./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2514787136

<...>
Warning: Permanently added '10.128.0.49' (ED25519) to the list of known hosts.
execve("./syz-executor2514787136", ["./syz-executor2514787136"], 0x7ffe35524460 /* 10 vars */) = 0
brk(NULL)                               = 0x55556d29d000
brk(0x55556d29dd40)                     = 0x55556d29dd40
arch_prctl(ARCH_SET_FS, 0x55556d29d3c0) = 0
set_tid_address(0x55556d29d690)         = 290
set_robust_list(0x55556d29d6a0, 24)     = 0
rseq(0x55556d29dce0, 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-executor2514787136", 4096) = 28
getrandom("\x64\x6d\xe6\xd0\xf5\x74\x0e\xf8", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55556d29dd40
brk(0x55556d2bed40)                     = 0x55556d2bed40
brk(0x55556d2bf000)                     = 0x55556d2bf000
mprotect(0x7f940c2ee000, 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(0x7f940c2f43ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f940c28d620, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f940c27eca0}, 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) = 0x7f940c209000
mprotect(0x7f940c20a000, 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=0x7f940c229990, parent_tid=0x7f940c229990, exit_signal=0, stack=0x7f940c209000, stack_size=0x20300, tls=0x7f940c2296c0} => {parent_tid=[291]}, 88) = 291
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
futex(0x7f940c2f43e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
futex(0x7f940c2f43ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 291 attached
 <unfinished ...>
[pid   291] set_robust_list(0x7f940c2299a0, 24) = 0
[pid   291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   291] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   291] futex(0x7f940c2f43ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   290] <... futex resumed>)        = 0
[pid   290] futex(0x7f940c2f43e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   290] futex(0x7f940c2f43ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   291] <... futex resumed>)        = 1
[pid   291] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000) = 3
[pid   291] futex(0x7f940c2f43ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   290] <... futex resumed>)        = 0
[pid   290] futex(0x7f940c2f43e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   290] futex(0x7f940c2f43ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   291] <... futex resumed>)        = 1
[pid   291] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0
[pid   291] futex(0x7f940c2f43ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   290] <... futex resumed>)        = 0
[pid   290] futex(0x7f940c2f43e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   290] futex(0x7f940c2f43ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   291] <... futex resumed>)        = 1
[pid   291] 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\x26\x00\x00\x00\x00\x00\x02\x00\xfb\xff\xff\x73\x09\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"..., 8224) = 104
[pid   291] futex(0x7f940c2f43ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   290] <... futex resumed>)        = 0
[pid   290] futex(0x7f940c2f43e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   290] futex(0x7f940c2f43ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   291] <... futex resumed>)        = 1
[   26.168887][   T28] audit: type=1400 audit(1753126994.396:64): avc:  denied  { execmem } for  pid=290 comm="syz-executor251" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   26.193453][   T28] audit: type=1400 audit(1753126994.406:65): avc:  denied  { read write } for  pid=290 comm="syz-executor251" name="fuse" dev="devtmpfs" ino=93 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1
[pid   291] read(3,  <unfinished ...>
[pid   290] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   290] futex(0x7f940c2f43fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f940c1e8000
[pid   290] mprotect(0x7f940c1e9000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   290] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f940c208990, parent_tid=0x7f940c208990, exit_signal=0, stack=0x7f940c1e8000, stack_size=0x20300, tls=0x7f940c2086c0} => {parent_tid=[293]}, 88) = 293
[pid   290] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   290] futex(0x7f940c2f43f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   290] futex(0x7f940c2f43fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 293 attached
 <unfinished ...>
[pid   293] set_robust_list(0x7f940c2089a0, 24) = 0
[pid   293] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   293] write(3, "\x50\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x2b\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", 80) = 80
[pid   293] futex(0x7f940c2f43fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   290] <... futex resumed>)        = 0
[pid   290] futex(0x7f940c2f43f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   290] futex(0x7f940c2f43fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   293] <... futex resumed>)        = 1
[pid   293] futex(0x7f940c2f43fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   290] <... futex resumed>)        = 0
[pid   290] futex(0x7f940c2f43f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   290] futex(0x7f940c2f43fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   293] <... futex resumed>)        = 1
[pid   293] futex(0x7f940c2f43fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   290] <... futex resumed>)        = 0
[pid   290] futex(0x7f940c2f43f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   290] futex(0x7f940c2f43fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   293] <... futex resumed>)        = 1
[pid   293] open("./file0/file0", O_RDWR <unfinished ...>
[pid   291] <... 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\x25\x01\x00\x00\x00\x00\x00\x00\x66\x69\x6c\x65\x30\x00", 8192) = 46
[pid   291] write(3, "\xa7\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\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 167) = 167
