 75 6c 65 20 69 6d 75 78 73 6f 63 6b 20 69 6e 73 74 65 61 64 00 00 00 00 65 72 72 6f 72 20 2d 70 20 <69> 73 20 6e 6f 20 6c 6f 6e 67 65 72 20 73 75 70 70 6f 72 74 65 64 RSP: 002b:00007ffec225f868 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441b39 RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 RBP: 00000000006cc018 R08: 00000000000003a0 R09: 00000000004002c8 R10: 0000000020000440 R11: 0000000000000246 R12: 00000000004028b0 R13: 0000000000402940 R14: 0000000000000000 R15: 0000000000000000 Showing all locks held in the system: 1 lock held by khungtaskd/920: #0: ffffffff890d45c0 (rcu_read_lock){....}, at: rcu_lock_acquire+0x4/0x30 include/linux/rcupdate.h:207 1 lock held by rsyslogd/8594: #0: ffff888092b7a0e0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x243/0x2e0 fs/file.c:801 2 locks held by getty/8684: #0: ffff888090cca090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:267 #1: ffffc9000181b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x22f/0x1bc0 drivers/tty/n_tty.c:2156 2 locks held by getty/8685: #0: ffff888090e47090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:267 #1: ffffc900018ab2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x22f/0x1bc0 drivers/tty/n_tty.c:2156 2 locks held by getty/8686: #0: ffff88809f7aa090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:267 #1: ffffc9000186b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x22f/0x1bc0 drivers/tty/n_tty.c:2156 2 locks held by getty/8687: #0: ffff88809f090090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:267 #1: ffffc9000185b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x22f/0x1bc0 drivers/tty/n_tty.c:2156 2 locks held by getty/8688: #0: ffff8880a8055090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:267 #1: ffffc9000188b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x22f/0x1bc0 drivers/tty/n_tty.c:2156 2 locks held by getty/8689: #0: ffff8880a2c49090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:267 #1: ffffc9000189b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x22f/0x1bc0 drivers/tty/n_tty.c:2156 2 locks held by getty/8690: #0: ffff88808ac04090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:267 #1: ffffc900017eb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x22f/0x1bc0 drivers/tty/n_tty.c:2156 1 lock held by syz-executor220/8710: 1 lock held by syz-executor220/8715: #0: ffffffff893710f0 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common+0x4da/0x1020 net/netfilter/xt_hashlimit.c:903 1 lock held by syz-executor220/8716: #0: ffffffff893710f0 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common+0x4da/0x1020 net/netfilter/xt_hashlimit.c:903 1 lock held by syz-executor220/8717: #0: ffffffff893710f0 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common+0x4da/0x1020 net/netfilter/xt_hashlimit.c:903 1 lock held by syz-executor220/8718: #0: ffffffff893710f0 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common+0x4da/0x1020 net/netfilter/xt_hashlimit.c:903 1 lock held by syz-executor220/8719: #0: ffffffff893710f0 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common+0x4da/0x1020 net/netfilter/xt_hashlimit.c:903 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 920 Comm: khungtaskd Not tainted 5.5.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fb/0x318 lib/dump_stack.c:118 nmi_cpu_backtrace+0xaa/0x190 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x16f/0x290 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x10/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_all_cpu_backtrace+0x17/0x20 include/linux/nmi.h:146 check_hung_uninterruptible_tasks kernel/hung_task.c:205 [inline] watchdog+0xd40/0xd60 kernel/hung_task.c:289 kthread+0x332/0x350 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 8710 Comm: syz-executor220 Not tainted 5.5.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:_raw_spin_unlock_bh+0x2f/0x40 kernel/locking/spinlock.c:208 Code: 56 53 48 89 fb 48 83 c7 18 4c 8b 75 08 4c 89 f6 e8 e6 81 5e f9 48 89 df e8 1e 7b 60 f9 4c 89 f7 be 01 02 00 00 e8 a1 d2 4c f9 <5b> 41 5e 5d c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 RSP: 0018:ffffc90002107a18 EFLAGS: 00000286 RAX: 0000000080000000 RBX: ffffc9000dd19048 RCX: ffffffff815bda87 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8880a6c76e84 RBP: ffffc90002107a28 R08: ffff8880a6c76e98 R09: fffffbfff13ccf32 R10: fffffbfff13ccf32 R11: 0000000000000000 R12: dffffc0000000000 R13: ffffc9000dd19048 R14: ffffffff86a38d98 R15: ffffc9000dd1902c FS: 000000000233f880(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600400 CR3: 000000009f9ec000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: spin_unlock_bh include/linux/spinlock.h:383 [inline] htable_selective_cleanup net/netfilter/xt_hashlimit.c:387 [inline] htable_destroy net/netfilter/xt_hashlimit.c:422 [inline] htable_put+0x4f8/0x620 net/netfilter/xt_hashlimit.c:449 hashlimit_mt_destroy+0x5b/0x70 net/netfilter/xt_hashlimit.c:985 cleanup_match net/ipv4/netfilter/ip_tables.c:460 [inline] find_check_entry net/ipv4/netfilter/ip_tables.c:564 [inline] translate_table+0x1b2b/0x2230 net/ipv4/netfilter/ip_tables.c:717 do_replace net/ipv4/netfilter/ip_tables.c:1136 [inline] do_ipt_set_ctl+0x2c3/0x550 net/ipv4/netfilter/ip_tables.c:1672 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x27a/0x2a0 net/netfilter/nf_sockopt.c:115 ip_setsockopt+0xd8/0xf0 net/ipv4/ip_sockglue.c:1260 tcp_setsockopt+0xbe/0xd0 net/ipv4/tcp.c:3158 sock_common_setsockopt+0x99/0xb0 net/core/sock.c:3149 __sys_setsockopt+0x582/0x720 net/socket.c:2117 __do_sys_setsockopt net/socket.c:2133 [inline] __se_sys_setsockopt net/socket.c:2130 [inline] __x64_sys_setsockopt+0xbf/0xd0 net/socket.c:2130 do_syscall_64+0xf7/0x1c0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441b39 Code: e8 ac e8 ff ff 48 83 c4 18 c3 0f 1f 80 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 ff 0f 83 eb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffec225f868 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441b39 RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 RBP: 00000000006cc018 R08: 00000000000003a0 R09: 00000000004002c8 R10: 0000000020000440 R11: 0000000000000246 R12: 00000000004028b0 R13: 0000000000402940 R14: 0000000000000000 R15: 0000000000000000