./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2260120214

<...>
Warning: Permanently added '10.128.1.209' (ED25519) to the list of known hosts.
execve("./syz-executor2260120214", ["./syz-executor2260120214"], 0x7ffe1943e5c0 /* 10 vars */) = 0
brk(NULL)                               = 0x55556ee52000
brk(0x55556ee52d40)                     = 0x55556ee52d40
arch_prctl(ARCH_SET_FS, 0x55556ee523c0) = 0
set_tid_address(0x55556ee52690)         = 296
set_robust_list(0x55556ee526a0, 24)     = 0
rseq(0x55556ee52ce0, 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-executor2260120214", 4096) = 28
getrandom("\x1b\x83\x40\x28\x6f\xbb\xb9\x91", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55556ee52d40
brk(0x55556ee73d40)                     = 0x55556ee73d40
brk(0x55556ee74000)                     = 0x55556ee74000
mprotect(0x7f13b0c0e000, 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
executing program
write(1, "executing program\n", 18)     = 18
futex(0x7f13b0c143ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f13b0bad3a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f13b0b9ea20}, 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) = 0x7f13b0b15000
mprotect(0x7f13b0b16000, 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=0x7f13b0b35990, parent_tid=0x7f13b0b35990, exit_signal=0, stack=0x7f13b0b15000, stack_size=0x20300, tls=0x7f13b0b356c0}./strace-static-x86_64: Process 297 attached
 <unfinished ...>
[pid   297] set_robust_list(0x7f13b0b359a0, 24) = 0
[pid   296] <... clone3 resumed> => {parent_tid=[297]}, 88) = 297
[pid   297] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   296] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   297] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   296] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   297] futex(0x7f13b0c143e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   296] futex(0x7f13b0c143e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   297] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   296] <... futex resumed>)        = 0
[pid   297] mkdirat(AT_FDCWD, "./file0", 000 <unfinished ...>
[pid   296] futex(0x7f13b0c143ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   297] <... mkdirat resumed>)      = 0
[pid   297] futex(0x7f13b0c143ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] <... futex resumed>)        = 0
[pid   296] futex(0x7f13b0c143e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] futex(0x7f13b0c143ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   297] <... futex resumed>)        = 1
[pid   297] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000) = 3
[pid   297] futex(0x7f13b0c143ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] <... futex resumed>)        = 0
[pid   296] futex(0x7f13b0c143e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] futex(0x7f13b0c143ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   297] <... futex resumed>)        = 1
[pid   297] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0
[pid   297] futex(0x7f13b0c143ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] <... futex resumed>)        = 0
[pid   296] futex(0x7f13b0c143e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] futex(0x7f13b0c143ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   297] <... futex resumed>)        = 1
[pid   297] 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\x29\x00\x00\x00\x00\x00\x02\x00\xfb\xff\xff\x73\xfd\x01\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"..., 8224) = 104
[pid   297] futex(0x7f13b0c143ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] <... futex resumed>)        = 0
[pid   296] futex(0x7f13b0c143e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] futex(0x7f13b0c143ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   297] <... futex resumed>)        = 1
[   23.230512][   T36] audit: type=1400 audit(1752600080.650:64): avc:  denied  { execmem } for  pid=296 comm="syz-executor226" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   23.249914][   T36] audit: type=1400 audit(1752600080.650:65): avc:  denied  { read write } for  pid=296 comm="syz-executor226" name="fuse" dev="devtmpfs" ino=23 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1
[pid   297] read(3,  <unfinished ...>
[pid   296] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   296] futex(0x7f13b0c143fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f13b0af4000
[pid   296] mprotect(0x7f13b0af5000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   296] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f13b0b14990, parent_tid=0x7f13b0b14990, exit_signal=0, stack=0x7f13b0af4000, stack_size=0x20300, tls=0x7f13b0b146c0}./strace-static-x86_64: Process 299 attached
 <unfinished ...>
[pid   299] set_robust_list(0x7f13b0b149a0, 24) = 0
[pid   296] <... clone3 resumed> => {parent_tid=[299]}, 88) = 299
[pid   299] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   296] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   299] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   296] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   299] futex(0x7f13b0c143f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   296] futex(0x7f13b0c143f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   299] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   296] futex(0x7f13b0c143fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   299] 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\x05\x00\x00\x00\x20\x00\x8c\x00\x00\x00\xf9\xff\x00\x00\x00\x80\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", 80) = 80
[pid   299] futex(0x7f13b0c143fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] <... futex resumed>)        = 0
[pid   299] <... futex resumed>)        = 1
[pid   296] futex(0x7f13b0c143f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] futex(0x7f13b0c143fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   299] unlink("./file0/file0" <unfinished ...>
[pid   297] <... read resumed>"\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\x2b\x01\x00\x00\x00\x00\x00\x00\x66\x69\x6c\x65\x30\x00", 8192) = 46
