./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor369970127

<...>
Warning: Permanently added '10.128.0.240' (ED25519) to the list of known hosts.
execve("./syz-executor369970127", ["./syz-executor369970127"], 0x7ffd1a9128a0 /* 10 vars */) = 0
brk(NULL)                               = 0x5555741bb000
brk(0x5555741bbe00)                     = 0x5555741bbe00
arch_prctl(ARCH_SET_FS, 0x5555741bb480) = 0
set_tid_address(0x5555741bb750)         = 288
set_robust_list(0x5555741bb760, 24)     = 0
rseq(0x5555741bbda0, 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-executor369970127", 4096) = 27
getrandom("\xe9\x1d\x4f\xc9\xec\xfb\xd4\xe5", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555741bbe00
brk(0x5555741dce00)                     = 0x5555741dce00
brk(0x5555741dd000)                     = 0x5555741dd000
mprotect(0x7ff2828d8000, 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
rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGSEGV, {sa_handler=0x7ff28281db50, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7ff282826170}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x7ff28281db50, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7ff282826170}, NULL, 8) = 0
executing program
write(1, "executing program\n", 18)     = 18
futex(0x7ff2828de3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7ff28287b1e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff282826170}, 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) = 0x7ff2827f3000
mprotect(0x7ff2827f4000, 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=0x7ff282813990, parent_tid=0x7ff282813990, exit_signal=0, stack=0x7ff2827f3000, stack_size=0x20240, tls=0x7ff2828136c0}./strace-static-x86_64: Process 289 attached
 => {parent_tid=[289]}, 88) = 289
[pid   288] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   288] futex(0x7ff2828de3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   288] futex(0x7ff2828de3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   289] set_robust_list(0x7ff2828139a0, 24) = 0
[pid   289] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   289] mkdir("./file0", 0777)      = 0
[pid   289] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid   289] futex(0x7ff2828de3ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   288] <... futex resumed>)        = 0
[pid   289] <... futex resumed>)        = 1
[pid   288] futex(0x7ff2828de3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   288] futex(0x7ff2828de3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   289] openat(AT_FDCWD, "/dev/fuse", O_RDWR) = 3
[pid   289] futex(0x7ff2828de3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   289] futex(0x7ff2828de3e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   288] <... futex resumed>)        = 0
[pid   288] futex(0x7ff2828de3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   289] <... futex resumed>)        = 0
[pid   288] futex(0x7ff2828de3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   289] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0
[pid   289] futex(0x7ff2828de3ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   288] <... futex resumed>)        = 0
[pid   288] futex(0x7ff2828de3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   288] futex(0x7ff2828de3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   289] <... futex resumed>)        = 1
[pid   289] 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"..., 8224) = 104
[pid   289] futex(0x7ff2828de3ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   288] <... futex resumed>)        = 0
[   39.548190][   T30] audit: type=1400 audit(1747686018.781:64): avc:  denied  { execmem } for  pid=288 comm="syz-executor369" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[pid   288] futex(0x7ff2828de3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   288] futex(0x7ff2828de3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   289] <... futex resumed>)        = 1
[   39.575476][   T30] audit: type=1400 audit(1747686018.811:65): avc:  denied  { read write } for  pid=288 comm="syz-executor369" 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
[   39.601171][   T30] audit: type=1400 audit(1747686018.811:66): avc:  denied  { open } for  pid=288 comm="syz-executor369" 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
[pid   289] read(3,  <unfinished ...>
