./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1688007175

<...>
Warning: Permanently added '10.128.1.60' (ED25519) to the list of known hosts.
execve("./syz-executor1688007175", ["./syz-executor1688007175"], 0x7ffde2990b00 /* 10 vars */) = 0
brk(NULL)                               = 0x5555593ca000
brk(0x5555593cad40)                     = 0x5555593cad40
arch_prctl(ARCH_SET_FS, 0x5555593ca3c0) = 0
set_tid_address(0x5555593ca690)         = 289
set_robust_list(0x5555593ca6a0, 24)     = 0
rseq(0x5555593cace0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1688007175", 4096) = 28
getrandom("\xf3\x85\x9e\x73\x42\x30\xc8\x71", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555593cad40
brk(0x5555593ebd40)                     = 0x5555593ebd40
brk(0x5555593ec000)                     = 0x5555593ec000
mprotect(0x7f9995e21000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
write(1, "executing program\n", 18executing program
)     = 18
futex(0x7f9995e273ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f9995dc03a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f9995db1a20}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f9995d3c000
mprotect(0x7f9995d3d000, 131072, PROT_READ|PROT_WRITE) = 0
rt_sigprocmask(SIG_BLOCK, ~[], [], 8)   = 0
clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f9995d5c990, parent_tid=0x7f9995d5c990, exit_signal=0, stack=0x7f9995d3c000, stack_size=0x20300, tls=0x7f9995d5c6c0} => {parent_tid=[290]}, 88) = 290
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
futex(0x7f9995e273e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
futex(0x7f9995e273ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 290 attached
 <unfinished ...>
[pid   290] set_robust_list(0x7f9995d5c9a0, 24) = 0
[pid   290] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   290] mkdir("./file0", 000)       = 0
[pid   290] futex(0x7f9995e273ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   289] <... futex resumed>)        = 0
[pid   289] futex(0x7f9995e273e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   290] <... futex resumed>)        = 1
[pid   289] futex(0x7f9995e273ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   290] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000) = 3
[pid   290] futex(0x7f9995e273ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   289] <... futex resumed>)        = 0
[pid   289] futex(0x7f9995e273e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   289] futex(0x7f9995e273ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   290] <... futex resumed>)        = 1
[pid   290] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=0000000000000000040000,user_id=00000000000000000000,group_id=00000000"...) = 0
[pid   290] futex(0x7f9995e273ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   289] <... futex resumed>)        = 0
[pid   289] futex(0x7f9995e273e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   289] futex(0x7f9995e273ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   290] <... futex resumed>)        = 1
[pid   290] read(3, "\x38\x00\x00\x00\x1a\x00\x00\x00\x02\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\x07\x00\x00\x00\x20\x00\x00\x00\x00\x00\x02\x00\xfb\xff\xff\x83", 8224) = 56
[pid   290] futex(0x7f9995e273ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   289] <... futex resumed>)        = 0
[pid   289] futex(0x7f9995e273e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   289] futex(0x7f9995e273ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   290] <... futex resumed>)        = 1
[   23.059219][   T24] audit: type=1400 audit(1745002519.720:66): avc:  denied  { execmem } for  pid=289 comm="syz-executor168" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   23.079292][   T24] audit: type=1400 audit(1745002519.740:67): avc:  denied  { read write } for  pid=289 comm="syz-executor168" name="fuse" dev="devtmpfs" ino=90 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1
[pid   290] mknod("./file0/../file0/file0", S_IFSOCK|000 <unfinished ...>
[pid   289] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   289] futex(0x7f9995e273fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f9995d1b000
[pid   289] mprotect(0x7f9995d1c000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   289] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f9995d3b990, parent_tid=0x7f9995d3b990, exit_signal=0, stack=0x7f9995d1b000, stack_size=0x20300, tls=0x7f9995d3b6c0} => {parent_tid=[292]}, 88) = 292
[pid   289] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   289] futex(0x7f9995e273f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   289] futex(0x7f9995e273fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 292 attached
 <unfinished ...>
[pid   292] set_robust_list(0x7f9995d3b9a0, 24) = 0
[pid   292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   292] write(3, "\x50\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x28\x00\x00\x00\x00\x00\x00\x00\x60\x80\x48\x40\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x6f\x08\x89\xa9\xfc\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 80) = 80
[pid   292] futex(0x7f9995e273fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   289] <... futex resumed>)        = 0
[pid   289] futex(0x7f9995e273f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   289] futex(0x7f9995e273fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   292] <... futex resumed>)        = 1
