./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2135128917

<...>
Warning: Permanently added '10.128.0.33' (ED25519) to the list of known hosts.
execve("./syz-executor2135128917", ["./syz-executor2135128917"], 0x7ffffbac5a20 /* 10 vars */) = 0
brk(NULL)                               = 0x5555802a6000
brk(0x5555802a6d40)                     = 0x5555802a6d40
arch_prctl(ARCH_SET_FS, 0x5555802a63c0) = 0
set_tid_address(0x5555802a6690)         = 289
set_robust_list(0x5555802a66a0, 24)     = 0
rseq(0x5555802a6ce0, 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-executor2135128917", 4096) = 28
getrandom("\x9a\x57\x68\x20\x85\x6c\x9e\x19", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555802a6d40
brk(0x5555802c7d40)                     = 0x5555802c7d40
brk(0x5555802c8000)                     = 0x5555802c8000
mprotect(0x7ff63a01f000, 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, 0executing program
) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
write(1, "executing program\n", 18)     = 18
futex(0x7ff63a0253cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7ff639fbb6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff639facd70}, 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) = 0x7ff639f34000
mprotect(0x7ff639f35000, 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=0x7ff639f54990, parent_tid=0x7ff639f54990, exit_signal=0, stack=0x7ff639f34000, stack_size=0x20300, tls=0x7ff639f546c0} => {parent_tid=[290]}, 88) = 290
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
futex(0x7ff63a0253c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
futex(0x7ff63a0253cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 290 attached
 <unfinished ...>
[pid   290] set_robust_list(0x7ff639f549a0, 24) = 0
[pid   290] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   290] openat(AT_FDCWD, "/dev/fuse", O_RDWR) = 3
[pid   290] futex(0x7ff63a0253cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   289] <... futex resumed>)        = 0
[pid   289] futex(0x7ff63a0253c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   289] futex(0x7ff63a0253cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   290] <... futex resumed>)        = 1
[pid   290] mkdir("./file0", 0777)      = 0
[pid   290] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0
[   27.449323][   T30] audit: type=1400 audit(1753397271.036:64): avc:  denied  { execmem } for  pid=289 comm="syz-executor213" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   27.469457][   T30] audit: type=1400 audit(1753397271.036:65): avc:  denied  { read write } for  pid=289 comm="syz-executor213" name="fuse" dev="devtmpfs" ino=91 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1
[pid   290] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   289] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   289] futex(0x7ff63a0253dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff639f13000
[pid   289] mprotect(0x7ff639f14000, 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=0x7ff639f33990, parent_tid=0x7ff639f33990, exit_signal=0, stack=0x7ff639f13000, stack_size=0x20300, tls=0x7ff639f336c0} => {parent_tid=[292]}, 88) = 292
[pid   289] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   289] futex(0x7ff63a0253d8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   289] futex(0x7ff63a0253dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 292 attached
 <unfinished ...>
[pid   292] set_robust_list(0x7ff639f339a0, 24) = 0
[pid   292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   292] read(3, "\x68\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\x24\x00\x00\x00\x00\x00\x02\x00\xfb\xff\xff\x73\x01\x00\x00\x80\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"..., 8192) = 104
[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\x00\x00\x00\x00\x08\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\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 80) = 80
[pid   292] futex(0x7ff63a0253dc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   289] <... futex resumed>)        = 0
[pid   289] futex(0x7ff63a0253d8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   289] futex(0x7ff63a0253dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   292] <... futex resumed>)        = 1
