EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue ===================================================== WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected 4.14.210-syzkaller #0 Not tainted ----------------------------------------------------- syz-executor.0/24744 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire: (hugetlb_lock){+.+.}, at: [] spin_lock include/linux/spinlock.h:317 [inline] (hugetlb_lock){+.+.}, at: [] free_huge_page+0x5ab/0x7f0 mm/hugetlb.c:1291 audit: type=1804 audit(1607310931.119:49): pid=24827 uid=0 auid=0 ses=4 op="invalid_pcr" cause="ToMToU" comm="syz-executor.3" name="/root/syzkaller-testdir013065303/syzkaller.6x5xU4/316/bus" dev="sda1" ino=16761 res=1 and this task is already holding: (slock-AF_INET){+.-.}, at: [] spin_lock include/linux/spinlock.h:317 [inline] (slock-AF_INET){+.-.}, at: [] tcp_close+0x540/0xed0 net/ipv4/tcp.c:2234 which would create a new lock dependency: (slock-AF_INET){+.-.} -> (hugetlb_lock){+.+.} but this new dependency connects a SOFTIRQ-irq-safe lock: (slock-AF_INET){+.-.} ... which became SOFTIRQ-irq-safe at: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:152 spin_lock include/linux/spinlock.h:317 [inline] sk_clone_lock+0x3cf/0x11e0 net/core/sock.c:1666 inet_csk_clone_lock+0x1e/0x3f0 net/ipv4/inet_connection_sock.c:815 tcp_create_openreq_child+0x2c/0x1880 net/ipv4/tcp_minisocks.c:437 tcp_v4_syn_recv_sock+0xa8/0xf80 net/ipv4/tcp_ipv4.c:1358 tcp_check_req+0x4c1/0x1460 net/ipv4/tcp_minisocks.c:764 tcp_v4_rcv+0x1c36/0x3560 net/ipv4/tcp_ipv4.c:1701 ip_local_deliver_finish+0x3f2/0xab0 net/ipv4/ip_input.c:216 NF_HOOK include/linux/netfilter.h:250 [inline] ip_local_deliver+0x167/0x460 net/ipv4/ip_input.c:257 dst_input include/net/dst.h:476 [inline] ip_rcv_finish+0x6e3/0x19f0 net/ipv4/ip_input.c:396 NF_HOOK include/linux/netfilter.h:250 [inline] ip_rcv+0x8a7/0xf01 net/ipv4/ip_input.c:493 __netif_receive_skb_core+0x15ee/0x2a30 net/core/dev.c:4474 __netif_receive_skb+0x27/0x1a0 net/core/dev.c:4512 netif_receive_skb_internal+0xd7/0x580 net/core/dev.c:4585 napi_skb_finish net/core/dev.c:4946 [inline] napi_gro_receive+0x2e2/0x400 net/core/dev.c:4977 receive_buf+0x5ef/0x4810 drivers/net/virtio_net.c:852 virtnet_receive drivers/net/virtio_net.c:1098 [inline] virtnet_poll+0x4b7/0x960 drivers/net/virtio_net.c:1189 napi_poll net/core/dev.c:5596 [inline] net_rx_action+0x466/0xfd0 net/core/dev.c:5662 __do_softirq+0x254/0xa1d kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x193/0x240 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] do_IRQ+0x112/0x1d0 arch/x86/kernel/irq.c:242 ret_from_intr+0x0/0x1e to a SOFTIRQ-irq-unsafe lock: (hugetlb_lock){+.+.} ... which became SOFTIRQ-irq-unsafe at: ... lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:152 spin_lock include/linux/spinlock.h:317 [inline] hugetlb_overcommit_handler+0x283/0x400 mm/hugetlb.c:2992 proc_sys_call_handler.isra.0+0x1ba/0x340 fs/proc/proc_sysctl.c:598 __vfs_write+0xe4/0x630 fs/read_write.c:480 vfs_write+0x17f/0x4d0 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xf2/0x210 fs/read_write.c:582 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb other info that might help us debug this: Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(hugetlb_lock); local_irq_disable(); lock(slock-AF_INET); lock(hugetlb_lock); lock(slock-AF_INET); *** DEADLOCK *** 3 locks held by syz-executor.0/24744: #0: (&sb->s_type->i_mutex_key#13){+.+.