EXT4-fs (loop1): orphan cleanup on readonly fs
EXT4-fs error (device loop1): ext4_orphan_get:1266: comm syz-executor.1: bad orphan inode 33554432
EXT4-fs (loop1): mounted filesystem without journal. Opts: noload,,errors=continue
INFO: task syz-executor.0:14743 blocked for more than 140 seconds.
      Not tainted 4.14.230-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0  D29672 14743   7971 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x88b/0x1de0 kernel/sched/core.c:3384
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 schedule_timeout+0x80a/0xe90 kernel/time/timer.c:1724
 do_wait_for_common kernel/sched/completion.c:91 [inline]
 __wait_for_common kernel/sched/completion.c:112 [inline]
 wait_for_common+0x272/0x430 kernel/sched/completion.c:123
 af_alg_wait_for_completion crypto/af_alg.c:495 [inline]
 af_alg_wait_for_completion+0x33/0xa0 crypto/af_alg.c:490
 _aead_recvmsg crypto/algif_aead.c:315 [inline]
 aead_recvmsg+0x13f4/0x1d70 crypto/algif_aead.c:336
 sock_recvmsg_nosec net/socket.c:819 [inline]
 sock_recvmsg net/socket.c:826 [inline]
 sock_recvmsg+0xc0/0x100 net/socket.c:822
 ___sys_recvmsg+0x20b/0x4d0 net/socket.c:2221
 __sys_recvmsg+0xa0/0x120 net/socket.c:2266
 SYSC_recvmsg net/socket.c:2278 [inline]
 SyS_recvmsg+0x27/0x40 net/socket.c:2273
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x466459
RSP: 002b:00007f3558b7f188 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000004
RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007ffdc75d953f R14: 00007f3558b7f300 R15: 0000000000022000

Showing all locks held in the system:
1 lock held by khungtaskd/1534:
 #0:  (tasklist_lock){.+.+}, at: [<ffffffff87007097>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4548
1 lock held by syz-executor.0/14743:
 #0:  (sk_lock-AF_ALG){+.+.}, at: [<ffffffff8301bdc6>] lock_sock include/net/sock.h:1471 [inline]
 #0:  (sk_lock-AF_ALG){+.+.}, at: [<ffffffff8301bdc6>] af_alg_wait_for_data+0x1c6/0x440 crypto/af_alg.c:802

=============================================

NMI backtrace for cpu 0
CPU: 0 PID: 1534 Comm: khungtaskd Not tainted 4.14.230-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
 nmi_cpu_backtrace.cold+0x57/0x93 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x13a/0x180 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:140 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:195 [inline]
 watchdog+0x5b9/0xb40 kernel/hung_task.c:274
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4616 Comm: systemd-journal Not tainted 4.14.230-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880a1b90640 task.stack: ffff8880a1b98000
RIP: 0010:__sanitizer_cov_trace_pc+0x23/0x50 kernel/kcov.c:68
RSP: 0018:ffff8880a1b9fa40 EFLAGS: 00000246
RAX: ffff8880a1b90640 RBX: dffffc0000000000 RCX: ffff8880a1b9fe68
RDX: 0000000000000000 RSI: ffffc90001951030 RDI: ffffc90001951052
RBP: ffff8880a1b9fb58 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff878f0020
R13: 1ffff11014373f50 R14: ffffc900019510c0 R15: 00000000c000003e
FS:  00007f265c2038c0(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f265968d000 CR3: 00000000a19de000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ___bpf_prog_run+0x7c/0x5a70 kernel/bpf/core.c:959
Code: 90 90 90 90 90 90 90 90 65 48 8b 04 25 80 df 01 00 48 85 c0 74 1a 65 8b 15 8b b9 ac 7e 81 e2 00 01 1f 00 75 0b 8b 90 58 13 00 00 <83> fa 01 74 01 c3 48 8b 34 24 48 8b 88 60 13 00 00 8b 80 5c 13