./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3236620725

<...>
no interfaces have a carrier
forked to background, child pid 3185
[   26.322995][ T3186] 8021q: adding VLAN 0 to HW filter on device bond0
[   26.339926][ T3186] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.0.230' (ECDSA) to the list of known hosts.
execve("./syz-executor3236620725", ["./syz-executor3236620725"], 0x7fff53747e70 /* 10 vars */) = 0
brk(NULL)                               = 0x555555ed8000
brk(0x555555ed8c40)                     = 0x555555ed8c40
arch_prctl(ARCH_SET_FS, 0x555555ed8300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor3236620725", 4096) = 28
brk(0x555555ef9c40)                     = 0x555555ef9c40
brk(0x555555efa000)                     = 0x555555efa000
mprotect(0x7ffb27bf6000, 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 3608 attached
, child_tidptr=0x555555ed85d0) = 3608
[pid  3608] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  3608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3608] setsid()                    = 1
[pid  3608] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  3608] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  3608] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  3608] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  3608] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0
[pid  3608] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  3608] unshare(CLONE_NEWNS)        = 0
[pid  3608] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  3608] unshare(CLONE_NEWIPC)       = 0
[pid  3608] unshare(CLONE_NEWCGROUP)    = 0
[pid  3608] unshare(CLONE_NEWUTS)       = 0
[pid  3608] unshare(CLONE_SYSVSEM)      = 0
[pid  3608] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  3608] write(3, "16777216", 8)     = 8
[pid  3608] close(3)                    = 0
[pid  3608] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  3608] write(3, "536870912", 9)    = 9
[pid  3608] close(3)                    = 0
[pid  3608] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  3608] write(3, "1024", 4)         = 4
[pid  3608] close(3)                    = 0
[pid  3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  3608] write(3, "8192", 4)         = 4
[pid  3608] close(3)                    = 0
[pid  3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  3608] write(3, "1024", 4)         = 4
[pid  3608] close(3)                    = 0
[pid  3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  3608] write(3, "1024", 4)         = 4
[pid  3608] close(3)                    = 0
[pid  3608] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  3608] write(3, "1024 1048576 500 1024", 21) = 21
[pid  3608] close(3)                    = 0
[pid  3608] getpid()                    = 1
[pid  3608] 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  3608] 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  3608] unshare(CLONE_NEWNET)       = 0
[pid  3608] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  3608] write(3, "0 65535", 7)      = 7
[pid  3608] close(3)                    = 0
[pid  3608] mkdir("/dev/binderfs", 0777) = 0
[pid  3608] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  3608] symlink("/dev/binderfs", "./binderfs") = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3609 attached
, child_tidptr=0x555555ed85d0) = 2
[pid  3609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3609] setpgid(0, 0)               = 0
[pid  3609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3609] write(3, "1000", 4)         = 4
[pid  3609] close(3)                    = 0
[pid  3609] openat(AT_FDCWD, "./binderfs/binder0", O_RDONLY) = 3
[pid  3609] openat(AT_FDCWD, "/sys/kernel/debug/binder/stats", O_RDONLY) = 4
syzkaller login: [   49.028835][ T3609] general protection fault, probably for non-canonical address 0xdffffc0000000025: 0000 [#1] PREEMPT SMP KASAN
[   49.040580][ T3609] KASAN: null-ptr-deref in range [0x0000000000000128-0x000000000000012f]
[   49.048977][ T3609] CPU: 0 PID: 3609 Comm: syz-executor323 Not tainted 6.0.0-rc1-next-20220817-syzkaller #0
[   49.058852][ T3609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
[   49.068904][ T3609] RIP: 0010:__lock_acquire+0xd83/0x56d0
[   49.074441][ T3609] Code: 9b 0e 41 bf 01 00 00 00 0f 86 c8 00 00 00 89 05 63 56 9b 0e e9 bd 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 4e 31 00 00 49 81 3e 60 84 51 8f 0f 84 4c f3 ff
[   49.094042][ T3609] RSP: 0018:ffffc900038df6a0 EFLAGS: 00010002
[   49.100091][ T3609] RAX: dffffc0000000000 RBX: 1ffff9200071bf03 RCX: 0000000000000001
[   49.108048][ T3609] RDX: 0000000000000025 RSI: 0000000000000000 RDI: 0000000000000001