[pid   292] read(3, "\x2e\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x22\x01\x00\x00\x00\x00\x00\x00\x66\x69\x6c\x65\x30\x00", 8192) = 46
[   23.102694][   T24] audit: type=1400 audit(1745002519.740:68): avc:  denied  { open } for  pid=289 comm="syz-executor168" path="/dev/fuse" dev="devtmpfs" ino=90 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1
[   23.125911][   T24] audit: type=1400 audit(1745002519.740:69): avc:  denied  { mounton } for  pid=289 comm="syz-executor168" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   23.139966][  T290] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
[   23.148368][   T24] audit: type=1400 audit(1745002519.740:70): avc:  denied  { mount } for  pid=289 comm="syz-executor168" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[   23.159859][  T290] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
[   23.159870][  T290] CPU: 0 PID: 290 Comm: syz-executor168 Not tainted 5.10.236-syzkaller #0
[   23.159876][  T290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   23.159913][  T290] RIP: 0010:filename_create+0x225/0x750
[   23.159935][  T290] Code: 89 e2 e8 9e 97 ff ff 49 89 c4 48 3d 01 f0 ff ff 72 07 e8 2e d5 b6 ff eb 5f 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 70 04 00 00 4c 89 64 24 30 45 8b 24 24 bb
[   23.233025][  T290] RSP: 0018:ffffc9000092fd00 EFLAGS: 00010203
[   23.238926][  T290] RAX: 0000000000000002 RBX: ffff88811b7c6250 RCX: dffffc0000000000
[   23.246733][  T290] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000
[   23.254552][  T290] RBP: ffffc9000092fdf0 R08: ffffffff81b67578 R09: ffffed10236f8c50
[   23.262358][  T290] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000017
[   23.270170][  T290] R13: 1ffff92000125fd1 R14: ffffc9000092fe88 R15: 1ffff92000125fd0
[   23.277982][  T290] FS:  00007f9995d5c6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   23.286746][  T290] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.293174][  T290] CR2: 000020000000c000 CR3: 000000011d13b000 CR4: 00000000003506b0
[   23.300988][  T290] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.308797][  T290] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.316604][  T290] Call Trace:
[   23.319739][  T290]  ? __check_object_size+0x2e6/0x3c0
[   23.324853][  T290]  ? kern_path_create+0x40/0x40
[   23.329542][  T290]  do_mknodat+0x187/0x450
[   23.333715][  T290]  ? may_open+0x3f0/0x3f0
[   23.337902][  T290]  ? fpu__clear_all+0x20/0x20
[   23.342388][  T290]  __x64_sys_mknod+0x80/0x90
[   23.346814][  T290]  do_syscall_64+0x31/0x40
[   23.351067][  T290]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   23.356794][  T290] RIP: 0033:0x7f9995d9a4f9
[   23.361134][  T290] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b0 ff ff ff f7 d8 64 89 01 48
[   23.380667][  T290] RSP: 002b:00007f9995d5c218 EFLAGS: 00000246 ORIG_RAX: 0000000000000085
[   23.388904][  T290] RAX: ffffffffffffffda RBX: 00007f9995e273e8 RCX: 00007f9995d9a4f9
[   23.396718][  T290] RDX: 0000000000000700 RSI: 00000000ffffc000 RDI: 00002000000002c0
[pid   292] write(3, "\xa7\x00\x00\x00\x00\x00\x00\x00\x04\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\xfc\xff\xff\xff\xff\xff\xff\xff\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xf7\xff\xff\xff\xff\xff\xff\xff\x07\x00\x00\x01\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 167) = 167
[pid   292] futex(0x7f9995e273fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   292] futex(0x7f9995e273f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   289] <... futex resumed>)        = 0
[   23.404529][  T290] RBP: 00007f9995e273e0 R08: 0000000000000000 R09: 0000000000000000
[   23.412338][  T290] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9995df4034
[   23.420149][  T290] R13: 000020000000a280 R14: 00007f9995df200e R15: 0000200000000000
[   23.427960][  T290] Modules linked in:
[   23.432135][  T290] ---[ end trace 700c95b715a96f3f ]---
[   23.437468][  T290] RIP: 0010:filename_create+0x225/0x750
[   23.442838][  T290] Code: 89 e2 e8 9e 97 ff ff 49 89 c4 48 3d 01 f0 ff ff 72 07 e8 2e d5 b6 ff eb 5f 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 70 04 00 00 4c 89 64 24 30 45 8b 24 24 bb
[   23.462260][  T290] RSP: 0018:ffffc9000092fd00 EFLAGS: 00010203
[   23.468120][  T290] RAX: 0000000000000002 RBX: ffff88811b7c6250 RCX: dffffc0000000000
[   23.475990][  T290] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000
[   23.483767][  T290] RBP: ffffc9000092fdf0 R08: ffffffff81b67578 R09: ffffed10236f8c50
[   23.491582][  T290] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000017
[   23.499378][  T290] R13: 1ffff92000125fd1 R14: ffffc9000092fe88 R15: 1ffff92000125fd0
[pid   289] exit_group(0 <unfinished ...>
[pid   292] <... futex resumed>)        = ?
[pid   292] +++ exited with 0 +++
[pid   289] <... exit_group resumed>)   = ?
[   23.507702][  T290] FS:  00007f9995d5c6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   23.516490][  T290] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.522916][  T290] CR2: 000020000000c000 CR3: 000000011d13b000 CR4: 00000000003506b0
[   23.530724][  T290] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.538691][  T290] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.546559][  T290] Kernel panic - not syncing: Fatal exception
[   23.552628][  T290] Kernel Offset: disabled
[   23.556753][  T290] Rebooting in 86400 seconds..