ci2-android-6-12-rust/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-12-rust/syz-executor4194141480

<...>


syzkaller
syzkaller login: [   13.963776][   T36] kauditd_printk_skb: 48 callbacks suppressed
[   13.963792][   T36] audit: type=1400 audit(1790042090.459:59): avc:  denied  { transition } for  pid=232 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   13.967833][   T36] audit: type=1400 audit(1790042090.459:60): avc:  denied  { noatsecure } for  pid=232 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   13.970688][   T36] audit: type=1400 audit(1790042090.459:61): avc:  denied  { write } for  pid=232 comm="sh" path="pipe:[1570]" dev="pipefs" ino=1570 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[   13.973939][   T36] audit: type=1400 audit(1790042090.459:62): avc:  denied  { rlimitinh } for  pid=232 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   13.976686][   T36] audit: type=1400 audit(1790042090.459:63): avc:  denied  { siginh } for  pid=232 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
Warning: Permanently added '10.128.1.139' (ED25519) to the list of known hosts.
execve("ci2-android-6-12-rust/syz-executor4194141480", ["ci2-android-6-12-rust/syz-executor4194141480"], 0x7fffeb4aec30 /* 10 vars */) = 0
brk(NULL)                               = 0x555558540000
brk(0x555558540d40)                     = 0x555558540d40
arch_prctl(ARCH_SET_FS, 0x5555585403c0) = 0
set_tid_address(0x555558540690)         = 312
set_robust_list(0x5555585406a0, 24)     = 0
rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 32, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-android-6-12-rust/syz-executor4194141480", 4096) = 50
getrandom("\xf3\xa8\x56\x96\x62\x27\x0e\x1b", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555558540d40
brk(0x555558561d40)                     = 0x555558561d40
brk(0x555558562000)                     = 0x555558562000
mprotect(0x7ff1e5bdb000, 20480, 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", 18)     = 18
executing program
futex(0x7ff1e5be1b6c, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7ff1e5b43710, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff1e5b36000}, 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) = 0x7ff1e5ade000
mprotect(0x7ff1e5adf000, 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=0x7ff1e5afe990, parent_tid=0x7ff1e5afe990, exit_signal=0, stack=0x7ff1e5ade000, stack_size=0x20300, tls=0x7ff1e5afe6c0} => {parent_tid=[313]}, 88) = 313
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
futex(0x7ff1e5be1b68, FUTEX_WAKE_PRIVATE, 1000000) = 0
futex(0x7ff1e5be1b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 313 attached
 <unfinished ...>
[pid   313] set_robust_list(0x7ff1e5afe9a0, 24) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   313] mkdirat(AT_FDCWD, "./file0", 0204) = 0
[pid   313] futex(0x7ff1e5be1b6c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... futex resumed>)        = 0
[pid   312] futex(0x7ff1e5be1b68, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   312] futex(0x7ff1e5be1b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... futex resumed>)        = 1
[pid   313] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000) = 3
[pid   313] futex(0x7ff1e5be1b6c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... futex resumed>)        = 0
[pid   312] futex(0x7ff1e5be1b68, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   313] <... futex resumed>)        = 1
[pid   312] futex(0x7ff1e5be1b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0
[pid   313] futex(0x7ff1e5be1b6c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... futex resumed>)        = 0
[pid   312] futex(0x7ff1e5be1b68, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   312] futex(0x7ff1e5be1b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... futex resumed>)        = 1
[pid   313] 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   313] futex(0x7ff1e5be1b6c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... futex resumed>)        = 0
