./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2684411816

<...>
Warning: Permanently added '10.128.0.114' (ED25519) to the list of known hosts.
execve("./syz-executor2684411816", ["./syz-executor2684411816"], 0x7ffcf527b0e0 /* 10 vars */) = 0
brk(NULL)                               = 0x55557f867000
brk(0x55557f867d40)                     = 0x55557f867d40
arch_prctl(ARCH_SET_FS, 0x55557f8673c0) = 0
set_tid_address(0x55557f867690)         = 282
set_robust_list(0x55557f8676a0, 24)     = 0
rseq(0x55557f867ce0, 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-executor2684411816", 4096) = 28
getrandom("\xbd\xf0\x6f\x5f\x09\xd6\x44\x9b", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55557f867d40
brk(0x55557f888d40)                     = 0x55557f888d40
brk(0x55557f889000)                     = 0x55557f889000
mprotect(0x7fa49d049000, 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(0x7fa49d04f3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7fa49cfe83e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa49cfd9a60}, 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) = 0x7fa49cf64000
mprotect(0x7fa49cf65000, 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=0x7fa49cf84990, parent_tid=0x7fa49cf84990, exit_signal=0, stack=0x7fa49cf64000, stack_size=0x20300, tls=0x7fa49cf846c0} => {parent_tid=[283]}, 88) = 283
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
futex(0x7fa49d04f3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
futex(0x7fa49d04f3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 283 attached
 <unfinished ...>
[pid   283] set_robust_list(0x7fa49cf849a0, 24) = 0
[pid   283] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   283] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   283] futex(0x7fa49d04f3ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   282] <... futex resumed>)        = 0
[pid   282] futex(0x7fa49d04f3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   282] futex(0x7fa49d04f3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   283] <... futex resumed>)        = 1
[pid   283] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000) = 3
[pid   283] futex(0x7fa49d04f3ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   282] <... futex resumed>)        = 0
[pid   282] futex(0x7fa49d04f3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   282] futex(0x7fa49d04f3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   283] <... futex resumed>)        = 1
[pid   283] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0
[pid   283] futex(0x7fa49d04f3ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   282] <... futex resumed>)        = 0
[pid   282] futex(0x7fa49d04f3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   282] futex(0x7fa49d04f3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   283] <... futex resumed>)        = 1
[pid   283] 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   283] futex(0x7fa49d04f3ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   282] <... futex resumed>)        = 0
[pid   282] futex(0x7fa49d04f3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   282] futex(0x7fa49d04f3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   283] <... futex resumed>)        = 1
[   35.982616][   T24] audit: type=1400 audit(1754151629.550:64): avc:  denied  { execmem } for  pid=282 comm="syz-executor268" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   36.002985][   T24] audit: type=1400 audit(1754151629.570:65): avc:  denied  { read write } for  pid=282 comm="syz-executor268" 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   283] unlinkat(AT_FDCWD, "./file0/file0", 0 <unfinished ...>
[pid   282] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   282] futex(0x7fa49d04f3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fa49cf43000
[pid   282] mprotect(0x7fa49cf44000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   282] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa49cf63990, parent_tid=0x7fa49cf63990, exit_signal=0, stack=0x7fa49cf43000, stack_size=0x20300, tls=0x7fa49cf636c0} => {parent_tid=[285]}, 88) = 285
[pid   282] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   282] futex(0x7fa49d04f3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   282] futex(0x7fa49d04f3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 285 attached
 <unfinished ...>
[pid   285] set_robust_list(0x7fa49cf639a0, 24) = 0
[pid   285] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   285] write(3, "\x50\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x1f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\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", 80) = 80
[pid   285] futex(0x7fa49d04f3fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   282] <... futex resumed>)        = 0
[pid   282] futex(0x7fa49d04f3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   282] futex(0x7fa49d04f3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   285] <... futex resumed>)        = 1
[pid   285] 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\x1b\x01\x00\x00\x00\x00\x00\x00\x66\x69\x6c\x65\x30\x00", 8192) = 46
[   36.027138][   T24] audit: type=1400 audit(1754151629.570:66): avc:  denied  { open } for  pid=282 comm="syz-executor268" 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
