ip6_tables: ip6tables: counters copy to user failed while replacing table IPVS: ftp: loaded support on port[0] = 21 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 ====================================================== WARNING: possible circular locking dependency detected 4.14.232-syzkaller #0 Not tainted ------------------------------------------------------ kworker/u4:4/2859 is trying to acquire lock: (k-sk_lock-AF_INET){+.+.}, at: [] lock_sock include/net/sock.h:1471 [inline] (k-sk_lock-AF_INET){+.+.}, at: [] do_tcp_setsockopt.constprop.0+0xfb/0x1c10 net/ipv4/tcp.c:2562 but task is already holding lock: ((&(&cp->cp_send_w)->work)){+.+.}, at: [] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 ((&(&cp->cp_send_w)->work)){+.+.}: flush_work+0xad/0x770 kernel/workqueue.c:2889 __cancel_work_timer+0x321/0x460 kernel/workqueue.c:2964 rds_tcp_reset_callbacks+0x18d/0x450 net/rds/tcp.c:167 rds_tcp_accept_one+0x61a/0x8b0 net/rds/tcp_listen.c:194 rds_tcp_accept_worker+0x4d/0x70 net/rds/tcp.c:407 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 -> #0 (k-sk_lock-AF_INET){+.+.}: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 lock_sock_nested+0xb7/0x100 net/core/sock.c:2796 lock_sock include/net/sock.h:1471 [inline] do_tcp_setsockopt.constprop.0+0xfb/0x1c10 net/ipv4/tcp.c:2562 tcp_setsockopt net/ipv4/tcp.c:2830 [inline] tcp_setsockopt+0xa7/0xc0 net/ipv4/tcp.c:2822 kernel_setsockopt+0xfb/0x1b0 net/socket.c:3396 rds_tcp_cork net/rds/tcp_send.c:43 [inline] rds_tcp_xmit_path_prepare+0xaf/0xe0 net/rds/tcp_send.c:50 rds_send_xmit+0x1ae/0x1c00 net/rds/send.c:187 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) rds_send_worker+0x6d/0x240 net/rds/threads.c:189 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116 (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock((&(&cp->cp_send_w)->work)); lock(k-sk_lock-AF_INET); lock((&(&cp->cp_send_w)->work) (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) ); lock(k-sk_lock-AF_INET); *** DEADLOCK *** 2 locks held by kworker/u4:4/2859: #0: ( (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 "%s""krdsd"){+.+.}, at: [] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087 #1: ((&(&cp->cp_send_w)->work)){+.+.}, at: [] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091 stack backtrace: CPU: 0 PID: 2859 Comm: kworker/u4:4 Not tainted 4.14.232-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) Workqueue: krdsd rds_send_worker Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1905 [inline] check_prevs_add kernel/locking/lockdep.c:2022 [inline] validate_chain kernel/locking/lockdep.c:2464 [inline] __lock_acquire+0x2e0e/0x3f20 kernel/locking/lockdep.c:3491 (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 ip6_tables: ip6tables: counters copy to user failed while replacing table lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) lock_sock_nested+0xb7/0x100 net/core/sock.c:2796 lock_sock include/net/sock.h:1471 [inline] do_tcp_setsockopt.constprop.0+0xfb/0x1c10 net/ipv4/tcp.c:2562 tcp_setsockopt net/ipv4/tcp.c:2830 [inline] tcp_setsockopt+0xa7/0xc0 net/ipv4/tcp.c:2822 (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 kernel_setsockopt+0xfb/0x1b0 net/socket.c:3396 rds_tcp_cork net/rds/tcp_send.c:43 [inline] rds_tcp_xmit_path_prepare+0xaf/0xe0 net/rds/tcp_send.c:50 rds_send_xmit+0x1ae/0x1c00 net/rds/send.c:187 rds_send_worker+0x6d/0x240 net/rds/threads.c:189 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 overlayfs: failed to resolve './file0': -2 overlayfs: failed to resolve './file0': -2 audit: type=1800 audit(1620401351.254:9): pid=10068 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.3" name="file0" dev="sda1" ino=13968 res=0 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) audit: type=1804 audit(1620401351.284:10): pid=10068 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir093387223/syzkaller.ksF08B/9/file0" dev="sda1" ino=13968 res=1 (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 ceph: No mds server is up or the cluster is laggy libceph: connect [d::]:6789 error -101 libceph: mon0 [d::]:6789 connect error (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 ceph: No mds server is up or the cluster is laggy (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) libceph: connect [d::]:6789 error -101 (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 libceph: mon0 [d::]:6789 connect error (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) libceph: connect [d::]:6789 error -101 libceph: mon0 [d::]:6789 connect error (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 ceph: No mds server is up or the cluster is laggy (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 ceph: No mds server is up or the cluster is laggy batman_adv: batadv0: Interface deactivated: batadv_slave_0 libceph: connect [d::]:6789 error -101 batman_adv: batadv0: Removing interface: batadv_slave_0 libceph: mon0 [d::]:6789 connect error (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 libceph: connect [d::]:6789 error -101 ceph: No mds server is up or the cluster is