}, at: [] inode_lock include/linux/fs.h:719 [inline] #0: (&sb->s_type->i_mutex_key#13){+.+.}, at: [] __sock_release+0x86/0x2b0 net/socket.c:601 #1: (sk_lock-AF_INET){+.+.}, at: [] lock_sock include/net/sock.h:1471 [inline] #1: (sk_lock-AF_INET){+.+.}, at: [] tcp_close+0x25/0xed0 net/ipv4/tcp.c:2144 #2: (slock-AF_INET){+.-.}, at: [] spin_lock include/linux/spinlock.h:317 [inline] #2: (slock-AF_INET){+.-.}, at: [] tcp_close+0x540/0xed0 net/ipv4/tcp.c:2234 the dependencies between SOFTIRQ-irq-safe lock and the holding lock: -> (slock-AF_INET){+.-.} ops: 1059605 { HARDIRQ-ON-W at: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:176 spin_lock_bh include/linux/spinlock.h:322 [inline] lock_sock_nested+0x39/0x100 net/core/sock.c:2788 lock_sock include/net/sock.h:1471 [inline] inet_autobind+0x1a/0x180 net/ipv4/af_inet.c:178 inet_dgram_connect+0x134/0x1f0 net/ipv4/af_inet.c:538 SYSC_connect net/socket.c:1655 [inline] SyS_connect+0x1f4/0x240 net/socket.c:1636 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb IN-SOFTIRQ-W at: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:152 spin_lock include/linux/spinlock.h:317 [inline] sk_clone_lock+0x3cf/0x11e0 net/core/sock.c:1666 inet_csk_clone_lock+0x1e/0x3f0 net/ipv4/inet_connection_sock.c:815 tcp_create_openreq_child+0x2c/0x1880 net/ipv4/tcp_minisocks.c:437 tcp_v4_syn_recv_sock+0xa8/0xf80 net/ipv4/tcp_ipv4.c:1358 tcp_check_req+0x4c1/0x1460 net/ipv4/tcp_minisocks.c:764 tcp_v4_rcv+0x1c36/0x3560 net/ipv4/tcp_ipv4.c:1701 ip_local_deliver_finish+0x3f2/0xab0 net/ipv4/ip_input.c:216 NF_HOOK include/linux/netfilter.h:250 [inline] ip_local_deliver+0x167/0x460 net/ipv4/ip_input.c:257 dst_input include/net/dst.h:476 [inline] ip_rcv_finish+0x6e3/0x19f0 net/ipv4/ip_input.c:396 NF_HOOK include/linux/netfilter.h:250 [inline] ip_rcv+0x8a7/0xf01 net/ipv4/ip_input.c:493 __netif_receive_skb_core+0x15ee/0x2a30 net/core/dev.c:4474 __netif_receive_skb+0x27/0x1a0 net/core/dev.c:4512 netif_receive_skb_internal+0xd7/0x580 net/core/dev.c:4585 napi_skb_finish net/core/dev.c:4946 [inline] napi_gro_receive+0x2e2/0x400 net/core/dev.c:4977 receive_buf+0x5ef/0x4810 drivers/net/virtio_net.c:852 virtnet_receive drivers/net/virtio_net.c:1098 [inline] virtnet_poll+0x4b7/0x960 drivers/net/virtio_net.c:1189 napi_poll net/core/dev.c:5596 [inline] net_rx_action+0x466/0xfd0 net/core/dev.c:5662 __do_softirq+0x254/0xa1d kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x193/0x240 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] do_IRQ+0x112/0x1d0 arch/x86/kernel/irq.c:242 ret_from_intr+0x0/0x1e INITIAL USE at: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:176 spin_lock_bh include/linux/spinlock.h:322 [inline] lock_sock_nested+0x39/0x100 net/core/sock.c:2788 lock_sock include/net/sock.h:1471 [inline] inet_autobind+0x1a/0x180 net/ipv4/af_inet.c:178 inet_dgram_connect+0x134/0x1f0 net/ipv4/af_inet.c:538 SYSC_connect net/socket.c:1655 [inline] SyS_connect+0x1f4/0x240 net/socket.c:1636 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb } ... key at: [] af_family_slock_keys+0x10/0x180 ... acquired at: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:152 spin_lock include/linux/spinlock.h:317 [inline] free_huge_page+0x5ab/0x7f0 mm/hugetlb.c:1291 __put_page+0xb9/0x2f0 mm/swap.c:111 put_page include/linux/mm.h:875 [inline] __skb_frag_unref include/linux/skbuff.h:2813 [inline] skb_release_data+0x25a/0x820 net/core/skbuff.c:568 skb_release_all