./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor805041614

<...>
[   28.495694][ T4648] dhcpcd-run-hook (4648) used greatest stack depth: 16320 bytes left
forked to background, child pid 4644
[   30.362768][ T4645] 8021q: adding VLAN 0 to HW filter on device bond0
[   30.372660][ T4645] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.0.61' (ECDSA) to the list of known hosts.
execve("./syz-executor805041614", ["./syz-executor805041614"], 0x7fffaa5f7cb0 /* 10 vars */) = 0
brk(NULL)                               = 0x5555567b3000
brk(0x5555567b3c40)                     = 0x5555567b3c40
arch_prctl(ARCH_SET_FS, 0x5555567b3300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor805041614", 4096) = 27
brk(0x5555567d4c40)                     = 0x5555567d4c40
brk(0x5555567d5000)                     = 0x5555567d5000
mprotect(0x7f852d952000, 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 5067 attached
, child_tidptr=0x5555567b35d0) = 5067
[pid  5067] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5067] setsid()                    = 1
[pid  5067] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5067] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5067] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5067] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5067] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5067] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5067] unshare(CLONE_NEWNS)        = 0
[pid  5067] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5067] unshare(CLONE_NEWIPC)       = 0
[pid  5067] unshare(CLONE_NEWCGROUP)    = 0
[pid  5067] unshare(CLONE_NEWUTS)       = 0
[pid  5067] unshare(CLONE_SYSVSEM)      = 0
[pid  5067] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5067] write(3, "16777216", 8)     = 8
[pid  5067] close(3)                    = 0
[pid  5067] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5067] write(3, "536870912", 9)    = 9
[pid  5067] close(3)                    = 0
[pid  5067] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5067] write(3, "1024", 4)         = 4
[pid  5067] close(3)                    = 0
[pid  5067] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5067] write(3, "8192", 4)         = 4
[pid  5067] close(3)                    = 0
[pid  5067] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5067] write(3, "1024", 4)         = 4
[pid  5067] close(3)                    = 0
[pid  5067] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5067] write(3, "1024", 4)         = 4
[pid  5067] close(3)                    = 0
[pid  5067] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5067] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5067] close(3)                    = 0
[pid  5067] getpid()                    = 1
[pid  5067] 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  5067] 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  5067] unshare(CLONE_NEWNET)       = 0
[pid  5067] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5067] write(3, "0 65535", 7)      = 7
[pid  5067] close(3)                    = 0
[pid  5067] mkdir("/dev/binderfs", 0777) = 0
[pid  5067] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  5067] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5067] memfd_create("syzkaller", 0) = 3
[pid  5067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8525460000
[pid  5067] 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  5067] munmap(0x7f8525460000, 16777216) = 0
[pid  5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5067] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5067] close(3)                    = 0
[pid  5067] mkdir("./file0", 0777)      = 0
syzkaller login: [   51.731538][ T5067] loop0: detected capacity change from 0 to 32768
[   51.744291][ T5067] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[   51.752692][ T5067] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[   51.769450][ T5067] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms
[   51.778350][  T897] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[   51.785293][  T897] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[   51.815883][  T897] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 30ms
[   51.823732][  T897] gfs2: fsid=syz:syz.0: jid=0: Done
[   51.829029][ T5067] gfs2: fsid=syz:syz.0: first mount done, others may mount
[pid  5067] mount("/dev/loop0", "./file0", "gfs2", 0, "") = 0
[pid  5067] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5067] chdir("./file0")            = 0
[pid  5067] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5067] close(4)                    = 0
[pid  5067] exit_group(1)               = ?
[   52.022191][ T5067] gfs2: fsid=syz:syz.0: found 2 quota changes
[   52.069565][ T5067] gfs2: fsid=syz:syz.0: original: gfs2_quota_sync+0x3da/0x8b0
[   52.077274][ T5067] gfs2: fsid=syz:syz.0: pid: 5067
[   52.082319][ T5067] gfs2: fsid=syz:syz.0: lock type: 8 req lock state : 1
[   52.089236][ T5067] gfs2: fsid=syz:syz.0: new: gfs2_quota_sync+0x3da/0x8b0
[   52.096285][ T5067] gfs2: fsid=syz:syz.0: pid: 5067
[   52.101334][ T5067] gfs2: fsid=syz:syz.0: lock type: 8 req lock state : 1
[   52.108275][ T5067] 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
[   52.117069][ T5067] gfs2: fsid=syz:syz.0:  H: s:EX f:cH e:0 p:5067 [syz-executor805] gfs2_quota_sync+0x3da/0x8b0
[   52.127729][ T5067] ------------[ cut here ]------------
[   52.133219][ T5067] kernel BUG at fs/gfs2/glock.c:1560!