[pid   291] futex(0x7f940c2f43ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   26.219391][   T28] audit: type=1400 audit(1753126994.406:66): avc:  denied  { open } for  pid=290 comm="syz-executor251" path="/dev/fuse" dev="devtmpfs" ino=93 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1
[   26.243589][   T28] audit: type=1400 audit(1753126994.406:67): avc:  denied  { mounton } for  pid=290 comm="syz-executor251" path="/root/file0" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   26.246417][  T293] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
[   26.267183][   T28] audit: type=1400 audit(1753126994.406:68): avc:  denied  { mount } for  pid=290 comm="syz-executor251" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[   26.278376][  T293] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
[   26.278399][  T293] CPU: 1 PID: 293 Comm: syz-executor251 Not tainted 6.1.141-syzkaller-00040-g2dbfabb0eec8 #0
[   26.278419][  T293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   26.278430][  T293] RIP: 0010:path_openat+0x1235/0x2f50
[   26.278477][  T293] Code: 89 df e8 4e 88 02 00 49 63 de 48 81 fb 00 f0 ff ff 0f 87 cd f7 ff ff eb 63 e8 67 0a b0 ff 4c 8b 6c 24 10 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 64 0d 00 00 44 8b 33 be 00 00 70 00 44
[   26.305702][   T28] audit: type=1400 audit(1753126994.526:69): avc:  denied  { read } for  pid=85 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
[   26.313045][  T293] RSP: 0018:ffffc90000dd79a0 EFLAGS: 00010203
[   26.313082][  T293] RAX: 0000000000000002 RBX: 0000000000000017 RCX: ffff88810def5100
[   26.313096][  T293] RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff88810def5100
[   26.313108][  T293] RBP: ffffc90000dd7bb0 R08: dffffc0000000000 R09: fffff520001baf19
[   26.313123][  T293] R10: fffff520001baf19 R11: 1ffff920001baf18 R12: 0000000000000002
[   26.324812][   T28] audit: type=1400 audit(1753126994.526:70): avc:  denied  { search } for  pid=85 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
[   26.334932][  T293] R13: ffffc90000dd7c00 R14: ffff88812559c018 R15: dffffc0000000000
[   26.334957][  T293] FS:  00007f940c2086c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   26.334975][  T293] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.334989][  T293] CR2: 00007f940c208d58 CR3: 0000000125406000 CR4: 00000000003506a0
[   26.335006][  T293] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   26.340975][   T28] audit: type=1400 audit(1753126994.526:71): avc:  denied  { write } for  pid=85 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
[   26.361179][  T293] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   26.361204][  T293] Call Trace:
[   26.361210][  T293]  <TASK>
[   26.361226][  T293]  ? do_filp_open+0x3c0/0x3c0
[   26.361256][  T293]  do_filp_open+0x1c1/0x3c0
[   26.385371][   T28] audit: type=1400 audit(1753126994.526:72): avc:  denied  { add_name } for  pid=85 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[   26.391240][  T293]  ? __cfi_do_filp_open+0x10/0x10
[   26.391273][  T293]  ? alloc_fd+0x4e6/0x590
[   26.391385][  T293]  do_sys_openat2+0x185/0x7e0
[   26.400512][   T28] audit: type=1400 audit(1753126994.526:73): avc:  denied  { create } for  pid=85 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[   26.409077][  T293]  ? _raw_spin_unlock_irq+0x4d/0x70
[   26.409123][  T293]  ? ptrace_notify+0x1d1/0x250
[   26.409153][  T293]  ? do_sys_open+0xe0/0xe0
[   26.605393][  T293]  ? __cfi_ptrace_notify+0x10/0x10
[   26.610892][  T293]  ? xfd_validate_state+0x70/0x150
[   26.616221][  T293]  __x64_sys_open+0x11c/0x140
[   26.621283][  T293]  x64_sys_call+0x97b/0x9a0
[   26.626173][  T293]  do_syscall_64+0x4c/0xa0
[   26.630877][  T293]  ? clear_bhb_loop+0x30/0x80
[   26.636193][  T293]  ? clear_bhb_loop+0x30/0x80
[   26.641991][  T293]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   26.648283][  T293] RIP: 0033:0x7f940c267779
[   26.653066][  T293] 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
[   26.673401][  T293] RSP: 002b:00007f940c208218 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
[   26.681832][  T293] RAX: ffffffffffffffda RBX: 00007f940c2f43f8 RCX: 00007f940c267779
[   26.689824][  T293] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00002000000001c0
[   26.697890][  T293] RBP: 00007f940c2f43f0 R08: 0000000000000000 R09: 0000000000000000
[   26.706093][  T293] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f940c2c103c
[   26.714105][  T293] R13: 00002000000042c0 R14: 00002000000001c0 R15: 00007ffe095dcf08
[pid   291] futex(0x7f940c2f43e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   290] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[   26.722202][  T293]  </TASK>
[   26.725433][  T293] Modules linked in:
[   26.730135][  T293] ---[ end trace 0000000000000000 ]---
[   26.735839][  T293] RIP: 0010:path_openat+0x1235/0x2f50
[   26.741367][  T293] Code: 89 df e8 4e 88 02 00 49 63 de 48 81 fb 00 f0 ff ff 0f 87 cd f7 ff ff eb 63 e8 67 0a b0 ff 4c 8b 6c 24 10 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 64 0d 00 00 44 8b 33 be 00 00 70 00 44
[   26.761059][  T293] RSP: 0018:ffffc90000dd79a0 EFLAGS: 00010203
[   26.767143][  T293] RAX: 0000000000000002 RBX: 0000000000000017 RCX: ffff88810def5100
[   26.775393][  T293] RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff88810def5100
[   26.783532][  T293] RBP: ffffc90000dd7bb0 R08: dffffc0000000000 R09: fffff520001baf19
[   26.792422][  T293] R10: fffff520001baf19 R11: 1ffff920001baf18 R12: 0000000000000002
[   26.800736][  T293] R13: ffffc90000dd7c00 R14: ffff88812559c018 R15: dffffc0000000000
[   26.808969][  T293] FS:  00007f940c2086c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   26.818115][  T293] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.825282][  T293] CR2: 00007f940c208d58 CR3: 0000000125406000 CR4: 00000000003506a0
[   26.833331][  T293] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   26.841570][  T293] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   26.849610][  T293] Kernel panic - not syncing: Fatal exception
[   26.856239][  T293] Kernel Offset: disabled
[   26.860598][  T293] Rebooting in 86400 seconds..