net/core/skbuff.c:631 [inline] __kfree_skb+0x46/0x60 net/core/skbuff.c:645 sk_wmem_free_skb include/net/sock.h:1425 [inline] tcp_write_queue_purge include/net/tcp.h:1631 [inline] tcp_v4_destroy_sock+0x223/0x920 net/ipv4/tcp_ipv4.c:1904 inet_csk_destroy_sock+0x169/0x400 net/ipv4/inet_connection_sock.c:866 tcp_close+0x85e/0xed0 net/ipv4/tcp.c:2298 inet_release+0xdf/0x1b0 net/ipv4/af_inet.c:425 __sock_release+0xcd/0x2b0 net/socket.c:602 sock_close+0x15/0x20 net/socket.c:1139 __fput+0x25f/0x7a0 fs/file_table.c:210 task_work_run+0x11f/0x190 kernel/task_work.c:113 get_signal+0x18a3/0x1ca0 kernel/signal.c:2234 do_signal+0x7c/0x1550 arch/x86/kernel/signal.c:814 exit_to_usermode_loop+0x160/0x200 arch/x86/entry/common.c:160 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x46/0xbb the dependencies between the lock to be acquired and SOFTIRQ-irq-unsafe lock: -> (hugetlb_lock){+.+.} ops: 2948 { HARDIRQ-ON-W at: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:152 spin_lock include/linux/spinlock.h:317 [inline] hugetlb_overcommit_handler+0x283/0x400 mm/hugetlb.c:2992 proc_sys_call_handler.isra.0+0x1ba/0x340 fs/proc/proc_sysctl.c:598 __vfs_write+0xe4/0x630 fs/read_write.c:480 vfs_write+0x17f/0x4d0 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xf2/0x210 fs/read_write.c:582 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb SOFTIRQ-ON-W at: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:152 spin_lock include/linux/spinlock.h:317 [inline] hugetlb_overcommit_handler+0x283/0x400 mm/hugetlb.c:2992 proc_sys_call_handler.isra.0+0x1ba/0x340 fs/proc/proc_sysctl.c:598 __vfs_write+0xe4/0x630 fs/read_write.c:480 vfs_write+0x17f/0x4d0 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xf2/0x210 fs/read_write.c:582 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb INITIAL USE at: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:152 spin_lock include/linux/spinlock.h:317 [inline] hugetlb_overcommit_handler+0x283/0x400 mm/hugetlb.c:2992 proc_sys_call_handler.isra.0+0x1ba/0x340 fs/proc/proc_sysctl.c:598 __vfs_write+0xe4/0x630 fs/read_write.c:480 vfs_write+0x17f/0x4d0 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xf2/0x210 fs/read_write.c:582 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb } ... key at: [] hugetlb_lock+0x18/0x15e0 ... acquired at: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:152 spin_lock include/linux/spinlock.h:317 [inline] free_huge_page+0x5ab/0x7f0 mm/hugetlb.c:1291 __put_page+0xb9/0x2f0 mm/swap.c:111 put_page include/linux/mm.h:875 [inline] __skb_frag_unref include/linux/skbuff.h:2813 [inline] skb_release_data+0x25a/0x820 net/core/skbuff.c:568 skb_release_all net/core/skbuff.c:631 [inline] __kfree_skb+0x46/0x60 net/core/skbuff.c:645 sk_wmem_free_skb include/net/sock.h:1425 [inline] tcp_write_queue_purge include/net/tcp.h:1631 [inline] tcp_v4_destroy_sock+0x223/0x920 net/ipv4/tcp_ipv4.c:1904 inet_csk_destroy_sock+0x169/0x400 net/ipv4/inet_connection_sock.c:866 tcp_close+0x85e/0xed0 net/ipv4/tcp.c:2298 inet_release+0xdf/0x1b0 net/ipv4/af_inet.c:425 __sock_release+0xcd/0x2b0 net/socket.c:602 sock_close+0x15/0x20 net/socket.c:1139 __fput+0x25f/0x7a0 fs/file_table.c:210 task_work_run+0x11f/0x190 kernel/task_work.c:113 get_signal+0x18a3/0x1ca0 kernel/signal.c:2234 do_signal+0x7c/0x1550 arch/x86/kernel/signal.c:814 exit_to_usermode_loop+0x160/0x200 arch/x86/entry/common.c:160 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x46/0xbb