audit: type=1400 audit(1581586149.626:37): avc: denied { map } for pid=8119 comm="syz-executor853" path="/root/syz-executor853016945" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 INFO: task syz-executor853:8127 blocked for more than 140 seconds. Not tainted 4.19.103-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor853 D28216 8127 8123 0x00000004 Call Trace: context_switch kernel/sched/core.c:2826 [inline] __schedule+0x866/0x1dc0 kernel/sched/core.c:3515 schedule+0x92/0x1c0 kernel/sched/core.c:3559 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3617 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 hashlimit_mt_check_common.isra.0+0x341/0x1500 net/netfilter/xt_hashlimit.c:897 hashlimit_mt_check_v1+0x325/0x3ab net/netfilter/xt_hashlimit.c:926 xt_check_match+0x280/0x690 net/netfilter/x_tables.c:506 check_match net/ipv4/netfilter/ip_tables.c:475 [inline] find_check_match net/ipv4/netfilter/ip_tables.c:491 [inline] find_check_entry.isra.0+0x32f/0x920 net/ipv4/netfilter/ip_tables.c:541 translate_table+0xcb4/0x17d0 net/ipv4/netfilter/ip_tables.c:720 do_replace net/ipv4/netfilter/ip_tables.c:1139 [inline] do_ipt_set_ctl+0x2ef/0x492 net/ipv4/netfilter/ip_tables.c:1675 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x77/0xd0 net/netfilter/nf_sockopt.c:115 ip_setsockopt net/ipv4/ip_sockglue.c:1258 [inline] ip_setsockopt+0xdf/0x100 net/ipv4/ip_sockglue.c:1238 tcp_setsockopt net/ipv4/tcp.c:3082 [inline] tcp_setsockopt+0x8f/0xe0 net/ipv4/tcp.c:3076 sock_common_setsockopt+0x94/0xd0 net/core/sock.c:3046 __sys_setsockopt+0x17a/0x280 net/socket.c:1901 __do_sys_setsockopt net/socket.c:1912 [inline] __se_sys_setsockopt net/socket.c:1909 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1909 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441c39 Code: 73 75 70 70 6f 72 74 65 64 20 69 6e 20 63 6f 6d 70 61 74 69 62 69 6c 69 74 79 20 6d 6f 64 65 73 20 30 20 74 6f 20 32 20 2d 20 <69> 67 6e 6f 72 65 64 0a 00 00 00 00 00 00 00 72 73 79 73 6c 6f 67 RSP: 002b:00007ffe74f1e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441c39 RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 RBP: 00000000006cc018 R08: 0000000000000318 R09: 00000000004002c8 R10: 0000000020000540 R11: 0000000000000246 R12: 00000000004029b0 R13: 0000000000402a40 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor853:8128 blocked for more than 140 seconds. Not tainted 4.19.103-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor853 D28216 8128 8121 0x00000004 Call Trace: context_switch kernel/sched/core.c:2826 [inline] __schedule+0x866/0x1dc0 kernel/sched/core.c:3515 schedule+0x92/0x1c0 kernel/sched/core.c:3559 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3617 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 hashlimit_mt_check_common.isra.0+0x341/0x1500 net/netfilter/xt_hashlimit.c:897 hashlimit_mt_check_v1+0x325/0x3ab net/netfilter/xt_hashlimit.c:926 xt_check_match+0x280/0x690 net/netfilter/x_tables.c:506 check_match net/ipv4/netfilter/ip_tables.c:475 [inline] find_check_match net/ipv4/netfilter/ip_tables.c:491 [inline] find_check_entry.isra.0+0x32f/0x920 net/ipv4/netfilter/ip_tables.c:541 translate_table+0xcb4/0x17d0 net/ipv4/netfilter/ip_tables.c:720 do_replace net/ipv4/netfilter/ip_tables.c:1139 [inline] do_ipt_set_ctl+0x2ef/0x492 net/ipv4/netfilter/ip_tables.c:1675 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x77/0xd0 net/netfilter/nf_sockopt.c:115 ip_setsockopt net/ipv4/ip_sockglue.c:1258 [inline] ip_setsockopt+0xdf/0x100 net/ipv4/ip_sockglue.c:1238 tcp_setsockopt net/ipv4/tcp.c:3082 [inline] tcp_setsockopt+0x8f/0xe0 net/ipv4/tcp.c:3076 sock_common_setsockopt+0x94/0xd0 net/core/sock.c:3046 __sys_setsockopt+0x17a/0x280 net/socket.c:1901 __do_sys_setsockopt net/socket.c:1912 [inline] __se_sys_setsockopt net/socket.c:1909 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1909 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441c39 Code: 73 75 70 70 6f 72 74 65 64 20 69 6e 20 63 6f 6d 70 61 74 69 62 69 6c 69 74 79 20 6d 6f 64 65 73 20 30 20 74 6f 20 32 20 2d 20 <69> 67 6e 6f 72 65 64 0a 00 00 00 00 00 00 00 72 73 79 73 6c 6f 67 RSP: 002b:00007ffe74f1e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441c39 RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 RBP: 00000000006cc018 R08: 0000000000000318 R09: 00000000004002c8 R10: 0000000020000540 R11: 0000000000000246 R12: 00000000004029b0 R13: 0000000000402a40 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor853:8129 blocked for more than 140 seconds. Not tainted 4.19.103-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor853 D28216 8129 8124 0x00000004 Call Trace: context_switch kernel/sched/core.c:2826 [inline] __schedule+0x866/0x1dc0 kernel/sched/core.c:3515 schedule+0x92/0x1c0 kernel/sched/core.c:3559 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3617 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 hashlimit_mt_check_common.isra.0+0x341/0x1500 net/netfilter/xt_hashlimit.c:897 hashlimit_mt_check_v1+0x325/0x3ab net/netfilter/xt_hashlimit.c:926 xt_check_match+0x280/0x690 net/netfilter/x_tables.c:506 check_match net/ipv4/netfilter/ip_tables.c:475 [inline] find_check_match net/ipv4/netfilter/ip_tables.c:491 [inline] find_check_entry.isra.0+0x32f/0x920 net/ipv4/netfilter/ip_tables.c:541 translate_table+0xcb4/0x17d0 net/ipv4/netfilter/ip_tables.c:720 do_replace net/ipv4/netfilter/ip_tables.c:1139 [inline] do_ipt_set_ctl+0x2ef/0x492 net/ipv4/netfilter/ip_tables.c:1675 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x77/0xd0 net/netfilter/nf_sockopt.c:115 ip_setsockopt net/ipv4/ip_sockglue.c:1258 [inline] ip_setsockopt+0xdf/0x100 net/ipv4/ip_sockglue.c:1238 tcp_setsockopt net/ipv4/tcp.c:3082 [inline] tcp_setsockopt+0x8f/0xe0 net/ipv4/tcp.c:3076 sock_common_setsockopt+0x94/0xd0 net/core/sock.c:3046 __sys_setsockopt+0x17a/0x280 net/socket.c:1901 __do_sys_setsockopt net/socket.c:1912 [inline] __se_sys_setsockopt net/socket.c:1909 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1909 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441c39 Code: 73 75 70 70 6f 72 74 65 64 20 69 6e 20 63 6f 6d 70 61 74 69 62 69 6c 69 74 79 20 6d 6f 64 65 73 20 30 20 74 6f 20 32 20 2d 20 <69> 67 6e 6f 72 65 64 0a 00 00 00 00 00 00 00 72 73 79 73 6c 6f 67 RSP: 002b:00007ffe74f1e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441c39 RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 RBP: 00000000006cc018 R08: 0000000000000318 R09: 00000000004002c8 R10: 0000000020000540 R11: 0000000000000246 R12: 00000000004029b0 R13: 0000000000402a40 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor853:8130 blocked for more than 140 seconds. Not tainted 4.19.103-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor853 D28216 8130 8122 0x00000004 Call Trace: context_switch kernel/sched/core.c:2826 [inline] __schedule+0x866/0x1dc0 kernel/sched/core.c:3515 schedule+0x92/0x1c0 kernel/sched/core.c:3559 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3617 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 hashlimit_mt_check_common.isra.0+0x341/0x1500 net/netfilter/xt_hashlimit.c:897 hashlimit_mt_check_v1+0x325/0x3ab net/netfilter/xt_hashlimit.c:926 xt_check_match+0x280/0x690 net/netfilter/x_tables.c:506 check_match net/ipv4/netfilter/ip_tables.c:475 [inline] find_check_match net/ipv4/netfilter/ip_tables.c:491 [inline] find_check_entry.isra.0+0x32f/0x920 net/ipv4/netfilter/ip_tables.c:541 translate_table+0xcb4/0x17d0 net/ipv4/netfilter/ip_tables.c:720 do_replace net/ipv4/netfilter/ip_tables.c:1139 [inline] do_ipt_set_ctl+0x2ef/0x492 net/ipv4/netfilter/ip_tables.c:1675 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x77/0xd0 net/netfilter/nf_sockopt.c:115 ip_setsockopt net/ipv4/ip_sockglue.c:1258 [inline] ip_setsockopt+0xdf/0x100 net/ipv4/ip_sockglue.c:1238 tcp_setsockopt net/ipv4/tcp.c:3082 [inline] tcp_setsockopt+0x8f/0xe0 net/ipv4/tcp.c:3076 sock_common_setsockopt+0x94/0xd0 net/core/sock.c:3046 __sys_setsockopt+0x17a/0x280 net/socket.c:1901 __do_sys_setsockopt net/socket.c:1912 [inline] __se_sys_setsockopt net/socket.c:1909 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1909 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441c39 Code: 73 75 70 70 6f 72 74 65 64 20 69 6e 20 63 6f 6d 70 61 74 69 62 69 6c 69 74 79 20 6d 6f 64 65 73 20 30 20 74 6f 20 32 20 2d 20 <69> 67 6e 6f 72 65 64 0a 