[pid   288] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   288] futex(0x7ff2828de3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff2827d2000
[pid   288] mprotect(0x7ff2827d3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   288] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   288] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff2827f2990, parent_tid=0x7ff2827f2990, exit_signal=0, stack=0x7ff2827d2000, stack_size=0x20240, tls=0x7ff2827f26c0} => {parent_tid=[291]}, 88) = 291
[pid   288] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   288] futex(0x7ff2828de3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   288] futex(0x7ff2828de3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 291 attached
 <unfinished ...>
[pid   291] set_robust_list(0x7ff2827f29a0, 24) = 0
[pid   291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   291] write(3, "\x18\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00", 24) = 24
[pid   291] futex(0x7ff2828de3fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   288] <... futex resumed>)        = 0
[pid   288] futex(0x7ff2828de3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   288] futex(0x7ff2828de3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   291] <... futex resumed>)        = 1
[pid   291] creat("./file0/file0", 000 <unfinished ...>
[pid   289] <... 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\x23\x01\x00\x00\x00\x00\x00\x00\x66\x69\x6c\x65\x30\x00", 8192) = 46
[pid   289] write(3, "\x90\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\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 144) = 144
[pid   289] futex(0x7ff2828de3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   39.625962][   T30] audit: type=1400 audit(1747686018.831:67): avc:  denied  { mounton } for  pid=288 comm="syz-executor369" path="/root/file0" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   39.652043][   T30] audit: type=1400 audit(1747686018.831:68): avc:  denied  { mount } for  pid=288 comm="syz-executor369" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[   39.660076][  T291] general protection fault, probably for non-canonical address 0xdffffc0000000007: 0000 [#1] PREEMPT SMP KASAN
[   39.687444][  T291] KASAN: null-ptr-deref in range [0x0000000000000038-0x000000000000003f]
[   39.696649][  T291] CPU: 1 PID: 291 Comm: syz-executor369 Not tainted 5.15.182-syzkaller-00462-g57725b368731 #0
[   39.707863][  T291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
[   39.718105][  T291] RIP: 0010:fuse_atomic_open+0x238/0x2140
[   39.724348][  T291] Code: 89 de 83 e6 40 31 ff e8 d6 0a 72 ff 89 d8 83 e0 40 75 07 e8 1a 07 72 ff eb 2e 48 8b 44 24 58 48 8d 58 30 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 29 78 b0 ff 48 83 3b 00 0f 84 9c
[   39.749596][  T291] RSP: 0018:ffffc90000a77380 EFLAGS: 00010202
[   39.755667][  T291] RAX: 0000000000000007 RBX: 0000000000000038 RCX: ffff8881047d2780
[   39.763894][  T291] RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000000000000
[   39.772441][  T291] RBP: ffffc90000a779b0 R08: ffff8881047d2780 R09: 0000000000000002
[   39.781318][  T291] R10: 00000000fffffffe R11: 0000000000000000 R12: dffffc0000000000
[   39.789679][  T291] R13: ffff888120f30000 R14: 1ffff9200014ee88 R15: 0000000000000008
[   39.797756][  T291] FS:  00007ff2827f26c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   39.807045][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.814069][  T291] CR2: 0000563f72870eb8 CR3: 000000011ebf5000 CR4: 00000000003506a0
[   39.822238][  T291] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   39.830944][  T291] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   39.839002][  T291] Call Trace:
[   39.842537][  T291]  <TASK>
[   39.845949][  T291]  ? avc_alloc_node+0x8f/0x4c0
[   39.852215][  T291]  ? kmem_cache_alloc+0xf7/0x260
[   39.857520][  T291]  ? fuse_rename2+0x25f0/0x25f0
[   39.862671][  T291]  ? __kasan_check_write+0x14/0x20
[   39.868734][  T291]  ? avc_alloc_node+0x433/0x4c0
[   39.873953][  T291]  ? __kasan_check_write+0x14/0x20
[   39.879538][  T291]  ? _raw_spin_lock_irqsave+0xb0/0x110
[   39.885338][  T291]  ? _raw_spin_lock+0xe0/0xe0
[   39.890550][  T291]  ? avc_xperms_populate+0x4d3/0x590
[   39.896192][  T291]  ? _raw_spin_unlock_irqrestore+0x5b/0x80