stack backtrace: CPU: 0 PID: 24744 Comm: syz-executor.0 Not tainted 4.14.210-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+0x1b2/0x283 lib/dump_stack.c:58 print_bad_irq_dependency kernel/locking/lockdep.c:1609 [inline] check_usage.cold+0x806/0xbe6 kernel/locking/lockdep.c:1641 check_irq_usage kernel/locking/lockdep.c:1697 [inline] check_prev_add_irq kernel/locking/lockdep_states.h:8 [inline] check_prev_add kernel/locking/lockdep.c:1910 [inline] check_prevs_add kernel/locking/lockdep.c:2022 [inline] validate_chain kernel/locking/lockdep.c:2464 [inline] __lock_acquire+0x1cfc/0x3f20 kernel/locking/lockdep.c:3491 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:152 spin_lock include/linux/spinlock.h:317 [inline] free_huge_page+0x5ab/0x7f0 mm/hugetlb.c:1291 __put_page+0xb9/0x2f0 mm/swap.c:111 put_page include/linux/mm.h:875 [inline] __skb_frag_unref include/linux/skbuff.h:2813 [inline] skb_release_data+0x25a/0x820 net/core/skbuff.c:568 skb_release_all net/core/skbuff.c:631 [inline] __kfree_skb+0x46/0x60 net/core/skbuff.c:645 sk_wmem_free_skb include/net/sock.h:1425 [inline] tcp_write_queue_purge include/net/tcp.h:1631 [inline] tcp_v4_destroy_sock+0x223/0x920 net/ipv4/tcp_ipv4.c:1904 inet_csk_destroy_sock+0x169/0x400 net/ipv4/inet_connection_sock.c:866 tcp_close+0x85e/0xed0 net/ipv4/tcp.c:2298 inet_release+0xdf/0x1b0 net/ipv4/af_inet.c:425 __sock_release+0xcd/0x2b0 net/socket.c:602 sock_close+0x15/0x20 net/socket.c:1139 __fput+0x25f/0x7a0 fs/file_table.c:210 task_work_run+0x11f/0x190 kernel/task_work.c:113 get_signal+0x18a3/0x1ca0 kernel/signal.c:2234 do_signal+0x7c/0x1550 arch/x86/kernel/signal.c:814 exit_to_usermode_loop+0x160/0x200 arch/x86/entry/common.c:160 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e0f9 RSP: 002b:00007f6dcafadc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: 00000000004807b8 RBX: 0000000000000006 RCX: 000000000045e0f9 RDX: ffffffffffffffd0 RSI: 0000000020000140 RDI: 000000000000000a RBP: 000000000119bfd8 R08: 0000000000000000 R09: ffffffffffffff36 R10: 000000000401c005 R11: 0000000000000246 R12: 000000000119bf8c R13: 00007ffc6ab94fdf R14: 00007f6dcafae9c0 R15: 000000000119bf8c EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue nla_parse: 5 callbacks suppressed netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. base_sock_release(ffff888037d41100) sk=ffff888093e155c0 base_sock_release(ffff888037d58180) sk=ffff888056d500c0 audit: type=1804 audit(1607310932.659:50): pid=24863 uid=0 auid=0 ses=4 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir013065303/syzkaller.6x5xU4/317/bus" dev="sda1" ino=16791 res=1 base_sock_release(ffff88804c287080) sk=ffff8880b2a0b700 audit: type=1804 audit(1607310932.709:51): pid=24866 uid=0 auid=0 ses=4 op="invalid_pcr" cause="ToMToU" comm="syz-executor.3" name="/root/syzkaller-testdir013065303/syzkaller.6x5xU4/317/bus" dev="sda1" ino=16791 res=1 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue print_req_error: I/O error, dev loop0, sector 0 base_sock_release(ffff888037ccba00) sk=ffff8880570d2400 print_req_error: I/O error, dev loop0, sector 0 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. base_sock_release(ffff88808eb00540) sk=ffff88805b2c6c80 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. Unknown ioctl -1067691200 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. base_sock_release(ffff88804c2ff5c0) sk=ffff88804b46f400 base_sock_release(ffff88805649e680) sk=ffff8880561beb40 