[   52.138665][ T5067] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   52.144713][ T5067] CPU: 1 PID: 5067 Comm: syz-executor805 Not tainted 6.1.0-syzkaller-13031-g77856d911a8c #0
[   52.154756][ T5067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[   52.164797][ T5067] RIP: 0010:gfs2_glock_nq+0x1661/0x1890
[   52.170337][ T5067] Code: 0f b7 4d 00 48 c7 c7 a0 9c 3c 8b 48 8b 74 24 20 89 da 31 c0 e8 d0 1d e4 06 31 ff 48 8b 74 24 28 ba 01 00 00 00 e8 ff 7a ff ff <0f> 0b 89 d9 80 e1 07 fe c1 38 c1 0f 8c 94 ee ff ff 48 89 df e8 e6
[   52.189933][ T5067] RSP: 0018:ffffc90003bdf878 EFLAGS: 00010246
[   52.195989][ T5067] RAX: fced41e22843fe00 RBX: 0000000000000008 RCX: ffff88807bfc9d40
[   52.203950][ T5067] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
[   52.211908][ T5067] RBP: ffff8880247cc85a R08: ffffffff83b99f52 R09: fffffbfff1d2c9e6
[   52.219864][ T5067] R10: fffffbfff1d2c9e6 R11: 1ffffffff1d2c9e5 R12: ffff8880247cc838
[   52.227821][ T5067] R13: ffff8880752fa920 R14: ffff8880247cc830 R15: 1ffff110048f9903
[   52.235867][ T5067] FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[   52.244781][ T5067] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.251350][ T5067] CR2: 000055dd33c5a128 CR3: 000000002811c000 CR4: 00000000003506e0
[   52.259323][ T5067] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   52.267301][ T5067] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   52.275296][ T5067] Call Trace:
[   52.278603][ T5067]  <TASK>
[   52.281536][ T5067]  do_sync+0x3b1/0xc80
[   52.285610][ T5067]  ? gfs2_quota_sync+0x3da/0x8b0
[   52.290544][ T5067]  ? slot_put+0x1f0/0x1f0
[   52.294871][ T5067]  ? do_raw_spin_lock+0x147/0x3a0
[   52.299889][ T5067]  ? __lock_acquire+0x1f60/0x1f60
[   52.304909][ T5067]  ? do_raw_spin_unlock+0x134/0x8a0
[   52.310100][ T5067]  ? qd_check_sync+0xba/0x3f0
[   52.314771][ T5067]  gfs2_quota_sync+0x3da/0x8b0
[   52.319531][ T5067]  gfs2_sync_fs+0x49/0xb0
[   52.323852][ T5067]  sync_filesystem+0xe8/0x220
[   52.328521][ T5067]  generic_shutdown_super+0x6b/0x310
[   52.333836][ T5067]  kill_block_super+0x79/0xd0
[   52.338505][ T5067]  deactivate_locked_super+0xa7/0xf0
[   52.343781][ T5067]  cleanup_mnt+0x494/0x520
[   52.348185][ T5067]  ? lockdep_hardirqs_on+0x8d/0x130
[   52.353373][ T5067]  task_work_run+0x243/0x300
[   52.357975][ T5067]  ? task_work_cancel+0x290/0x290
[   52.362990][ T5067]  ? do_exit+0x63f/0x2150
[   52.367336][ T5067]  do_exit+0x644/0x2150
[   52.371488][ T5067]  ? mm_update_next_owner+0x6d0/0x6d0
[   52.376851][ T5067]  ? print_irqtrace_events+0x220/0x220
[   52.382315][ T5067]  ? _raw_spin_unlock_irq+0x1f/0x40
[   52.387515][ T5067]  ? lockdep_hardirqs_on+0x8d/0x130
[   52.392709][ T5067]  do_group_exit+0x1fd/0x2b0
[   52.397297][ T5067]  __x64_sys_exit_group+0x3b/0x40
[   52.402318][ T5067]  do_syscall_64+0x3d/0xb0
[   52.406742][ T5067]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   52.412629][ T5067] RIP: 0033:0x7f852d8ab979
[   52.417122][ T5067] Code: Unable to access opcode bytes at 0x7f852d8ab94f.
[   52.424122][ T5067] RSP: 002b:00007ffe571053e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   52.432523][ T5067] RAX: ffffffffffffffda RBX: 00007f852d958330 RCX: 00007f852d8ab979
[   52.440504][ T5067] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   52.448470][ T5067] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000037f49
[   52.456432][ T5067] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f852d958330
[   52.464400][ T5067] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[   52.472372][ T5067]  </TASK>
[   52.475382][ T5067] Modules linked in:
[   52.479540][ T5067] ---[ end trace 0000000000000000 ]---
[   52.485027][ T5067] RIP: 0010:gfs2_glock_nq+0x1661/0x1890
[   52.490583][ T5067] Code: 0f b7 4d 00 48 c7 c7 a0 9c 3c 8b 48 8b 74 24 20 89 da 31 c0 e8 d0 1d e4 06 31 ff 48 8b 74 24 28 ba 01 00 00 00 e8 ff 7a ff ff <0f> 0b 89 d9 80 e1 07 fe c1 38 c1 0f 8c 94 ee ff ff 48 89 df e8 e6
[   52.510207][ T5067] RSP: 0018:ffffc90003bdf878 EFLAGS: 00010246
[   52.516287][ T5067] RAX: fced41e22843fe00 RBX: 0000000000000008 RCX: ffff88807bfc9d40
[   52.524284][ T5067] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
[   52.532280][ T5067] RBP: ffff8880247cc85a R08: ffffffff83b99f52 R09: fffffbfff1d2c9e6
[   52.540262][ T5067] R10: fffffbfff1d2c9e6 R11: 1ffffffff1d2c9e5 R12: ffff8880247cc838
[   52.548255][ T5067] R13: ffff8880752fa920 R14: ffff8880247cc830 R15: 1ffff110048f9903
[   52.556270][ T5067] FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[   52.565252][ T5067] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.571878][ T5067] CR2: 000055dd33c5a128 CR3: 000000002811c000 CR4: 00000000003506e0
[   52.579847][ T5067] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   52.587930][ T5067] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   52.595939][ T5067] Kernel panic - not syncing: Fatal exception
[   52.602149][ T5067] Kernel Offset: disabled
[   52.606464][ T5067] Rebooting in 86400 seconds..