[   23.273429][   T36] audit: type=1400 audit(1752600080.650:66): avc:  denied  { open } for  pid=296 comm="syz-executor226" path="/dev/fuse" dev="devtmpfs" ino=23 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1
[   23.296006][  T299] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI
[   23.296800][   T36] audit: type=1400 audit(1752600080.650:67): avc:  denied  { mounton } for  pid=296 comm="syz-executor226" path="/root/file0" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   23.309322][  T299] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
[   23.309343][  T299] CPU: 0 UID: 0 PID: 299 Comm: syz-executor226 Not tainted 6.12.30-syzkaller-g2bd1f3631412 #0 6943644d94d6d2561e2e69b52f52e880797b3b70
[   23.309368][  T299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   23.332268][   T36] audit: type=1400 audit(1752600080.650:68): avc:  denied  { mount } for  pid=296 comm="syz-executor226" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[   23.340369][  T299] RIP: 0010:do_unlinkat+0x27e/0x5a0
[   23.391447][  T299] Code: e8 37 9e 9b ff 31 db 41 81 ff 00 00 20 00 0f 95 c3 83 c3 eb e9 d7 00 00 00 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 37 02 00 00 41 8b 1e be 00 00 70 00 21 de
[   23.411029][  T299] RSP: 0018:ffffc900012bfe20 EFLAGS: 00010247
[   23.417083][  T299] RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000000
[   23.425032][  T299] RDX: ffff8881033d5f00 RSI: 0000000000000000 RDI: 0000000000000000
[   23.433065][  T299] RBP: ffffc900012bfef8 R08: ffff8881f6e509c7 R09: 1ffff1103edca138
[   23.441010][  T299] R10: dffffc0000000000 R11: ffffed103edca139 R12: 1ffff1102589cf16
[   23.448956][  T299] R13: ffff88812c4e78b0 R14: 0000000000000007 R15: 0000000000000000
[   23.456899][  T299] FS:  00007f13b0b146c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   23.465808][  T299] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.472365][  T299] CR2: 00005631525ef388 CR3: 0000000103376000 CR4: 00000000003526b0
[   23.480312][  T299] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.488255][  T299] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.496199][  T299] Call Trace:
[   23.499452][  T299]  <TASK>
[   23.502361][  T299]  ? __cfi_do_unlinkat+0x10/0x10
[   23.507370][  T299]  ? __kasan_check_write+0x18/0x20
[   23.512476][  T299]  ? getname_flags+0x209/0x710
[   23.517227][  T299]  __x64_sys_unlink+0x4b/0x60
[   23.521886][  T299]  x64_sys_call+0x286c/0x2ee0
[   23.526539][  T299]  do_syscall_64+0x58/0xf0
[pid   297] write(3, "\x97\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xfe\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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\xff\x00\x00\x00"..., 151) = 151
[   23.530927][  T299]  ? clear_bhb_loop+0x50/0xa0
[   23.535579][  T299]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   23.541453][  T299] RIP: 0033:0x7f13b0b874f9
[   23.545862][  T299] 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
[   23.565453][  T299] RSP: 002b:00007f13b0b14218 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
[   23.573850][  T299] RAX: ffffffffffffffda RBX: 00007f13b0c143f8 RCX: 00007f13b0b874f9
[pid   297] futex(0x7f13b0c143ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   297] futex(0x7f13b0c143e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   296] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[   23.575644][   T36] audit: type=1400 audit(1752600080.990:69): avc:  denied  { read } for  pid=91 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
[   23.581808][  T299] RDX: 00007f13b0b874f9 RSI: 00000000000f4240 RDI: 0000200000000100
[   23.581823][  T299] RBP: 00007f13b0c143f0 R08: 0000000000000000 R09: 0000000000000000
[   23.581833][  T299] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f13b0be1034
[   23.581844][  T299] R13: 0000200000008300 R14: 0000200000000100 R15: 00007ffcb51b12d8
[   23.581859][  T299]  </TASK>
[   23.581866][  T299] Modules linked in:
[   23.582090][  T299] ---[ end trace 0000000000000000 ]---
[   23.603514][   T36] audit: type=1400 audit(1752600080.990:70): avc:  denied  { search } for  pid=91 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
[pid   296] exit_group(0)               = ?
[pid   297] <... futex resumed>)        = ?
[pid   297] +++ exited with 0 +++
[   23.603538][   T36] audit: type=1400 audit(1752600080.990:71): avc:  denied  { write } for  pid=91 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
[   23.603558][   T36] audit: type=1400 audit(1752600080.990:72): avc:  denied  { add_name } for  pid=91 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[   23.603578][   T36] audit: type=1400 audit(1752600080.990:73): avc:  denied  { create } for  pid=91 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[   23.731219][  T299] RIP: 0010:do_unlinkat+0x27e/0x5a0
[   23.736433][  T299] Code: e8 37 9e 9b ff 31 db 41 81 ff 00 00 20 00 0f 95 c3 83 c3 eb e9 d7 00 00 00 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 37 02 00 00 41 8b 1e be 00 00 70 00 21 de
[   23.756072][  T299] RSP: 0018:ffffc900012bfe20 EFLAGS: 00010247
[   23.762167][  T299] RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000000
[   23.770128][  T299] RDX: ffff8881033d5f00 RSI: 0000000000000000 RDI: 0000000000000000
[   23.778110][  T299] RBP: ffffc900012bfef8 R08: ffff8881f6e509c7 R09: 1ffff1103edca138
[   23.786096][  T299] R10: dffffc0000000000 R11: ffffed103edca139 R12: 1ffff1102589cf16
[   23.794134][  T299] R13: ffff88812c4e78b0 R14: 0000000000000007 R15: 0000000000000000
[   23.802161][  T299] FS:  00007f13b0b146c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   23.811126][  T299] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.817704][  T299] CR2: 000000001f8ba258 CR3: 0000000103376000 CR4: 00000000003526b0
[   23.825706][  T299] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.833694][  T299] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.841674][  T299] Kernel panic - not syncing: Fatal exception
[   23.847979][  T299] Kernel Offset: disabled
[   23.852282][  T299] Rebooting in 86400 seconds..