./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor813678284

<...>
forked to background, child pid 4653
[   51.696306][ T4654] 8021q: adding VLAN 0 to HW filter on device bond0
[   51.719385][ T4654] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: [   52.286022][ T4747] sshd (4747) used greatest stack depth: 22320 bytes left
OK

syzkaller
Warning: Permanently added '10.128.0.67' (ECDSA) to the list of known hosts.
execve("./syz-executor813678284", ["./syz-executor813678284"], 0x7fff9eabee50 /* 10 vars */) = 0
brk(NULL)                               = 0x555556a45000
brk(0x555556a45c40)                     = 0x555556a45c40
arch_prctl(ARCH_SET_FS, 0x555556a45300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor813678284", 4096) = 27
brk(0x555556a66c40)                     = 0x555556a66c40
brk(0x555556a67000)                     = 0x555556a67000
mprotect(0x7ffa77d61000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5079 attached
, child_tidptr=0x555556a455d0) = 5079
[pid  5079] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5079] setsid()                    = 1
[pid  5079] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5079] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5079] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5079] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5079] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5079] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5079] unshare(CLONE_NEWNS)        = 0
[pid  5079] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5079] unshare(CLONE_NEWIPC)       = 0
[pid  5079] unshare(CLONE_NEWCGROUP)    = 0
[pid  5079] unshare(CLONE_NEWUTS)       = 0
[pid  5079] unshare(CLONE_SYSVSEM)      = 0
[pid  5079] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5079] write(3, "16777216", 8)     = 8
[pid  5079] close(3)                    = 0
[pid  5079] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5079] write(3, "536870912", 9)    = 9
[pid  5079] close(3)                    = 0
[pid  5079] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5079] write(3, "1024", 4)         = 4
[pid  5079] close(3)                    = 0
[pid  5079] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5079] write(3, "8192", 4)         = 4
[pid  5079] close(3)                    = 0
[pid  5079] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5079] write(3, "1024", 4)         = 4
[pid  5079] close(3)                    = 0
[pid  5079] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5079] write(3, "1024", 4)         = 4
[pid  5079] close(3)                    = 0
[pid  5079] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5079] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5079] close(3)                    = 0
[pid  5079] getpid()                    = 1
[pid  5079] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5079] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5079] unshare(CLONE_NEWNET)       = 0
[pid  5079] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5079] write(3, "0 65535", 7)      = 7
[pid  5079] close(3)                    = 0
[pid  5079] mkdir("/dev/binderfs", 0777) = 0
[pid  5079] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  5079] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5079] memfd_create("syzkaller", 0) = 3
[pid  5079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ffa6f86f000
syzkaller login: [   81.767857][ T5079] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5079 'syz-executor813'
[pid  5079] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5079] munmap(0x7ffa6f86f000, 16777216) = 0
[pid  5079] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5079] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5079] close(3)                    = 0
[pid  5079] mkdir("./file0", 0777)      = 0
[   82.026374][ T5079] loop0: detected capacity change from 0 to 32768
[   82.043017][ T5079] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[   82.051506][ T5079] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[   82.074762][ T5079] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms
[   82.084363][ T4768] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[   82.091916][ T4768] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[   82.142364][ T4768] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 50ms
[   82.152592][ T4768] gfs2: fsid=syz:syz.0: jid=0: Done
[   82.158440][ T5079] gfs2: fsid=syz:syz.0: first mount done, others may mount
[pid  5079] mount("/dev/loop0", "./file0", "gfs2", 0, "") = 0
[pid  5079] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5079] chdir("./file0")            = 0
[pid  5079] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5079] close(4)                    = 0
[pid  5079] exit_group(1)               = ?
[   82.396444][ T5079] gfs2: fsid=syz:syz.0: found 2 quota changes
[   82.442128][ T5079] gfs2: fsid=syz:syz.0: original: gfs2_quota_sync+0x2e6/0x660
[   82.449961][ T5079] gfs2: fsid=syz:syz.0: pid: 5079
[   82.455026][ T5079] gfs2: fsid=syz:syz.0: lock type: 8 req lock state : 1
[   82.462500][ T5079] gfs2: fsid=syz:syz.0: new: gfs2_quota_sync+0x2e6/0x660
[   82.469610][ T5079] gfs2: fsid=syz:syz.0: pid: 5079
[   82.474633][ T5079] gfs2: fsid=syz:syz.0: lock type: 8 req lock state : 1
[   82.481618][ T5079] gfs2: fsid=syz:syz.0: G:  s:EX n:8/1 f:qb t:EX d:EX/0 a:0 v:0 r:5 m:20 p:0
[   82.490454][ T5079] gfs2: fsid=syz:syz.0:  H: s:EX f:cH e:0 p:5079 [syz-executor813] gfs2_quota_sync+0x2e6/0x660
[   82.501392][ T5079] ------------[ cut here ]------------
[   82.506937][ T5079] kernel BUG at fs/gfs2/glock.c:1551!