[   39.903575][  T291]  ? avc_compute_av+0x4fd/0x830
[   39.909868][  T291]  ? avc_has_perm_noaudit+0x2f4/0x460
[   39.915719][  T291]  ? avc_denied+0x1b0/0x1b0
[   39.920674][  T291]  ? avc_has_perm+0x158/0x240
[   39.926498][  T291]  ? avc_has_perm_noaudit+0x460/0x460
[   39.932785][  T291]  ? selinux_determine_inode_label+0x290/0x3e0
[   39.940210][  T291]  ? may_create+0x377/0x460
[   39.945699][  T291]  ? selinux_determine_inode_label+0x3e0/0x3e0
[   39.952915][  T291]  ? make_kgid+0x640/0x640
[   39.957646][  T291]  ? selinux_inode_create+0x22/0x30
[   39.963213][  T291]  ? security_inode_create+0xbd/0x110
[   39.969777][  T291]  ? fuse_rename2+0x25f0/0x25f0
[   39.975509][  T291]  path_openat+0xe31/0x2f10
[   39.980364][  T291]  ? do_filp_open+0x3e0/0x3e0
[   39.985651][  T291]  do_filp_open+0x1b3/0x3e0
[   39.990178][  T291]  ? vfs_tmpfile+0x2d0/0x2d0
[   39.995086][  T291]  do_sys_openat2+0x14c/0x7b0
[   40.000747][  T291]  ? _raw_spin_unlock_irq+0x4e/0x70
[   40.006133][  T291]  ? do_sys_open+0xe0/0xe0
[   40.010558][  T291]  ? do_notify_parent+0x800/0x800
[   40.016239][  T291]  ? __kasan_check_write+0x14/0x20
[   40.021605][  T291]  __x64_sys_creat+0x8e/0xb0
[   40.026725][  T291]  x64_sys_call+0x94a/0x9a0
[   40.032314][  T291]  do_syscall_64+0x4c/0xa0
[   40.036928][  T291]  ? clear_bhb_loop+0x35/0x90
[   40.041853][  T291]  ? clear_bhb_loop+0x35/0x90
[   40.046731][  T291]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   40.053764][  T291] RIP: 0033:0x7ff2828555a9
[   40.058280][  T291] 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
[   40.079123][  T291] RSP: 002b:00007ff2827f2158 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
[   40.088498][  T291] RAX: ffffffffffffffda RBX: 0030656c69662f30 RCX: 00007ff2828555a9
[pid   289] futex(0x7ff2828de3e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   288] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[   40.098104][  T291] RDX: 00007ff2828555a9 RSI: 0000000000000000 RDI: 0000200000000080
[   40.107422][  T291] RBP: 00007ff2828de3f0 R08: 00007ff2827f26c0 R09: 00007ff2828de3f8
[   40.115879][  T291] R10: 00007ff2828de3f8 R11: 0000000000000246 R12: 00007ff2828de3fc
[   40.124807][  T291] R13: 000000000000006e R14: 00007ffdf68a8420 R15: 00007ffdf68a8508
[   40.133149][  T291]  </TASK>
[   40.137078][  T291] Modules linked in:
[   40.142174][  T291] ---[ end trace f64ae052a90ace03 ]---
[   40.148601][  T291] RIP: 0010:fuse_atomic_open+0x238/0x2140
[   40.154806][   T30] audit: type=1400 audit(1747686019.381:69): 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
[   40.154891][  T291] Code: 89 de 83 e6 40 31 ff e8 d6 0a 72 ff 89 d8 83 e0 40 75 07 e8 1a 07 72 ff eb 2e 48 8b 44 24 58 48 8d 58 30 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 29 78 b0 ff 48 83 3b 00 0f 84 9c
[   40.178335][   T30] audit: type=1400 audit(1747686019.381:70): 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
[   40.198266][  T291] RSP: 0018:ffffc90000a77380 EFLAGS: 00010202
[   40.220531][   T30] audit: type=1400 audit(1747686019.381:71): 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
[   40.226835][  T291] RAX: 0000000000000007 RBX: 0000000000000038 RCX: ffff8881047d2780
[   40.248975][   T30] audit: type=1400 audit(1747686019.381:72): 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
[   40.257818][  T291] RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000000000000
[   40.279095][   T30] audit: type=1400 audit(1747686019.381:73): 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
[   40.287442][  T291] RBP: ffffc90000a779b0 R08: ffff8881047d2780 R09: 0000000000000002
[   40.318664][  T291] R10: 00000000fffffffe R11: 0000000000000000 R12: dffffc0000000000
[   40.328355][  T291] R13: ffff888120f30000 R14: 1ffff9200014ee88 R15: 0000000000000008
[   40.336669][  T291] FS:  00007ff2827f26c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   40.346322][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.353504][  T291] CR2: 0000563f72870eb8 CR3: 000000011ebf5000 CR4: 00000000003506a0
[   40.362598][  T291] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   40.371038][  T291] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   40.379039][  T291] Kernel panic - not syncing: Fatal exception
[   40.385456][  T291] Kernel Offset: disabled
[   40.389788][  T291] Rebooting in 86400 seconds..