./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1682605307

<...>
Warning: Permanently added '10.128.1.197' (ED25519) to the list of known hosts.
execve("./syz-executor1682605307", ["./syz-executor1682605307"], 0x7ffe81377ce0 /* 10 vars */) = 0
brk(NULL)                               = 0x55557fcc7000
brk(0x55557fcc7d40)                     = 0x55557fcc7d40
arch_prctl(ARCH_SET_FS, 0x55557fcc73c0) = 0
set_tid_address(0x55557fcc7690)         = 282
set_robust_list(0x55557fcc76a0, 24)     = 0
rseq(0x55557fcc7ce0, 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-executor1682605307", 4096) = 28
getrandom("\xac\x8a\xdc\x7a\x54\xf6\xda\x94", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55557fcc7d40
brk(0x55557fce8d40)                     = 0x55557fce8d40
brk(0x55557fce9000)                     = 0x55557fce9000
mprotect(0x7f0fe7dd2000, 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(0x7f0fe7dd83ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f0fe7d713e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0fe7d62a60}, 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) = 0x7f0fe7ced000
mprotect(0x7f0fe7cee000, 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=0x7f0fe7d0d990, parent_tid=0x7f0fe7d0d990, exit_signal=0, stack=0x7f0fe7ced000, stack_size=0x20300, tls=0x7f0fe7d0d6c0}./strace-static-x86_64: Process 283 attached
 => {parent_tid=[283]}, 88) = 283
[pid   283] set_robust_list(0x7f0fe7d0d9a0, 24 <unfinished ...>
[pid   282] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   282] futex(0x7f0fe7dd83e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   283] <... set_robust_list resumed>) = 0
[pid   282] <... futex resumed>)        = 0
[pid   283] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   282] futex(0x7f0fe7dd83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   283] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   283] futex(0x7f0fe7dd83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   283] futex(0x7f0fe7dd83e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   282] <... futex resumed>)        = 0
[pid   282] futex(0x7f0fe7dd83e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   282] futex(0x7f0fe7dd83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   283] <... futex resumed>)        = 0
[pid   283] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000) = 3
[pid   283] futex(0x7f0fe7dd83ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   282] <... futex resumed>)        = 0
[pid   282] futex(0x7f0fe7dd83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   282] futex(0x7f0fe7dd83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   283] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0
[pid   283] futex(0x7f0fe7dd83ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   282] <... futex resumed>)        = 0
[pid   282] futex(0x7f0fe7dd83e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   282] futex(0x7f0fe7dd83ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   283] <... futex resumed>)        = 1
[   26.663384][   T24] audit: type=1400 audit(1756392191.470:64): avc:  denied  { execmem } for  pid=282 comm="syz-executor168" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[pid   283] openat2(AT_FDCWD, "./file0/file1", {flags=O_RDONLY|O_NOCTTY|O_SYNC|O_NOATIME, resolve=0}, 24 <unfinished ...>
[pid   282] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   282] futex(0x7f0fe7dd83fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0fe7ccc000
[pid   282] mprotect(0x7f0fe7ccd000, 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=0x7f0fe7cec990, parent_tid=0x7f0fe7cec990, exit_signal=0, stack=0x7f0fe7ccc000, stack_size=0x20300, tls=0x7f0fe7cec6c0} => {parent_tid=[285]}, 88) = 285
[pid   282] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   282] futex(0x7f0fe7dd83f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   282] futex(0x7f0fe7dd83fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 285 attached
 <unfinished ...>
[pid   285] set_robust_list(0x7f0fe7cec9a0, 24) = 0
[pid   285] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   285] 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   285] futex(0x7f0fe7dd83fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   282] <... futex resumed>)        = 0
[pid   282] futex(0x7f0fe7dd83f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   282] futex(0x7f0fe7dd83fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   285] <... futex resumed>)        = 1
[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\x04\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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", 80) = 80
[pid   285] futex(0x7f0fe7dd83fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   282] <... futex resumed>)        = 0
[pid   282] futex(0x7f0fe7dd83f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   282] futex(0x7f0fe7dd83fc, 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\x31\x00", 8192) = 46
[   26.697771][   T24] audit: type=1400 audit(1756392191.500:65): avc:  denied  { read write } for  pid=282 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
[   26.721797][   T24] audit: type=1400 audit(1756392191.500:66): avc:  denied  { open } for  pid=282 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
[   26.748310][   T24] audit: type=1400 audit(1756392191.500:67): avc:  denied  { mounton } for  pid=282 comm="syz-executor168" path="/root/file0" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   26.758091][  T283] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
[   26.771894][   T24] audit: type=1400 audit(1756392191.500:68): avc:  denied  { mount } for  pid=282 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