[   36.050781][   T24] audit: type=1400 audit(1754151629.570:67): avc:  denied  { mounton } for  pid=282 comm="syz-executor268" path="/root/file0" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[pid   285] write(3, "\x9d\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x05\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\x01\x00\x00\x00\x00\x00\x00\x00\xf9\xff\xff\xff\xff\xff\xff\xff\x00\x00\x00\x00"..., 157) = 157
[pid   285] futex(0x7fa49d04f3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   285] futex(0x7fa49d04f3f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   282] <... futex resumed>)        = 0
[   36.073690][   T24] audit: type=1400 audit(1754151629.570:68): avc:  denied  { mount } for  pid=282 comm="syz-executor268" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[   36.079678][  T283] general protection fault, probably for non-canonical address 0xdffffc0000000007: 0000 [#1] PREEMPT SMP KASAN
[   36.108312][  T283] KASAN: null-ptr-deref in range [0x0000000000000038-0x000000000000003f]
[   36.116792][  T283] CPU: 1 PID: 283 Comm: syz-executor268 Not tainted 5.10.240-syzkaller-00225-g1154f779f3f3 #0
[   36.127332][  T283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   36.137564][  T283] RIP: 0010:do_unlinkat+0x26f/0x670
[   36.142798][  T283] Code: 44 89 ee e8 f3 27 bb ff 45 31 ff 41 81 fd 00 00 20 00 41 0f 95 c7 41 83 c7 eb e9 95 00 00 00 49 8d 7e 30 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 74 05 e8 95 13 f5 ff 49 8b 5e 30 4c 89 f0 48 c1 e8
[   36.162738][  T283] RSP: 0018:ffffc90000b17e00 EFLAGS: 00010203
[   36.168869][  T283] RAX: 0000000000000007 RBX: 0000000000000000 RCX: 0000000000000000
[   36.176907][  T283] RDX: ffff8881055a3b40 RSI: 0000000000000000 RDI: 000000000000003d
[   36.184951][  T283] RBP: ffffc90000b17f00 R08: dffffc0000000000 R09: ffffed1024305250
[   36.193007][  T283] R10: ffffed1024305250 R11: 1ffff1102430524f R12: 1ffff1102430524a
[   36.201222][  T283] R13: dffffc0000000000 R14: 000000000000000d R15: ffff888121829250
[   36.209543][  T283] FS:  00007fa49cf846c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   36.218727][  T283] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.225391][  T283] CR2: 000020000000a000 CR3: 000000011b8a8000 CR4: 00000000003506a0
[   36.233454][  T283] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   36.241509][  T283] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   36.249537][  T283] Call Trace:
[   36.252916][  T283]  ? fsnotify_link_count+0x90/0x90
[   36.258189][  T283]  ? getname_flags+0x206/0x500
[   36.263030][  T283]  __x64_sys_unlinkat+0xd8/0xf0
[   36.267961][  T283]  do_syscall_64+0x31/0x40
[   36.272474][  T283]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   36.278564][  T283] RIP: 0033:0x7fa49cfc2539
[   36.283080][  T283] 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
[   36.302949][  T283] RSP: 002b:00007fa49cf84218 EFLAGS: 00000246 ORIG_RAX: 0000000000000107
[   36.311578][  T283] RAX: ffffffffffffffda RBX: 00007fa49d04f3e8 RCX: 00007fa49cfc2539
[   36.319702][  T283] RDX: 0000000000000000 RSI: 0000200000000040 RDI: 00000000ffffff9c
[   36.327730][  T283] RBP: 00007fa49d04f3e0 R08: 0000000000000000 R09: 0000000000000000
[   36.335762][  T283] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa49d01c03c
[   36.344007][  T283] R13: 0000200000008280 R14: 00007fa49d01a016 R15: 00002000000020c0
[   36.352137][  T283] Modules linked in:
[   36.356721][  T283] ---[ end trace 221d672efa29993b ]---
[   36.362318][  T283] RIP: 0010:do_unlinkat+0x26f/0x670
[   36.362826][   T24] audit: type=1400 audit(1754151629.920:69): avc:  denied  { read } for  pid=77 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1
[   36.367587][  T283] Code: 44 89 ee e8 f3 27 bb ff 45 31 ff 41 81 fd 00 00 20 00 41 0f 95 c7 41 83 c7 eb e9 95 00 00 00 49 8d 7e 30 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 74 05 e8 95 13 f5 ff 49 8b 5e 30 4c 89 f0 48 c1 e8
[   36.367630][  T283] RSP: 0018:ffffc90000b17e00 EFLAGS: 00010203
[   36.389685][   T24] audit: type=1400 audit(1754151629.930:70): avc:  denied  { search } for  pid=77 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[   36.410266][  T283] 
[   36.416494][   T24] audit: type=1400 audit(1754151629.930:71): avc:  denied  { write } for  pid=77 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[   36.437850][  T283] RAX: 0000000000000007 RBX: 0000000000000000 RCX: 0000000000000000
[   36.440365][   T24] audit: type=1400 audit(1754151629.930:72): avc:  denied  { add_name } for  pid=77 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[   36.461235][  T283] RDX: ffff8881055a3b40 RSI: 0000000000000000 RDI: 000000000000003d
[   36.461261][  T283] RBP: ffffc90000b17f00 R08: dffffc0000000000 R09: ffffed1024305250
[   36.461286][  T283] R10: ffffed1024305250 R11: 1ffff1102430524f R12: 1ffff1102430524a
[   36.461345][  T283] R13: dffffc0000000000 R14: 000000000000000d R15: ffff888121829250
[   36.470623][   T24] audit: type=1400 audit(1754151629.930:73): avc:  denied  { create } for  pid=77 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[   36.490340][  T283] FS:  00007fa49cf846c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   36.490386][  T283] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.558859][  T283] CR2: 000020000000a000 CR3: 000000011b8a8000 CR4: 00000000003506a0
[   36.566994][  T283] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   36.575074][  T283] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   36.583276][  T283] Kernel panic - not syncing: Fatal exception
[   36.589619][  T283] Kernel Offset: disabled
[   36.593964][  T283] Rebooting in 86400 seconds..