[   49.116010][ T3609] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[   49.123985][ T3609] R10: fffffbfff1bbd60a R11: 0000000000000000 R12: 0000000000000000
[   49.131945][ T3609] R13: ffff888026b68000 R14: 0000000000000128 R15: 0000000000000001
[   49.139912][ T3609] FS:  0000555555ed8300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
[   49.148846][ T3609] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.155415][ T3609] CR2: 00007ffb27bfa130 CR3: 000000001e324000 CR4: 00000000003506f0
[   49.163373][ T3609] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   49.171340][ T3609] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   49.179313][ T3609] Call Trace:
[   49.182587][ T3609]  <TASK>
[   49.185521][ T3609]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[   49.191494][ T3609]  ? lock_release+0x780/0x780
[   49.196161][ T3609]  lock_acquire+0x1ab/0x570
[   49.200649][ T3609]  ? binder_alloc_print_pages+0x65/0x420
[   49.206287][ T3609]  ? lock_release+0x780/0x780
[   49.210968][ T3609]  ? __mutex_lock+0x231/0x1350
[   49.215723][ T3609]  down_read+0x98/0x450
[   49.219873][ T3609]  ? binder_alloc_print_pages+0x65/0x420
[   49.225494][ T3609]  ? rwsem_down_read_slowpath+0xb10/0xb10
[   49.231205][ T3609]  ? seq_file_path+0x30/0x30
[   49.235783][ T3609]  ? stats_show+0x3cb/0x620
[   49.240281][ T3609]  ? do_raw_spin_lock+0x120/0x2a0
[   49.245312][ T3609]  binder_alloc_print_pages+0x65/0x420
[   49.250761][ T3609]  stats_show+0x417/0x620
[   49.255089][ T3609]  seq_read_iter+0x4f5/0x1280
[   49.259768][ T3609]  ? aa_file_perm+0x595/0x1230
[   49.264524][ T3609]  seq_read+0x16d/0x210
[   49.268674][ T3609]  ? seq_read_iter+0x1280/0x1280
[   49.273629][ T3609]  ? fsnotify_perm.part.0+0x221/0x610
[   49.279017][ T3609]  ? apparmor_file_permission+0x264/0x4e0
[   49.284735][ T3609]  full_proxy_read+0x118/0x180
[   49.289513][ T3609]  do_iter_read+0x4f8/0x750
[   49.294009][ T3609]  vfs_readv+0xe5/0x150
[   49.298152][ T3609]  ? vfs_iter_read+0xa0/0xa0
[   49.302727][ T3609]  ? do_raw_spin_lock+0x120/0x2a0
[   49.307741][ T3609]  ? rwlock_bug.part.0+0x90/0x90
[   49.312668][ T3609]  ? _raw_spin_lock_irq+0x41/0x50
[   49.317690][ T3609]  ? find_held_lock+0x2d/0x110
[   49.322438][ T3609]  ? ptrace_notify+0xfa/0x140
[   49.327104][ T3609]  ? lock_downgrade+0x6e0/0x6e0
[   49.331943][ T3609]  __x64_sys_preadv+0x22b/0x310
[   49.336786][ T3609]  ? __ia32_sys_writev+0xb0/0xb0
[   49.341714][ T3609]  ? lockdep_hardirqs_on+0x79/0x100
[   49.346902][ T3609]  ? _raw_spin_unlock_irq+0x2a/0x40
[   49.352083][ T3609]  ? ptrace_notify+0xfa/0x140
[   49.356754][ T3609]  do_syscall_64+0x35/0xb0
[   49.361157][ T3609]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   49.367039][ T3609] RIP: 0033:0x7ffb27b890c9
[   49.371440][ T3609] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
[   49.391038][ T3609] RSP: 002b:00007ffe668da498 EFLAGS: 00000246 ORIG_RAX: 0000000000000127
[   49.399437][ T3609] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ffb27b890c9
[   49.407395][ T3609] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000004
[   49.415351][ T3609] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffb27bf6e40
[   49.423304][ T3609] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe668da4d0
[   49.431260][ T3609] R13: 00007ffe668da4c0 R14: 00007ffe668da4b0 R15: 0000000000000000
[   49.439248][ T3609]  </TASK>
[   49.442259][ T3609] Modules linked in:
[   49.446140][ T3609] ---[ end trace 0000000000000000 ]---
[   49.451591][ T3609] RIP: 0010:__lock_acquire+0xd83/0x56d0
[   49.457150][ T3609] Code: 9b 0e 41 bf 01 00 00 00 0f 86 c8 00 00 00 89 05 63 56 9b 0e e9 bd 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 4e 31 00 00 49 81 3e 60 84 51 8f 0f 84 4c f3 ff
[   49.476747][ T3609] RSP: 0018:ffffc900038df6a0 EFLAGS: 00010002
[   49.482796][ T3609] RAX: dffffc0000000000 RBX: 1ffff9200071bf03 RCX: 0000000000000001
[   49.490755][ T3609] RDX: 0000000000000025 RSI: 0000000000000000 RDI: 0000000000000001
[   49.498737][ T3609] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[   49.506693][ T3609] R10: fffffbfff1bbd60a R11: 0000000000000000 R12: 0000000000000000
[   49.514654][ T3609] R13: ffff888026b68000 R14: 0000000000000128 R15: 0000000000000001
[   49.522613][ T3609] FS:  0000555555ed8300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
[   49.531525][ T3609] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.538092][ T3609] CR2: 00007ffb27bfa130 CR3: 000000001e324000 CR4: 00000000003506f0
[   49.546064][ T3609] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   49.554020][ T3609] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   49.561975][ T3609] Kernel panic - not syncing: Fatal exception
[   49.568192][ T3609] Kernel Offset: disabled
[   49.572504][ T3609] Rebooting in 86400 seconds..