INFO: task syz-executor180:9984 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-executor180 D27792 9984 9959 0x00004004 Call Trace: context_switch kernel/sched/core.c:3386 [inline] __schedule+0x934/0x1f90 kernel/sched/core.c:4082 schedule+0xdc/0x2b0 kernel/sched/core.c:4156 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4215 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x7ab/0x13c0 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 hashlimit_mt_check_common.isra.0+0x341/0x1500 net/netfilter/xt_hashlimit.c:889 hashlimit_mt_check_v2+0x327/0x3b0 net/netfilter/xt_hashlimit.c:936 xt_check_match+0x280/0x690 net/netfilter/x_tables.c:501 check_match net/ipv6/netfilter/ip6_tables.c:489 [inline] find_check_match net/ipv6/netfilter/ip6_tables.c:506 [inline] find_check_entry.isra.0+0x389/0x9d0 net/ipv6/netfilter/ip6_tables.c:557 translate_table+0xd15/0x1860 net/ipv6/netfilter/ip6_tables.c:734 do_replace net/ipv6/netfilter/ip6_tables.c:1153 [inline] do_ip6t_set_ctl+0x2fe/0x4c8 net/ipv6/netfilter/ip6_tables.c:1681 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x77/0xd0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt net/ipv6/ipv6_sockglue.c:949 [inline] ipv6_setsockopt+0x147/0x180 net/ipv6/ipv6_sockglue.c:933 rawv6_setsockopt+0x5e/0x150 net/ipv6/raw.c:1081 sock_common_setsockopt+0x94/0xd0 net/core/sock.c:3149 __sys_setsockopt+0x261/0x4c0 net/socket.c:2130 __do_sys_setsockopt net/socket.c:2146 [inline] __se_sys_setsockopt net/socket.c:2143 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:2143 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x446759 Code: 75 67 49 6e 66 6f 4f 6e 45 78 69 74 20 28 6e 6f 74 20 79 65 74 20 69 6d 70 6c 65 6d 65 6e 74 65 64 29 0a 4e 6f 4c 6f 67 54 69 <6d> 65 73 74 61 6d 70 0a 4e 6f 73 74 64 6f 6f 75 74 0a 66 69 6c 65 RSP: 002b:00007f8a296d6da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446759 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 RBP: 00000000006dbc20 R08: 0000000000000480 R09: 0000000000000000 R10: 0000000020000080 R11: 0000000000000246 R12: 00000000006dbc2c R13: 0000000020000080 R14: 00000000004ae608 R15: 000000000000002d INFO: task syz-executor180:9982 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-executor180 D28664 9982 9960 0x00004004 Call Trace: context_switch kernel/sched/core.c:3386 [inline] __schedule+0x934/0x1f90 kernel/sched/core.c:4082 schedule+0xdc/0x2b0 kernel/sched/core.c:4156 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4215 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x7ab/0x13c0 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 hashlimit_mt_check_common.isra.0+0x341/0x1500 net/netfilter/xt_hashlimit.c:889 hashlimit_mt_check_v2+0x327/0x3b0 net/netfilter/xt_hashlimit.c:936 xt_check_match+0x280/0x690 net/netfilter/x_tables.c:501 check_match net/ipv6/netfilter/ip6_tables.c:489 [inline] find_check_match net/ipv6/netfilter/ip6_tables.c:506 [inline] find_check_entry.isra.0+0x389/0x9d0 net/ipv6/netfilter/ip6_tables.c:557 translate_table+0xd15/0x1860 net/ipv6/netfilter/ip6_tables.c:734 do_replace net/ipv6/netfilter/ip6_tables.c:1153 [inline] do_ip6t_set_ctl+0x2fe/0x4c8 net/ipv6/netfilter/ip6_tables.c:1681 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x77/0xd0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt net/ipv6/ipv6_sockglue.c:949 [inline] ipv6_setsockopt+0x147/0x180 net/ipv6/ipv6_sockglue.c:933 rawv6_setsockopt+0x5e/0x150 net/ipv6/raw.c:1081 sock_common_setsockopt+0x94/0xd0 net/core/sock.c:3149 __sys_setsockopt+0x261/0x4c0 net/socket.c:2130 __do_sys_setsockopt net/socket.c:2146 [inline] __se_sys_setsockopt net/socket.c:2143 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:2143 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x446759 Code: 75 67 49 6e 66 6f 4f 6e 45 78 69 74 20 28 6e 6f 74 20 79 65 74 20 69 6d 70 6c 65 6d 65 6e 74 65 64 29 0a 4e 6f 4c 6f 67 54 69 <6d> 65 73 74 61 6d 70 0a 4e 6f 73 74 64 6f 6f 75 74 0a 66 69 6c 65 RSP: 002b:00007f8a296d6da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446759 