00 00 00 00 00 00 00 72 73 79 73 6c 6f 67 RSP: 002b:00007ffe74f1e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441c39 RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 RBP: 00000000006cc018 R08: 0000000000000318 R09: 00000000004002c8 R10: 0000000020000540 R11: 0000000000000246 R12: 00000000004029b0 R13: 0000000000402a40 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor853:8131 blocked for more than 140 seconds. Not tainted 4.19.103-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor853 D28216 8131 8120 0x00000004 Call Trace: context_switch kernel/sched/core.c:2826 [inline] __schedule+0x866/0x1dc0 kernel/sched/core.c:3515 schedule+0x92/0x1c0 kernel/sched/core.c:3559 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3617 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 hashlimit_mt_check_common.isra.0+0x341/0x1500 net/netfilter/xt_hashlimit.c:897 hashlimit_mt_check_v1+0x325/0x3ab net/netfilter/xt_hashlimit.c:926 xt_check_match+0x280/0x690 net/netfilter/x_tables.c:506 check_match net/ipv4/netfilter/ip_tables.c:475 [inline] find_check_match net/ipv4/netfilter/ip_tables.c:491 [inline] find_check_entry.isra.0+0x32f/0x920 net/ipv4/netfilter/ip_tables.c:541 translate_table+0xcb4/0x17d0 net/ipv4/netfilter/ip_tables.c:720 do_replace net/ipv4/netfilter/ip_tables.c:1139 [inline] do_ipt_set_ctl+0x2ef/0x492 net/ipv4/netfilter/ip_tables.c:1675 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x77/0xd0 net/netfilter/nf_sockopt.c:115 ip_setsockopt net/ipv4/ip_sockglue.c:1258 [inline] ip_setsockopt+0xdf/0x100 net/ipv4/ip_sockglue.c:1238 tcp_setsockopt net/ipv4/tcp.c:3082 [inline] tcp_setsockopt+0x8f/0xe0 net/ipv4/tcp.c:3076 sock_common_setsockopt+0x94/0xd0 net/core/sock.c:3046 __sys_setsockopt+0x17a/0x280 net/socket.c:1901 __do_sys_setsockopt net/socket.c:1912 [inline] __se_sys_setsockopt net/socket.c:1909 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1909 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441c39 Code: 73 75 70 70 6f 72 74 65 64 20 69 6e 20 63 6f 6d 70 61 74 69 62 69 6c 69 74 79 20 6d 6f 64 65 73 20 30 20 74 6f 20 32 20 2d 20 <69> 67 6e 6f 72 65 64 0a 00 00 00 00 00 00 00 72 73 79 73 6c 6f 67 RSP: 002b:00007ffe74f1e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441c39 RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 RBP: 00000000006cc018 R08: 0000000000000318 R09: 00000000004002c8 R10: 0000000020000540 R11: 0000000000000246 R12: 00000000004029b0 R13: 0000000000402a40 R14: 0000000000000000 R15: 0000000000000000 Showing all locks held in the system: 1 lock held by khungtaskd/1079: #0: 0000000044c8ff75 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e kernel/locking/lockdep.c:4438 3 locks held by rs:main Q:Reg/7968: #0: 000000008c18a93d (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1817 [inline] #0: 000000008c18a93d (&rq->lock){-.-.}, at: __schedule+0x1f8/0x1dc0 kernel/sched/core.c:3453 #1: 0000000044c8ff75 (rcu_read_lock){....}, at: file_start_write include/linux/fs.h:2775 [inline] #1: 0000000044c8ff75 (rcu_read_lock){....}, at: vfs_write+0x429/0x560 fs/read_write.c:548 #2: 0000000044c8ff75 (rcu_read_lock){....}, at: inode_trylock include/linux/fs.h:767 [inline] #2: 0000000044c8ff75 (rcu_read_lock){....}, at: ext4_file_write_iter+0x23f/0x1060 fs/ext4/file.c:236 1 lock held by rsyslogd/7970: #0: 00000000ef8f2a85 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 fs/file.c:767 2 locks held by getty/8092: #0: 00000000aa508422 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:362 #1: 00000000dd41eb41 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/8093: #0: 000000008fb5df3a (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:362 #1: 0000000044f68f4f (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/8094: #0: 00000000270c72fa (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:362 #1: 000000003e468b04 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/8095: #0: 00000000f3064898 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:362 #1: 00000000b42dd2ea (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/8096: #0: 00000000e7c8408a (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:362 #1: 00000000e9f1f9a8 