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. base_sock_release(ffff88804c0481c0) sk=ffff8880b42b3400 Unknown ioctl -1067691200 base_sock_release(ffff8880567f70c0) sk=ffff8880582c3680 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. base_sock_release(ffff8880566374c0) sk=ffff888057486340 EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. base_sock_release(ffff88804c01e5c0) sk=ffff88809c8e4340 base_sock_release(ffff88805658e9c0) sk=ffff8880a1b7e1c0 EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue base_sock_release(ffff8880565dfb00) sk=ffff8880a22b0bc0 base_sock_release(ffff88804c116980) sk=ffff8880934d2600 EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue base_sock_release(ffff8880565df200) sk=ffff888053868e80 base_sock_release(ffff88804c2ae040) sk=ffff888058804e00 EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue base_sock_release(ffff88808dbbe900) sk=ffff888051e73280 base_sock_release(ffff888094fc2080) sk=ffff8880aa10ac00 base_sock_release(ffff888056446040) sk=ffff888051308880 base_sock_release(ffff888094e6db00) sk=ffff888058c92580 EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue base_sock_release(ffff88804c29da40) sk=ffff8880b35b52c0 base_sock_release(ffff88804c09e180) sk=ffff8880545d8100 base_sock_release(ffff88808eb28500) sk=ffff88808d0f0e80 base_sock_release(ffff888056596900) sk=ffff88803b012b80 base_sock_release(ffff8880567b0100) sk=ffff88809657f340 base_sock_release(ffff8880564e0980) sk=ffff88809d2f71c0 base_sock_release(ffff8880566ed140) sk=ffff8880aafc4300 base_sock_release(ffff88804c31b9c0) sk=ffff88805b2394c0 base_sock_release(ffff88804c012640) sk=ffff888058e55640 EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue base_sock_release(ffff8880564c6600) sk=ffff8880578a2140 base_sock_release(ffff888056469a40) sk=ffff8880572be5c0 nla_parse: 23 callbacks suppressed netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. base_sock_release(ffff888056448100) sk=ffff888057d241c0 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. base_sock_release(ffff8880a7f965c0) sk=ffff88804f8e0d40 EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. base_sock_release(ffff88805654fa80) sk=ffff88804d94b680 base_sock_release(ffff8880a0089a00) sk=ffff88804d94ae00 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. base_sock_release(ffff8880566215c0) sk=ffff88809a3383c0 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. base_sock_release(ffff888056588680) sk=ffff8880979d2980 EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. base_sock_release(ffff88803afc7940) sk=ffff8880980f1680 base_sock_release(ffff8880565eea80) sk=ffff8880578fc280 print_req_error: I/O error, dev loop2, sector 0 base_sock_release(ffff88803aed6a40) sk=ffff8880955f7100 EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue base_sock_release(ffff88803af699c0) sk=ffff8880b31b4500 EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue base_sock_release(ffff888036b67500) sk=ffff8880570c54c0 base_sock_release(ffff8880564f9100) sk=ffff8880aa43d6c0 print_req_error: I/O error, dev loop2, sector 0 base_sock_release(ffff888037c40080) sk=ffff8880abae16c0 base_sock_release(ffff888097dc7a80) sk=ffff8880a1147340 print_req_error: I/O error, dev loop2, sector 0 base_sock_release(ffff888037d37140) sk=ffff888099ac7340 EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue base_sock_release(ffff888037d59640) sk=ffff888098326ac0