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 RBP: 00000000006dbc20 R08: 0000000000000480 R09: 0000000000000000 R10: 0000000020000080 R11: 0000000000000246 R12: 00000000006dbc2c R13: 0000000020000080 R14: 00000000004ae608 R15: 000000000000002d INFO: task syz-executor180:9983 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-executor180 D28104 9983 9963 0x00000004 Call Trace: context_switch kernel/sched/core.c:3386 [inline] __schedule+0x934/0x1f90 kernel/sched/core.c:4082 schedule+0xdc/0x2b0 kernel/sched/core.c:4156 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4215 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x7ab/0x13c0 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 hashlimit_mt_check_common.isra.0+0x341/0x1500 net/netfilter/xt_hashlimit.c:889 hashlimit_mt_check_v2+0x327/0x3b0 net/netfilter/xt_hashlimit.c:936 xt_check_match+0x280/0x690 net/netfilter/x_tables.c:501 check_match net/ipv6/netfilter/ip6_tables.c:489 [inline] find_check_match net/ipv6/netfilter/ip6_tables.c:506 [inline] find_check_entry.isra.0+0x389/0x9d0 net/ipv6/netfilter/ip6_tables.c:557 translate_table+0xd15/0x1860 net/ipv6/netfilter/ip6_tables.c:734 do_replace net/ipv6/netfilter/ip6_tables.c:1153 [inline] do_ip6t_set_ctl+0x2fe/0x4c8 net/ipv6/netfilter/ip6_tables.c:1681 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x77/0xd0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt net/ipv6/ipv6_sockglue.c:949 [inline] ipv6_setsockopt+0x147/0x180 net/ipv6/ipv6_sockglue.c:933 rawv6_setsockopt+0x5e/0x150 net/ipv6/raw.c:1081 sock_common_setsockopt+0x94/0xd0 net/core/sock.c:3149 __sys_setsockopt+0x261/0x4c0 net/socket.c:2130 __do_sys_setsockopt net/socket.c:2146 [inline] __se_sys_setsockopt net/socket.c:2143 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:2143 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x446759 Code: 75 67 49 6e 66 6f 4f 6e 45 78 69 74 20 28 6e 6f 74 20 79 65 74 20 69 6d 70 6c 65 6d 65 6e 74 65 64 29 0a 4e 6f 4c 6f 67 54 69 <6d> 65 73 74 61 6d 70 0a 4e 6f 73 74 64 6f 6f 75 74 0a 66 69 6c 65 RSP: 002b:00007f8a296d6da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446759 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 RBP: 00000000006dbc20 R08: 0000000000000480 R09: 0000000000000000 R10: 0000000020000080 R11: 0000000000000246 R12: 00000000006dbc2c R13: 0000000020000080 R14: 00000000004ae608 R15: 000000000000002d INFO: task syz-executor180:9987 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-executor180 D27384 9987 9964 0x00004004 Call Trace: context_switch kernel/sched/core.c:3386 [inline] __schedule+0x934/0x1f90 kernel/sched/core.c:4082 schedule+0xdc/0x2b0 kernel/sched/core.c:4156 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4215 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x7ab/0x13c0 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 hashlimit_mt_check_common.isra.0+0x341/0x1500 net/netfilter/xt_hashlimit.c:889 hashlimit_mt_check_v2+0x327/0x3b0 net/netfilter/xt_hashlimit.c:936 xt_check_match+0x280/0x690 net/netfilter/x_tables.c:501 check_match net/ipv6/netfilter/ip6_tables.c:489 [inline] find_check_match net/ipv6/netfilter/ip6_tables.c:506 [inline] find_check_entry.isra.0+0x389/0x9d0 net/ipv6/netfilter/ip6_tables.c:557 translate_table+0xd15/0x1860 net/ipv6/netfilter/ip6_tables.c:734 do_replace net/ipv6/netfilter/ip6_tables.c:1153 [inline] do_ip6t_set_ctl+0x2fe/0x4c8 net/ipv6/netfilter/ip6_tables.c:1681 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x77/0xd0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt net/ipv6/ipv6_sockglue.c:949 [inline] ipv6_setsockopt+0x147/0x180 net/ipv6/ipv6_sockglue.c:933 rawv6_setsockopt+0x5e/0x150 net/ipv6/raw.c:1081 sock_common_setsockopt+0x94/0xd0 net/core/sock.c:3149 __sys_setsockopt+0x261/0x4c0 net/socket.c:2130 __do_sys_setsockopt net/socket.c:2146 [inline] __se_sys_setsockopt net/socket.c:2143 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:2143 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x446759 Code: 75 67 49 6e 66 6f 4f 6e 45 78 69 74 20 28 6e 6f 74 20 79 65 