[pid   292] read(3, "\x30\x00\x00\x00\x1b\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\x00\x80\x01\x00\x00\x00\x00\x00", 8192) = 48
[pid   292] write(3, "\x20\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", 32 <unfinished ...>
[pid   290] <... openat resumed>)       = 4
[pid   290] chdir("./file0" <unfinished ...>
[pid   292] <... write resumed>)        = 32
[pid   292] futex(0x7ff63a0253dc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   289] <... futex resumed>)        = 0
[pid   289] futex(0x7ff63a0253d8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   289] futex(0x7ff63a0253dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   292] <... futex resumed>)        = 1
[pid   292] read(3, "\x30\x00\x00\x00\x22\x00\x00\x00\x06\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\x01\x00\x00\x00\x00\x00\x00\x00", 8192) = 48
[pid   292] write(3, "\x10\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00", 16 <unfinished ...>
[pid   290] <... chdir resumed>)        = 0
[pid   290] futex(0x7ff63a0253cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   290] futex(0x7ff63a0253c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   292] <... write resumed>)        = 16
[pid   292] futex(0x7ff63a0253dc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   289] <... futex resumed>)        = 0
[pid   289] futex(0x7ff63a0253c8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   290] <... futex resumed>)        = 0
[pid   289] futex(0x7ff63a0253cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   290] read(3,  <unfinished ...>
[pid   292] <... futex resumed>)        = 1
[   27.493491][   T30] audit: type=1400 audit(1753397271.036:66): avc:  denied  { open } for  pid=289 comm="syz-executor213" path="/dev/fuse" dev="devtmpfs" ino=91 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1
[   27.517328][   T30] audit: type=1400 audit(1753397271.036:67): avc:  denied  { mounton } for  pid=289 comm="syz-executor213" 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   292] futex(0x7ff63a0253d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   289] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   289] futex(0x7ff63a0253cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   289] futex(0x7ff63a0253cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   289] futex(0x7ff63a0253d8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   289] futex(0x7ff63a0253dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   292] <... futex resumed>)        = 0
[pid   292] mkdir("./file0", 012 <unfinished ...>
[pid   290] <... read resumed>"\x2e\x00\x00\x00\x01\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x24\x01\x00\x00\x00\x00\x00\x00\x66\x69\x6c\x65\x30\x00", 8192) = 46
[pid   290] write(3, "\x9b\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xfc\xff\xff\xff\xff\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\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"..., 155) = 155
[pid   290] futex(0x7ff63a0253cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   27.541103][   T30] audit: type=1400 audit(1753397271.036:68): avc:  denied  { mount } for  pid=289 comm="syz-executor213" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[   27.576097][  T292] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
[   27.587863][  T292] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
[   27.596287][  T292] CPU: 1 PID: 292 Comm: syz-executor213 Not tainted 5.15.189-syzkaller-00079-ga71626bd56a5 #0
[   27.606517][  T292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   27.616650][  T292] RIP: 0010:filename_create+0x241/0x450
[   27.622226][  T292] Code: ff ff 48 3d 01 f0 ff ff 49 89 c7 4c 8b 64 24 28 72 07 e8 c2 fd b6 ff eb 6d 48 89 c1 48 c1 e9 03 48 ba 00 00 00 00 00 fc ff df <0f> b6 0c 11 84 c9 0f 85 dd 01 00 00 44 8b 20 44 89 e6 81 e6 00 00
[   27.641824][  T292] RSP: 0018:ffffc90000a17da0 EFLAGS: 00010202
[   27.647978][  T292] RAX: 000000000000000b RBX: 1ffff92000142fd4 RCX: 0000000000000001
[   27.656060][  T292] RDX: dffffc0000000000 RSI: 0000000000000005 RDI: ffff88811b8ee2c0
[   27.664149][  T292] RBP: ffffc90000a17e68 R08: dffffc0000000000 R09: ffffed102413d1e8
[   27.672308][  T292] R10: ffffed102413d1e8 R11: 1ffff1102413d1e7 R12: ffffc90000a17e98