[   82.512347][ T5079] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   82.518424][ T5079] CPU: 0 PID: 5079 Comm: syz-executor813 Not tainted 6.2.0-rc7-next-20230208-syzkaller #0
[   82.528324][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
[   82.538380][ T5079] RIP: 0010:gfs2_glock_nq+0xa2a/0x17a0
[   82.543851][ T5079] Code: 3c 03 0f 8e fd 0c 00 00 8b 53 18 4c 89 e6 48 c7 c7 60 d8 97 8a e8 96 81 ce fd 48 8b 34 24 ba 01 00 00 00 31 ff e8 56 55 ff ff <0f> 0b 4c 8b 7c 24 18 e8 ca a8 ea fd 48 89 ef be 01 00 00 00 e8 3d
[   82.563470][ T5079] RSP: 0000:ffffc90003e8f920 EFLAGS: 00010286
[   82.569554][ T5079] RAX: 0000000000000000 RBX: ffff888076e19900 RCX: 0000000000000000
[   82.577554][ T5079] RDX: ffff88807d5c9d40 RSI: ffffffff839931cb RDI: ffffffff8a980f90
[   82.585537][ T5079] RBP: ffff88802ab37238 R08: 0000000000000001 R09: 0000000000000000
[   82.593528][ T5079] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88802251d278
[   82.601512][ T5079] R13: 00000000000013d7 R14: ffff88802ab37200 R15: ffff88802ab37222
[   82.609498][ T5079] FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[   82.618458][ T5079] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   82.625070][ T5079] CR2: 000056516e563000 CR3: 000000002beb3000 CR4: 00000000003506f0
[   82.633084][ T5079] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   82.641074][ T5079] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   82.649060][ T5079] Call Trace:
[   82.652346][ T5079]  <TASK>
[   82.655313][ T5079]  ? __gfs2_holder_init+0x18b/0x2f0
[   82.660544][ T5079]  do_sync+0x4b9/0xcf0
[   82.664641][ T5079]  ? gfs2_qa_put+0x160/0x160
[   82.669255][ T5079]  ? gfs2_quota_sync+0x3f5/0x660
[   82.674682][ T5079]  ? lock_downgrade+0x690/0x690
[   82.679568][ T5079]  ? do_raw_spin_lock+0x124/0x2b0
[   82.684630][ T5079]  ? spin_bug+0x1c0/0x1c0
[   82.689013][ T5079]  gfs2_quota_sync+0x2e6/0x660
[   82.693808][ T5079]  gfs2_sync_fs+0x44/0xb0
[   82.698170][ T5079]  ? rgrp_unlock_local+0x20/0x20
[   82.703132][ T5079]  sync_filesystem.part.0+0x75/0x1d0
[   82.708467][ T5079]  sync_filesystem+0x8f/0xc0
[   82.713089][ T5079]  generic_shutdown_super+0x74/0x480
[   82.718400][ T5079]  kill_block_super+0x9b/0xf0
[   82.723089][ T5079]  gfs2_kill_sb+0x378/0x430
[   82.727609][ T5079]  ? rcu_read_lock_sched_held+0x3e/0x70
[   82.733188][ T5079]  deactivate_locked_super+0x98/0x160
[   82.738582][ T5079]  deactivate_super+0xb1/0xd0
[   82.743281][ T5079]  cleanup_mnt+0x2ae/0x3d0
[   82.747717][ T5079]  task_work_run+0x16f/0x270
[   82.752341][ T5079]  ? task_work_cancel+0x30/0x30
[   82.757241][ T5079]  do_exit+0xb42/0x2b60
[   82.761410][ T5079]  ? mm_update_next_owner+0x7b0/0x7b0
[   82.766795][ T5079]  ? _raw_spin_unlock_irq+0x23/0x50
[   82.772041][ T5079]  do_group_exit+0xd4/0x2a0
[   82.776588][ T5079]  __x64_sys_exit_group+0x3e/0x50
[   82.781668][ T5079]  do_syscall_64+0x39/0xb0
[   82.786150][ T5079]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   82.792078][ T5079] RIP: 0033:0x7ffa77cba999
[   82.796510][ T5079] Code: Unable to access opcode bytes at 0x7ffa77cba96f.
[   82.803540][ T5079] RSP: 002b:00007fff211ff5b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   82.811978][ T5079] RAX: ffffffffffffffda RBX: 00007ffa77d67330 RCX: 00007ffa77cba999
[   82.819968][ T5079] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   82.827955][ T5079] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000037f49
[   82.835950][ T5079] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffa77d67330
[   82.843947][ T5079] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[   82.851948][ T5079]  </TASK>
[   82.854973][ T5079] Modules linked in:
[   82.858920][ T5079] ---[ end trace 0000000000000000 ]---
[   82.864399][ T5079] RIP: 0010:gfs2_glock_nq+0xa2a/0x17a0
[   82.869938][ T5079] Code: 3c 03 0f 8e fd 0c 00 00 8b 53 18 4c 89 e6 48 c7 c7 60 d8 97 8a e8 96 81 ce fd 48 8b 34 24 ba 01 00 00 00 31 ff e8 56 55 ff ff <0f> 0b 4c 8b 7c 24 18 e8 ca a8 ea fd 48 89 ef be 01 00 00 00 e8 3d
[   82.889609][ T5079] RSP: 0000:ffffc90003e8f920 EFLAGS: 00010286
[   82.895699][ T5079] RAX: 0000000000000000 RBX: ffff888076e19900 RCX: 0000000000000000
[   82.903710][ T5079] RDX: ffff88807d5c9d40 RSI: ffffffff839931cb RDI: ffffffff8a980f90
[   82.911722][ T5079] RBP: ffff88802ab37238 R08: 0000000000000001 R09: 0000000000000000
[   82.919725][ T5079] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88802251d278
[   82.927737][ T5079] R13: 00000000000013d7 R14: ffff88802ab37200 R15: ffff88802ab37222
[   82.935716][ T5079] FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[   82.944695][ T5079] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   82.951314][ T5079] CR2: 000056516e563000 CR3: 000000002beb3000 CR4: 00000000003506f0
[   82.959313][ T5079] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   82.967317][ T5079] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   82.975289][ T5079] Kernel panic - not syncing: Fatal exception
[   82.981573][ T5079] Kernel Offset: disabled
[   82.985903][ T5079] Rebooting in 86400 seconds..