[pid   312] futex(0x7ff1e5be1b68, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   312] futex(0x7ff1e5be1b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... futex resumed>)        = 1
[   23.855541][   T36] audit: type=1400 audit(1790042100.349:64): avc:  denied  { execmem } for  pid=312 comm="syz-executor419" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   23.874955][   T36] audit: type=1400 audit(1790042100.349:65): avc:  denied  { read write } for  pid=312 comm="syz-executor419" 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   313] unlinkat(AT_FDCWD, "./file0/file0", 0 <unfinished ...>
[pid   312] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   312] futex(0x7ff1e5be1b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   312] futex(0x7ff1e5be1b7c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff1e5abd000
[pid   312] mprotect(0x7ff1e5abe000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7ff1e5add990, parent_tid=0x7ff1e5add990, exit_signal=0, stack=0x7ff1e5abd000, stack_size=0x20300, tls=0x7ff1e5add6c0}ci2-android-6-12-rust/strace-static-x86_64: Process 315 attached
 <unfinished ...>
[pid   315] set_robust_list(0x7ff1e5add9a0, 24 <unfinished ...>
[pid   312] <... clone3 resumed> => {parent_tid=[315]}, 88) = 315
[pid   315] <... set_robust_list resumed>) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] futex(0x7ff1e5be1b78, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] 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 <unfinished ...>
[pid   312] <... futex resumed>)        = 0
[pid   315] <... write resumed>)        = 24
[pid   312] futex(0x7ff1e5be1b7c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] futex(0x7ff1e5be1b7c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... futex resumed>)        = 0
[pid   312] futex(0x7ff1e5be1b78, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] read(3 <unfinished ...>
[pid   312] <... futex resumed>)        = 0
[pid   315] <... 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\x39\x01\x00\x00\x00\x00\x00\x00\x66\x69\x6c\x65\x30\x00", 8192) = 46
[   23.898438][   T36] audit: type=1400 audit(1790042100.349:66): avc:  denied  { open } for  pid=312 comm="syz-executor419" 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
[   23.922000][   T36] audit: type=1400 audit(1790042100.349:67): avc:  denied  { mounton } for  pid=312 comm="syz-executor419" path="/root/file0" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[pid   312] futex(0x7ff1e5be1b7c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] write(3, "\x90\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\xf9\xff\xff\xff\xff\xff\xff\xff\xff\x7f\x00\x00\x00\x00\x00\x00\x04\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\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00"..., 144) = 144
[   23.923294][  T313] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN PTI
[   23.944859][   T36] audit: type=1400 audit(1790042100.349:68): avc:  denied  { mount } for  pid=312 comm="syz-executor419" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[   23.957217][  T313] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
[   23.957247][  T313] CPU: 0 UID: 0 PID: 313 Comm: syz-executor419 Not tainted syzkaller #0 1e1e3c2f05ad74614550ef0faab423d4afe8f9f4
[   23.980733][   T36] audit: type=1400 audit(1790042100.479:69): avc:  denied  { read } for  pid=92 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
[   23.987658][  T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   23.987671][  T313] RIP: 0010:do_unlinkat+0x29c/0x5a0
[   23.999938][   T36] audit: type=1400 audit(1790042100.479:70): avc:  denied  { search } for  pid=92 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
[   24.021159][  T313] Code: 00 00 20 00 89 de e8 13 6a 98 ff 45 31 f6 81 fb 00 00 20 00 41 0f 95 c6 41 83 c6 eb 31 db e9 f4 00 00 00 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 04 02 00 00 41 8b 1f be 00 00 70 00 21
[   24.021182][  T313] RSP: 0018:ffffc9000126fde0 EFLAGS: 00010202
[   24.021212][  T313] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000