[   27.680277][  T292] R13: ffffc90000a17ea0 R14: 0000000000000600 R15: 000000000000000b
[   27.688379][  T292] FS:  00007ff639f336c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   27.697315][  T292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.703922][  T292] CR2: 0000200000005000 CR3: 000000011d140000 CR4: 00000000003506a0
[   27.712011][  T292] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   27.719980][  T292] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   27.727943][  T292] Call Trace:
[   27.731223][  T292]  <TASK>
[   27.734229][  T292]  ? check_stack_object+0x81/0x140
[   27.739462][  T292]  ? kern_path_create+0x1b0/0x1b0
[   27.744507][  T292]  do_mkdirat+0x5c/0x4c0
[   27.748751][  T292]  ? getname_flags+0x206/0x500
[   27.753610][  T292]  __x64_sys_mkdir+0x6e/0x80
[   27.758196][  T292]  x64_sys_call+0x124/0x9a0
[   27.762701][  T292]  do_syscall_64+0x4c/0xa0
[   27.767120][  T292]  ? clear_bhb_loop+0x50/0xa0
[   27.771884][  T292]  ? clear_bhb_loop+0x50/0xa0
[   27.776551][  T292]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   27.782501][  T292] RIP: 0033:0x7ff639f95819
[   27.786914][  T292] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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
[   27.806684][  T292] RSP: 002b:00007ff639f33218 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[   27.815098][  T292] RAX: ffffffffffffffda RBX: 00007ff63a0253d8 RCX: 00007ff639f95819
[   27.823064][  T292] RDX: 00007ff639f95819 RSI: 000000000000000a RDI: 0000200000000080
[   27.831215][  T292] RBP: 00007ff63a0253d0 R08: 0000000000000000 R09: 0000000000000000
[   27.839178][  T292] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff639ff2124
[pid   290] futex(0x7ff63a0253c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   289] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[   27.847141][  T292] R13: 0000000000000008 R14: 0030656c69662f2e R15: 0000200000000080
[   27.855140][  T292]  </TASK>
[   27.858177][  T292] Modules linked in:
[   27.862419][  T292] ---[ end trace d7341e505ff1114b ]---
[   27.865523][   T30] audit: type=1400 audit(1753397271.456:69): avc:  denied  { read } for  pid=83 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
[   27.868051][  T292] RIP: 0010:filename_create+0x241/0x450
[   27.890035][   T30] audit: type=1400 audit(1753397271.456:70): avc:  denied  { search } for  pid=83 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
[   27.895388][  T292] Code: ff ff 48 3d 01 f0 ff ff 49 89 c7 4c 8b 64 24 28 72 07 e8 c2 fd b6 ff eb 6d 48 89 c1 48 c1 e9 03 48 ba 00 00 00 00 00 fc ff df <0f> b6 0c 11 84 c9 0f 85 dd 01 00 00 44 8b 20 44 89 e6 81 e6 00 00
[   27.916874][   T30] audit: type=1400 audit(1753397271.456:71): avc:  denied  { write } for  pid=83 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
[   27.936591][  T292] RSP: 0018:ffffc90000a17da0 EFLAGS: 00010202
[   27.958058][   T30] audit: type=1400 audit(1753397271.456:72): avc:  denied  { add_name } for  pid=83 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[   27.963953][  T292] RAX: 000000000000000b RBX: 1ffff92000142fd4 RCX: 0000000000000001
[   27.963970][  T292] RDX: dffffc0000000000 RSI: 0000000000000005 RDI: ffff88811b8ee2c0
[   27.985410][   T30] audit: type=1400 audit(1753397271.456:73): avc:  denied  { create } for  pid=83 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[   27.993848][  T292] RBP: ffffc90000a17e68 R08: dffffc0000000000 R09: ffffed102413d1e8
[   28.030821][  T292] R10: ffffed102413d1e8 R11: 1ffff1102413d1e7 R12: ffffc90000a17e98
[   28.038843][  T292] R13: ffffc90000a17ea0 R14: 0000000000000600 R15: 000000000000000b
[   28.046968][  T292] FS:  00007ff639f336c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   28.055951][  T292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.062578][  T292] CR2: 0000200000005000 CR3: 000000011d140000 CR4: 00000000003506a0
[   28.070671][  T292] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   28.078646][  T292] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   28.086669][  T292] Kernel panic - not syncing: Fatal exception
[   28.093032][  T292] Kernel Offset: disabled
[   28.097481][  T292] Rebooting in 86400 seconds..