[   26.783677][  T283] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
[   26.783702][  T283] CPU: 0 PID: 283 Comm: syz-executor168 Not tainted 5.10.240-syzkaller #0
[   26.783707][  T283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[   26.783739][  T283] RIP: 0010:path_openat+0x1738/0x3160
[   26.783749][  T283] Code: ae 61 02 00 49 63 de 4c 8b 74 24 38 e9 86 fb ff ff e8 ec 79 bb ff 44 8b 6c 24 14 44 8b a4 24 80 00 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 75 09 00 00 44 8b 33 be 00 00 70 00 44
[pid   285] write(3, "\x98\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\xfc\xff\xff\xff\xff\xff\xff\xff\x00\x00\x20\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\xfc\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff\xff\xff\xff\xdf\x09\x00\x00\x00\x00\x00\x00\x00\xfe\xff\xff\xff"..., 152 <unfinished ...>
[pid   282] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   285] <... write resumed>)        = 152
[pid   285] futex(0x7f0fe7dd83fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   26.783766][  T283] RSP: 0018:ffffc90000b37960 EFLAGS: 00010202
[   26.808722][   T24] audit: type=1400 audit(1756392191.560:69): 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
[   26.815734][  T283] 
[   26.815744][  T283] RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff888107ffe2c0
[   26.815750][  T283] RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff888107ffe2c0
[   26.815755][  T283] RBP: ffffc90000b37b70 R08: dffffc0000000000 R09: ffffed102428f3a4
[   26.815761][  T283] R10: ffffed102428f3a4 R11: 1ffff1102428f3a3 R12: 0000000000000000
[   26.815766][  T283] R13: 0000000000000000 R14: ffff88811be9ac18 R15: dffffc0000000000
[   26.815774][  T283] FS:  00007f0fe7d0d6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   26.815780][  T283] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.815786][  T283] CR2: 0000200000006000 CR3: 000000011de7f000 CR4: 00000000003506b0
[   26.815793][  T283] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   26.815799][  T283] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   26.815802][  T283] Call Trace:
[   26.815822][  T283]  ? __stack_depot_save+0x479/0x4c0
[   26.815843][  T283]  ? do_filp_open+0x3e0/0x3e0
[   26.825474][   T24] audit: type=1400 audit(1756392191.560:70): 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
[   26.835401][  T283]  do_filp_open+0x1b3/0x3e0
[pid   285] futex(0x7f0fe7dd83f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   282] exit_group(0)               = ?
[pid   285] <... futex resumed>)        = ?
[pid   285] +++ exited with 0 +++
[   26.835413][  T283]  ? vfs_tmpfile+0x2c0/0x2c0
[   26.835424][  T283]  ? get_unused_fd_flags+0x92/0xa0
[   26.835432][  T283]  do_sys_openat2+0x14c/0x6d0
[   26.835440][  T283]  ? do_sys_open+0xe0/0xe0
[   26.835451][  T283]  ? __kasan_check_write+0x14/0x20
[   26.835461][  T283]  ? _copy_from_user+0x95/0xd0
[   26.835469][  T283]  __x64_sys_openat2+0x20e/0x270
[   26.835476][  T283]  ? __ia32_sys_openat+0x160/0x160
[   26.835499][  T283]  ? debug_smp_processor_id+0x17/0x20
[   26.841486][   T24] audit: type=1400 audit(1756392191.560:71): 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
[   26.860553][  T283]  ? syscall_trace_enter+0x4b/0x170
[   26.860565][  T283]  do_syscall_64+0x31/0x40
[   26.860577][  T283]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   26.860586][  T283] RIP: 0033:0x7f0fe7d4b539
[   26.860598][  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
[   26.860615][  T283] RSP: 002b:00007f0fe7d0d218 EFLAGS: 00000246
[   26.867064][   T24] audit: type=1400 audit(1756392191.560:72): 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
[   26.888781][  T283]  ORIG_RAX: 00000000000001b5
[   26.888791][  T283] RAX: ffffffffffffffda RBX: 00007f0fe7dd83e8 RCX: 00007f0fe7d4b539
[   26.888797][  T283] RDX: 0000200000000100 RSI: 0000200000000000 RDI: 00000000ffffff9c
[   26.888802][  T283] RBP: 00007f0fe7dd83e0 R08: 0000000000000000 R09: 0000000000000000
[   26.888807][  T283] R10: 0000000000000018 R11: 0000000000000246 R12: 00007f0fe7da5034
[   26.888812][  T283] R13: 0000200000004280 R14: 00007f0fe7da300e R15: 00002000000020c0
[   26.888820][  T283] Modules linked in:
[   26.889523][  T283] ---[ end trace 77739026dae48e03 ]---
[   26.892098][   T24] audit: type=1400 audit(1756392191.560:73): 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
[   26.900467][  T283] RIP: 0010:path_openat+0x1738/0x3160
[   27.225157][  T283] Code: ae 61 02 00 49 63 de 4c 8b 74 24 38 e9 86 fb ff ff e8 ec 79 bb ff 44 8b 6c 24 14 44 8b a4 24 80 00 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 75 09 00 00 44 8b 33 be 00 00 70 00 44
[   27.245175][  T283] RSP: 0018:ffffc90000b37960 EFLAGS: 00010202
[   27.251329][  T283] RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff888107ffe2c0
[   27.259376][  T283] RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff888107ffe2c0
[   27.267390][  T283] RBP: ffffc90000b37b70 R08: dffffc0000000000 R09: ffffed102428f3a4
[   27.275437][  T283] R10: ffffed102428f3a4 R11: 1ffff1102428f3a3 R12: 0000000000000000
[   27.283456][  T283] R13: 0000000000000000 R14: ffff88811be9ac18 R15: dffffc0000000000
[   27.291409][  T283] FS:  00007f0fe7d0d6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   27.300403][  T283] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.307181][  T283] CR2: 00007f0fe7da2118 CR3: 000000011de7f000 CR4: 00000000003506a0
[   27.315868][  T283] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   27.323961][  T283] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   27.331926][  T283] Kernel panic - not syncing: Fatal exception
[   27.338293][  T283] Kernel Offset: disabled
[   27.342602][  T283] Rebooting in 86400 seconds..