laggy (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) ip6_tables: ip6tables: counters copy to user failed while replacing table libceph: mon0 [d::]:6789 connect error (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 ip6_tables: ip6tables: counters copy to user failed while replacing table libceph: connect [d::]:6789 error -101 libceph: mon0 [d::]:6789 connect error ip6_tables: ip6tables: counters copy to user failed while replacing table ip6_tables: ip6tables: counters copy to user failed while replacing table ceph: No mds server is up or the cluster is laggy ip6_tables: ip6tables: counters copy to user failed while replacing table libceph: connect [d::]:6789 error -101 ceph: No mds server is up or the cluster is laggy libceph: mon0 [d::]:6789 connect error ip6_tables: ip6tables: counters copy to user failed while replacing table (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 libceph: connect [d::]:6789 error -101 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) libceph: mon0 [d::]:6789 connect error (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) ceph: No mds server is up or the cluster is laggy libceph: connect [d::]:6789 error -101 libceph: mon0 [d::]:6789 connect error (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 ceph: No mds server is up or the cluster is laggy (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) ceph: No mds server is up or the cluster is laggy (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 libceph: connect [d::]:6789 error -101 libceph: mon0 [d::]:6789 connect error ip6_tables: ip6tables: counters copy to user failed while replacing table ip6_tables: ip6tables: counters copy to user failed while replacing table print_req_error: I/O error, dev loop1, sector 0 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 libceph: connect [d::]:6789 error -101 libceph: mon0 [d::]:6789 connect error libceph: connect [d::]:6789 error -101 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) libceph: mon0 [d::]:6789 connect error (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) ptrace attach of "/root/syz-executor.1"[10241] was attempted by "/root/syz-executor.1"[10242] (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 ceph: No mds server is up or the cluster is laggy (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 ptrace attach of "/root/syz-executor.1"[10266] was attempted by "/root/syz-executor.1"[10267] (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 device lo entered promiscuous mode (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) BTRFS: device fsid f90cac8b-044b-4fa8-8bee-4b8d3da88dc2 devid 1 transid 7 /dev/loop0 EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 audit: type=1800 audit(1620401353.614:11): pid=10344 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.2" name="file0" dev="loop2" ino=17 res=0 audit: type=1804 audit(1620401353.644:12): pid=10344 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir099986520/syzkaller.Joqmqn/11/file0/file0" dev="loop2" ino=17 res=1 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) audit: type=1800 audit(1620401353.644:13): pid=10344 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.2" name="file0" dev="loop2" ino=17 res=0 BTRFS error (device loop0): superblock checksum mismatch (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 audit: type=1804 audit(1620401353.674:14): pid=10344 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.2" name="/root/syzkaller-testdir099986520/syzkaller.Joqmqn/11/file0/file0" dev="loop2" ino=17 res=1 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 audit: type=1804 audit(1620401353.724:15): pid=10344 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir099986520/syzkaller.Joqmqn/11/file0/file0" dev="loop2" ino=17 res=1 audit: type=1804 audit(1620401353.724:16): pid=10365 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.2" name="/root/syzkaller-testdir099986520/syzkaller.Joqmqn/11/file0/file0" dev="loop2" ino=17 res=1 EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue BTRFS error (device loop0): open_ctree failed audit: type=1800 audit(1620401353.954:17): pid=10376 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.2" name="file0" dev="loop2" ino=17 res=0 audit: type=1804 audit(1620401353.984:18): pid=10376 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir099986520/syzkaller.Joqmqn/12/file0/file0" dev="loop2" ino=17 res=1 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 capability: warning: `syz-executor.2' uses 32-bit capabilities (legacy support in use) (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 net_ratelimit: 25 callbacks suppressed ip6_tables: ip6tables: counters copy to user failed while replacing table ip6_tables: ip6tables: counters copy to user failed while replacing table (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 ip6_tables: ip6tables: counters copy to user failed while replacing table xt_limit: Overflow, try lower: 0/0 ip6_tables: ip6tables: counters copy to user failed while replacing table (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 xt_limit: Overflow, try lower: 0/0 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 ip6_tables: ip6tables: counters copy to user failed while replacing table (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 xt_limit: Overflow, try lower: 0/0 ip6_tables: ip6tables: counters copy to user failed while replacing table squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop1 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 ip6_tables: ip6tables: counters copy to user failed while replacing table (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop1 (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 ip6_tables: ip6tables: counters copy to user failed while replacing table squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop1 ip6_tables: ip6tables: counters copy to user failed while replacing table ip6_tables: ip6tables: counters copy to user failed while replacing table (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop1 xt_l2tp: missing protocol rule (udp|l2tpip) FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 10772 Comm: syz-executor.3 Not tainted 4.14.232-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 sock_alloc_inode+0x19/0x250 net/socket.c:251 alloc_inode+0x5d/0x170 fs/inode.c:210 new_inode_pseudo+0x14/0xe0 fs/inode.c:899 sock_alloc+0x3c/0x270 net/socket.c:569 __sock_create+0x8a/0x620 net/socket.c:1239 sock_create net/socket.c:1315 [inline] SYSC_socket net/socket.c:1345 [inline] SyS_socket+0xd1/0x1b0 net/socket.c:1325 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4665f9 RSP: 002b:00007f6d9d842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000000a RBP: 00007f6d9d8421d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcea26fdaf R14: 00007f6d9d842300 R15: 0000000000022000 squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop1 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) xt_l2tp: missing protocol rule (udp|l2tpip) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 xt_l2tp: missing protocol rule (udp|l2tpip) squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop1 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) CPU: 1 PID: 10806 Comm: syz-executor.3 Not tainted 4.14.232-syzkaller #0 (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] sock_alloc_inode+0x5f/0x250 net/socket.c:254 alloc_inode+0x5d/0x170 fs/inode.c:210 new_inode_pseudo+0x14/0xe0 fs/inode.c:899 sock_alloc+0x3c/0x270 net/socket.c:569 __sock_create+0x8a/0x620 net/socket.c:1239 sock_create net/socket.c:1315 [inline] SYSC_socket net/socket.c:1345 [inline] SyS_socket+0xd1/0x1b0 net/socket.c:1325 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4665f9 RSP: 002b:00007f6d9d842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000000a RBP: 00007f6d9d8421d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcea26fdaf R14: 00007f6d9d842300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop1 CPU: 1 PID: 10830 Comm: syz-executor.3 Not tainted 4.14.232-syzkaller #0 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] call_modprobe kernel/kmod.c:80 [inline] __request_module+0x1f6/0x900 kernel/kmod.c:171 inet6_create net/ipv6/af_inet6.c:156 [inline] inet6_create+0xb28/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socket net/socket.c:1345 [inline] SyS_socket+0xd1/0x1b0 net/socket.c:1325 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4665f9 RSP: 002b:00007f6d9d842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000000a RBP: 00007f6d9d8421d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcea26fdaf R14: 00007f6d9d842300 R15: 0000000000022000 xt_l2tp: wrong L2TP version: 0 squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop1 xt_l2tp: wrong L2TP version: 0 xt_l2tp: wrong L2TP version: 0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop1 CPU: 0 PID: 10864 Comm: syz-executor.3 Not tainted 4.14.232-syzkaller #0 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc_track_caller+0x2bc/0x400 mm/slab.c:3735 kstrdup+0x36/0x70 mm/util.c:56 call_modprobe kernel/kmod.c:84 [inline] __request_module+0x214/0x900 kernel/kmod.c:171 inet6_create net/ipv6/af_inet6.c:156 [inline] inet6_create+0xb28/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socket net/socket.c:1345 [inline] SyS_socket+0xd1/0x1b0 net/socket.c:1325 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4665f9 RSP: 002b:00007f6d9d842188 EFLAGS: 00000246 (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000000a RBP: 00007f6d9d8421d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcea26fdaf R14: 00007f6d9d842300 R15: 0000000000022000 xt_l2tp: invalid flags combination: 0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 10900 Comm: syz-executor.3 Not tainted 4.14.232-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] kzalloc include/linux/slab.h:661 [inline] call_usermodehelper_setup+0x73/0x2e0 kernel/umh.c:383 call_modprobe kernel/kmod.c:94 [inline] __request_module+0x30f/0x900 kernel/kmod.c:171 inet6_create net/ipv6/af_inet6.c:156 [inline] inet6_create+0xb28/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socket