74 20 69 6d 70 6c 65 6d 65 6e 74 65 64 29 0a 4e 6f 4c 6f 67 54 69 <6d> 65 73 74 61 6d 70 0a 4e 6f 73 74 64 6f 6f 75 74 0a 66 69 6c 65 RSP: 002b:00007f8a296d6da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446759 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 RBP: 00000000006dbc20 R08: 0000000000000480 R09: 0000000000000000 R10: 0000000020000080 R11: 0000000000000246 R12: 00000000006dbc2c R13: 0000000020000080 R14: 00000000004ae608 R15: 000000000000002d INFO: task syz-executor180:9988 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-executor180 D27792 9988 9962 0x00004004 Call Trace: context_switch kernel/sched/core.c:3386 [inline] __schedule+0x934/0x1f90 kernel/sched/core.c:4082 schedule+0xdc/0x2b0 kernel/sched/core.c:4156 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4215 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x7ab/0x13c0 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 hashlimit_mt_check_common.isra.0+0x341/0x1500 net/netfilter/xt_hashlimit.c:889 hashlimit_mt_check_v2+0x327/0x3b0 net/netfilter/xt_hashlimit.c:936 xt_check_match+0x280/0x690 net/netfilter/x_tables.c:501 check_match net/ipv6/netfilter/ip6_tables.c:489 [inline] find_check_match net/ipv6/netfilter/ip6_tables.c:506 [inline] find_check_entry.isra.0+0x389/0x9d0 net/ipv6/netfilter/ip6_tables.c:557 translate_table+0xd15/0x1860 net/ipv6/netfilter/ip6_tables.c:734 do_replace net/ipv6/netfilter/ip6_tables.c:1153 [inline] do_ip6t_set_ctl+0x2fe/0x4c8 net/ipv6/netfilter/ip6_tables.c:1681 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x77/0xd0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt net/ipv6/ipv6_sockglue.c:949 [inline] ipv6_setsockopt+0x147/0x180 net/ipv6/ipv6_sockglue.c:933 rawv6_setsockopt+0x5e/0x150 net/ipv6/raw.c:1081 sock_common_setsockopt+0x94/0xd0 net/core/sock.c:3149 __sys_setsockopt+0x261/0x4c0 net/socket.c:2130 __do_sys_setsockopt net/socket.c:2146 [inline] __se_sys_setsockopt net/socket.c:2143 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:2143 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x446759 Code: 75 67 49 6e 66 6f 4f 6e 45 78 69 74 20 28 6e 6f 74 20 79 65 74 20 69 6d 70 6c 65 6d 65 6e 74 65 64 29 0a 4e 6f 4c 6f 67 54 69 <6d> 65 73 74 61 6d 70 0a 4e 6f 73 74 64 6f 6f 75 74 0a 66 69 6c 65 RSP: 002b:00007f8a296d6da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446759 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 RBP: 00000000006dbc20 R08: 0000000000000480 R09: 0000000000000000 R10: 0000000020000080 R11: 0000000000000246 R12: 00000000006dbc2c R13: 0000000020000080 R14: 00000000004ae608 R15: 000000000000002d Showing all locks held in the system: 1 lock held by khungtaskd/1137: #0: ffffffff89bac200 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 kernel/locking/lockdep.c:5333 1 lock held by rsyslogd/9839: #0: ffff8880a10e5120 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 fs/file.c:821 2 locks held by getty/9929: #0: ffff888091041090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340 #1: ffffc900061832e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 drivers/tty/n_tty.c:2156 2 locks held by getty/9930: #0: ffff888098bc5090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340 #1: ffffc900061b32e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 drivers/tty/n_tty.c:2156 2 locks held by getty/9931: #0: ffff888091e2b090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340 #1: ffffc900061932e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 drivers/tty/n_tty.c:2156 2 locks held by getty/9932: #0: ffff888098226090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340 #1: ffffc900061b72e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 drivers/tty/n_tty.c:2156 2 locks held by getty/9933: #0: ffff88809006f090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340 #1: ffffc900061bb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 drivers/tty/n_tty.c:2156 2 locks held by getty/9934: #0: ffff8880a3fa6090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340 #1: ffffc900061bf2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 drivers/tty/n_tty.c:2156 2 locks held by getty/9935: #0: ffff8880a6bdf090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340 #1: ffffc900061532e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 drivers/tty/n_tty.c:2156 2 locks held by syz-executor180/9975: 1 lock held by syz-executor180/9984: #0: ffffffff8a7d0e20 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 net/netfilter/xt_hashlimit.c:889 1 lock held by syz-executor180/9982: #0: ffffffff8a7d0e20 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 net/netfilter/xt_hashlimit.c:889 1 lock held by syz-executor180/9983: #0: ffffffff8a7d0e20 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 net/netfilter/xt_hashlimit.c:889 1 lock held by syz-executor180/9987: #0: ffffffff8a7d0e20 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 net/netfilter/xt_hashlimit.c:889 1 lock held by syz-executor180/9988: #0: ffffffff8a7d0e20 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 net/netfilter/xt_hashlimit.c:889 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1137 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+0x197/0x210 lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x70/0xb2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x23b/0x28b lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:205 [inline] watchdog+0xb11/0x10c0 kernel/hung_task.c:289 kthread+0x361/0x430 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 9975 Comm: syz-executor180 Not tainted 5.5.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:lock_release+0x4d9/0x960 kernel/locking/lockdep.c:4492 Code: 08 00 0f 84 7f 01 00 00 48 8b bd 48 ff ff ff 57 9d 0f 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 43 08 00 00 00 00 48 8b 45 d0 65 48 33 04 25 28 00 00 00 0f 85 RSP: 0018:ffffc9000634f6b8 EFLAGS: 00000282 RAX: dffffc0000000000 RBX: fffff52000c69edc RCX: 1ffff11014d449d1 RDX: dffffc0000000000 RSI: 1ffff11014d449d8 RDI: 0000000000000282 RBP: ffffc9000634f788 R08: 0000000000000002 R09: ffff8880a6a24e90 R10: fffffbfff154b110 R11: ffffffff8aa58887 R12: ffff8880a6a24600 R13: ffffffff868a2362 R14: ffffc9000634f760 R15: ffff8880a6a24600 FS: 00007f8a296d7700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000006db0c0 CR3: 00000000a0611000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:174 [inline] _raw_spin_unlock_bh+0x16/0x30 kernel/locking/spinlock.c:207 spin_unlock_bh include/linux/spinlock.h:383 [inline] htable_selective_cleanup+0x232/0x340 net/netfilter/xt_hashlimit.c:373 htable_destroy net/netfilter/xt_hashlimit.c:408 [inline] htable_put+0x174/0x220 net/netfilter/xt_hashlimit.c:435 hashlimit_mt_destroy_v2+0x56/0x70 net/netfilter/xt_hashlimit.c:957 cleanup_match+0xde/0x170 net/ipv6/netfilter/ip6_tables.c:478 find_check_entry.isra.0+0x4da/0x9d0 net/ipv6/netfilter/ip6_tables.c:582 translate_table+0xd15/0x1860 net/ipv6/netfilter/ip6_tables.c:734 do_replace net/ipv6/netfilter/ip6_tables.c:1153 [inline] do_ip6t_set_ctl+0x2fe/0x4c8 net/ipv6/netfilter/ip6_tables.c:1681 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x77/0xd0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt net/ipv6/ipv6_sockglue.c:949 [inline] ipv6_setsockopt+0x147/0x180 net/ipv6/ipv6_sockglue.c:933 rawv6_setsockopt+0x5e/0x150 net/ipv6/raw.c:1081 sock_common_setsockopt+0x94/0xd0 net/core/sock.c:3149 __sys_setsockopt+0x261/0x4c0 net/socket.c:2130 __do_sys_setsockopt net/socket.c:2146 [inline] __se_sys_setsockopt net/socket.c:2143 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:2143 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x446759 Code: e8 0c 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 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f8a296d6da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446759 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 RBP: 00000000006dbc20 R08: 0000000000000480 R09: 0000000000000000 R10: 0000000020000080 R11: 0000000000000246 R12: 00000000006dbc2c R13: 0000000020000080 R14: 00000000004ae608 R15: 000000000000002d