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/8097: #0: 0000000024c4da74 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:362 #1: 00000000b4b1ef11 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/8098: #0: 000000006168fbc7 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:362 #1: 0000000013156aa1 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 1 lock held by syz-executor853/8126: 1 lock held by syz-executor853/8127: #0: 000000004c6a4b7f (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 net/netfilter/xt_hashlimit.c:897 1 lock held by syz-executor853/8128: #0: 000000004c6a4b7f (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 net/netfilter/xt_hashlimit.c:897 1 lock held by syz-executor853/8129: #0: 000000004c6a4b7f (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 net/netfilter/xt_hashlimit.c:897 1 lock held by syz-executor853/8130: #0: 000000004c6a4b7f (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 net/netfilter/xt_hashlimit.c:897 1 lock held by syz-executor853/8131: #0: 000000004c6a4b7f (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 net/netfilter/xt_hashlimit.c:897 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1079 Comm: khungtaskd Not tainted 4.19.103-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+0x63/0xa4 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1b0/0x1f8 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:203 [inline] watchdog+0x9df/0xee0 kernel/hung_task.c:287 kthread+0x354/0x420 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 8126 Comm: syz-executor853 Not tainted 4.19.103-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x3/0x20 kernel/kcov.c:188 Code: ff 5d c3 0f 1f 40 00 55 0f b7 d6 0f b7 f7 bf 03 00 00 00 48 89 e5 48 8b 4d 08 e8 d8 fe ff ff 5d c3 66 0f 1f 44 00 00 55 89 f2 <89> fe bf 05 00 00 00 48 89 e5 48 8b 4d 08 e8 ba fe ff ff 5d c3 0f RSP: 0018:ffff8880a4d67758 EFLAGS: 00000046 RAX: ffff888087a6e380 RBX: 0000000000000000 RCX: ffffffff817065b6 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff8880a4d67798 R08: ffff888087a6e380 R09: fffff52000bd2c0a R10: fffff52000bd2c09 R11: ffffc90005e9604b R12: ffffffff8609d719 R13: ffff888087a6e380 R14: ffffc90005e96000 R15: 0000000010345371 FS: 0000000000e58880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600400 CR3: 000000008c924000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __local_bh_enable_ip+0x11a/0x270 kernel/softirq.c:171 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:176 [inline] _raw_spin_unlock_bh+0x31/0x40 kernel/locking/spinlock.c:200 spin_unlock_bh include/linux/spinlock.h:374 [inline] htable_selective_cleanup+0x219/0x330 net/netfilter/xt_hashlimit.c:381 htable_destroy net/netfilter/xt_hashlimit.c:416 [inline] htable_put+0x176/0x220 net/netfilter/xt_hashlimit.c:443 hashlimit_mt_destroy_v1+0x50/0x70 net/netfilter/xt_hashlimit.c:972 cleanup_match+0xde/0x170 net/ipv6/netfilter/ip6_tables.c:481 find_check_entry.isra.0+0x454/0x920 net/ipv4/netfilter/ip_tables.c:567 translate_table+0xcb4/0x17d0 net/ipv4/netfilter/ip_tables.c:720 do_replace net/ipv4/netfilter/ip_tables.c:1139 [inline] do_ipt_set_ctl+0x2ef/0x492 net/ipv4/netfilter/ip_tables.c:1675 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x77/0xd0 net/netfilter/nf_sockopt.c:115 ip_setsockopt net/ipv4/ip_sockglue.c:1258 [inline] ip_setsockopt+0xdf/0x100 net/ipv4/ip_sockglue.c:1238 tcp_setsockopt net/ipv4/tcp.c:3082 [inline] tcp_setsockopt+0x8f/0xe0 net/ipv4/tcp.c:3076 sock_common_setsockopt+0x94/0xd0 net/core/sock.c:3046 __sys_setsockopt+0x17a/0x280 net/socket.c:1901 __do_sys_setsockopt net/socket.c:1912 [inline] __se_sys_setsockopt net/socket.c:1909 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1909 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441c39 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:00007ffe74f1e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441c39 RDX: 0000000000000040 RSI: 0004000000000000 RDI: 0000000000000003 RBP: 00000000006cc018 R08: 0000000000000318 R09: 00000000004002c8 R10: 0000000020000540 R11: 0000000000000246 R12: 00000000004029b0 R13: 0000000000402a40 R14: 0000000000000000 R15: 0000000000000000