net/socket.c:1345 [inline] SyS_socket+0xd1/0x1b0 net/socket.c:1325 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4665f9 RSP: 002b:00007f6d9d842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000000a RBP: 00007f6d9d8421d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcea26fdaf R14: 00007f6d9d842300 R15: 0000000000022000 squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop1 xt_l2tp: invalid flags combination: 0 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 xt_l2tp: invalid flags combination: 0 squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop1 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 10937 Comm: syz-executor.3 Not tainted 4.14.232-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] call_modprobe kernel/kmod.c:80 [inline] __request_module+0x1f6/0x900 kernel/kmod.c:171 inet6_create net/ipv6/af_inet6.c:163 [inline] inet6_create+0x9a9/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socket net/socket.c:1345 [inline] SyS_socket+0xd1/0x1b0 net/socket.c:1325 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4665f9 RSP: 002b:00007f6d9d842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000000a RBP: 00007f6d9d8421d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcea26fdaf R14: 00007f6d9d842300 R15: 0000000000022000 squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop1 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 CPU: 0 PID: 10958 Comm: syz-executor.3 Not tainted 4.14.232-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc_track_caller+0x2bc/0x400 mm/slab.c:3735 kstrdup+0x36/0x70 mm/util.c:56 call_modprobe kernel/kmod.c:84 [inline] __request_module+0x214/0x900 kernel/kmod.c:171 inet6_create net/ipv6/af_inet6.c:163 [inline] inet6_create+0x9a9/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socket net/socket.c:1345 [inline] SyS_socket+0xd1/0x1b0 net/socket.c:1325 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4665f9 RSP: 002b:00007f6d9d842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000000a RBP: 00007f6d9d8421d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcea26fdaf R14: 00007f6d9d842300 R15: 0000000000022000 xt_HMARK: hash modulus can't be zero xt_HMARK: hash modulus can't be zero FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 xt_HMARK: hash modulus can't be zero squashfs: SQUASHFS error: unable to read xattr id index table CPU: 0 PID: 10985 Comm: syz-executor.3 Not tainted 4.14.232-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] kzalloc include/linux/slab.h:661 [inline] call_usermodehelper_setup+0x73/0x2e0 kernel/umh.c:383 call_modprobe kernel/kmod.c:94 [inline] __request_module+0x30f/0x900 kernel/kmod.c:171 (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 inet6_create net/ipv6/af_inet6.c:163 [inline] inet6_create+0x9a9/0xe20 net/ipv6/af_inet6.c:110 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socket net/socket.c:1345 [inline] SyS_socket+0xd1/0x1b0 net/socket.c:1325 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4665f9 RSP: 002b:00007f6d9d842188 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000000a RBP: 00007f6d9d8421d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcea26fdaf R14: 00007f6d9d842300 R15: 0000000000022000 squashfs: SQUASHFS error: unable to read xattr id index table squashfs: SQUASHFS error: unable to read xattr id index table squashfs: SQUASHFS error: unable to read xattr id index table squashfs: SQUASHFS error: unable to read xattr id index table squashfs: SQUASHFS error: unable to read xattr id index table (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 squashfs: SQUASHFS error: unable to read xattr id index table (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 squashfs: SQUASHFS error: unable to read xattr id index table (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 squashfs: SQUASHFS error: unable to read xattr id index table squashfs: SQUASHFS error: unable to read xattr id index table (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 squashfs: SQUASHFS error: unable to read xattr id index table squashfs: SQUASHFS error: unable to read xattr id index table squashfs: SQUASHFS error: unable to read xattr id index table squashfs: SQUASHFS error: unable to read xattr id index table (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 squashfs: SQUASHFS error: unable to read xattr id index table squashfs: SQUASHFS error: unable to read xattr id index table netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 (unnamed net_device) (uninitialized): option arp_interval: invalid value (18446744073709551615) squashfs: SQUASHFS error: unable to read xattr id index table (unnamed net_device) (uninitialized): option arp_interval: allowed values 0 - 2147483647 squashfs: SQUASHFS error: unable to read xattr id index table squashfs: SQUASHFS error: unable to read xattr id index table squashfs: SQUASHFS error: unable to read xattr id index table squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop4 squashfs: SQUASHFS error: unable to read xattr id index table