[   24.021223][  T313] RDX: ffff88812e4b9300 RSI: 0000000000000000 RDI: 0000000000000000
[pid   315] futex(0x7ff1e5be1b7c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   315] futex(0x7ff1e5be1b78, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] <... futex resumed>)        = 0
[   24.021234][  T313] RBP: ffffc9000126fee0 R08: ffff8881f6e50c47 R09: 1ffff1103edca188
[   24.021247][  T313] R10: dffffc0000000000 R11: ffffed103edca189 R12: ffff88811fc48000
[   24.031722][   T36] audit: type=1400 audit(1790042100.479:71): avc:  denied  { write } for  pid=92 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
[   24.036475][  T313] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000008
[   24.036490][  T313] FS:  00007ff1e5afe6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   24.036505][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.036518][  T313] CR2: 000020000000a000 CR3: 00000001057b8000 CR4: 00000000003526b0
[   24.057996][   T36] audit: type=1400 audit(1790042100.479:72): avc:  denied  { add_name } for  pid=92 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[   24.077339][  T313] Call Trace:
[   24.077349][  T313]  <TASK>
[   24.077357][  T313]  ? __cfi_do_unlinkat+0x10/0x10
[   24.077396][  T313]  ? strncpy_from_user+0x14f/0x280
[   24.083773][   T36] audit: type=1400 audit(1790042100.479:73): avc:  denied  { create } for  pid=92 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[   24.091394][  T313]  ? __kasan_check_write+0x18/0x20
[   24.229728][  T313]  ? getname_flags+0x203/0x6b0
[   24.234486][  T313]  ? __kasan_check_write+0x18/0x20
[   24.239928][  T313]  __x64_sys_unlinkat+0xda/0xf0
[   24.244780][  T313]  x64_sys_call+0x2974/0x2ee0
[   24.249444][  T313]  do_syscall_64+0x57/0xf0
[   24.253843][  T313]  ? clear_bhb_loop+0x50/0xa0
[   24.258502][  T313]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   24.264372][  T313] RIP: 0033:0x7ff1e5b30e79
[   24.268772][  T313] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 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 d0 ff ff ff f7 d8 64 89 01 48
[   24.288359][  T313] RSP: 002b:00007ff1e5afe218 EFLAGS: 00000246 ORIG_RAX: 0000000000000107
[   24.296751][  T313] RAX: ffffffffffffffda RBX: 00007ff1e5be1b68 RCX: 00007ff1e5b30e79
[pid   312] exit_group(0)               = ?
[pid   315] <... futex resumed>)        = ?
[pid   315] +++ exited with 0 +++
[   24.304707][  T313] RDX: 0000000000000000 RSI: 0000200000000040 RDI: 00000000ffffff9c
[   24.312655][  T313] RBP: 00007ff1e5be1b60 R08: 33203a6b63617473 R09: 33203a6b63617473
[   24.320625][  T313] R10: 33203a6b63617473 R11: 0000000000000246 R12: 00007ff1e5baf41c
[   24.328588][  T313] R13: 0000200000008280 R14: 00002000000020c0 R15: 00007ff1e5bab032
[   24.336568][  T313]  </TASK>
[   24.339570][  T313] Modules linked in:
[   24.343620][  T313] ---[ end trace 0000000000000000 ]---
[   24.349326][  T313] RIP: 0010:do_unlinkat+0x29c/0x5a0
[   24.354579][  T313] Code: 00 00 20 00 89 de e8 13 6a 98 ff 45 31 f6 81 fb 00 00 20 00 41 0f 95 c6 41 83 c6 eb 31 db e9 f4 00 00 00 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 04 02 00 00 41 8b 1f be 00 00 70 00 21
[   24.374322][  T313] RSP: 0018:ffffc9000126fde0 EFLAGS: 00010202
[   24.380409][  T313] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000
[   24.388404][  T313] RDX: ffff88812e4b9300 RSI: 0000000000000000 RDI: 0000000000000000
[   24.396422][  T313] RBP: ffffc9000126fee0 R08: ffff8881f6e50c47 R09: 1ffff1103edca188
[   24.404426][  T313] R10: dffffc0000000000 R11: ffffed103edca189 R12: ffff88811fc48000
[   24.412403][  T313] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000008
[   24.420402][  T313] FS:  00007ff1e5afe6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   24.429357][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.436054][  T313] CR2: 00007ff1e5baac7c CR3: 00000001057b8000 CR4: 00000000003526b0
[   24.444155][  T313] Kernel panic - not syncing: Fatal exception
[   24.450488][  T313] Kernel Offset: disabled
[   24.454796][  T313] Rebooting in 86400 seconds..