./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor892581993

<...>
Warning: Permanently added '10.128.0.54' (ED25519) to the list of known hosts.
execve("./syz-executor892581993", ["./syz-executor892581993"], 0x7ffc0ac5ec30 /* 10 vars */) = 0
brk(NULL)                               = 0x555587793000
brk(0x555587793d40)                     = 0x555587793d40
arch_prctl(ARCH_SET_FS, 0x5555877933c0) = 0
set_tid_address(0x555587793690)         = 288
set_robust_list(0x5555877936a0, 24)     = 0
rseq(0x555587793ce0, 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-executor892581993", 4096) = 27
getrandom("\x09\x89\xe5\x55\xd0\x0f\xbd\x2e", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555587793d40
brk(0x5555877b4d40)                     = 0x5555877b4d40
brk(0x5555877b5000)                     = 0x5555877b5000
mprotect(0x7f93b10fd000, 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(0x7f93b110340c, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f93b109c420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f93b108daa0}, 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) = 0x7f93b1018000
mprotect(0x7f93b1019000, 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=0x7f93b1038990, parent_tid=0x7f93b1038990, exit_signal=0, stack=0x7f93b1018000, stack_size=0x20300, tls=0x7f93b10386c0}./strace-static-x86_64: Process 289 attached
 => {parent_tid=[289]}, 88) = 289
[pid   289] set_robust_list(0x7f93b10389a0, 24 <unfinished ...>
[pid   288] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   289] <... set_robust_list resumed>) = 0
[pid   288] futex(0x7f93b1103408, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   289] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   288] futex(0x7f93b110340c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   289] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   289] seccomp(SECCOMP_SET_MODE_FILTER, 0, {len=1, filter=0x200000000380}) = 0
[pid   289] futex(0x7f93b110340c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   288] <... futex resumed>)        = 0
[pid   289] <... futex resumed>)        = 1
[pid   288] futex(0x7f93b1103408, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   288] futex(0x7f93b110340c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   289] mkdir("./file0", 000)       = 0
[pid   289] futex(0x7f93b110340c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   288] <... futex resumed>)        = 0
[pid   289] <... futex resumed>)        = 1
[pid   288] futex(0x7f93b1103408, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   289] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000 <unfinished ...>
[pid   288] <... futex resumed>)        = 0
[pid   288] futex(0x7f93b110340c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   289] <... openat resumed>)       = 3
[   22.564370][   T30] audit: type=1400 audit(1753597137.634:64): avc:  denied  { execmem } for  pid=288 comm="syz-executor892" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   22.590584][   T30] audit: type=1400 audit(1753597137.664:65): avc:  denied  { read write } for  pid=288 comm="syz-executor892" 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
[pid   289] futex(0x7f93b110340c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   288] <... futex resumed>)        = 0
[pid   289] <... futex resumed>)        = 1
[pid   288] futex(0x7f93b1103408, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   289] futex(0x7f93b1103408, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   288] <... futex resumed>)        = 0
[pid   289] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   288] futex(0x7f93b110340c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   289] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=0000000000000000040000,user_id=0x0000000000000000,group_id=0000000000"...) = 0
[pid   289] futex(0x7f93b110340c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   288] <... futex resumed>)        = 0
[pid   289] <... futex resumed>)        = 1
[pid   288] futex(0x7f93b1103408, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   289] read(3,  <unfinished ...>
[pid   288] <... futex resumed>)        = 0
[pid   289] <... read resumed>"\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   288] futex(0x7f93b110340c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   289] futex(0x7f93b110340c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   288] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   289] <... futex resumed>)        = 0
[pid   288] futex(0x7f93b1103408, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   289] 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 <unfinished ...>
[pid   288] <... futex resumed>)        = 0
[pid   289] <... write resumed>)        = 80
[pid   288] futex(0x7f93b110340c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   289] futex(0x7f93b110340c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   288] <... futex resumed>)        = 0
[pid   289] <... futex resumed>)        = 1
[pid   288] futex(0x7f93b1103408, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   289] read(3,  <unfinished ...>
[   22.614146][   T30] audit: type=1400 audit(1753597137.664:66): avc:  denied  { open } for  pid=288 comm="syz-executor892" 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
[   22.638407][   T30] audit: type=1400 audit(1753597137.704:67): avc:  denied  { mounton } for  pid=288 comm="syz-executor892" path="/root/file0" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[pid   288] futex(0x7f93b110340c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid   288] futex(0x7f93b110340c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   288] futex(0x7f93b110341c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f93b0ff7000
[pid   288] mprotect(0x7f93b0ff8000, 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=0x7f93b1017990, parent_tid=0x7f93b1017990, exit_signal=0, stack=0x7f93b0ff7000, stack_size=0x20300, tls=0x7f93b10176c0}./strace-static-x86_64: Process 291 attached
 <unfinished ...>
[pid   291] set_robust_list(0x7f93b10179a0, 24) = 0
[pid   291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   291] futex(0x7f93b1103418, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   288] <... clone3 resumed> => {parent_tid=[291]}, 88) = 291
[pid   288] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   288] futex(0x7f93b1103418, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   288] futex(0x7f93b110341c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   291] <... futex resumed>)        = 0
[pid   291] rename("./file0/../file0/file0", "./file0/../file0/file0" <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", 8231) = 46
[pid   289] write(3, "\xab\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x00\x00\x00\x00\x00\x00\x0d\x00\x00\x00"..., 171) = 171
[pid   289] futex(0x7f93b110340c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   22.661296][   T30] audit: type=1400 audit(1753597137.704:68): avc:  denied  { mount } for  pid=288 comm="syz-executor892" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[   22.688376][  T291] general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN
[   22.700275][  T291] KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]
[   22.708754][  T291] CPU: 0 PID: 291 Comm: syz-executor892 Not tainted 5.15.189-syzkaller-00079-ga71626bd56a5 #0
[   22.718968][  T291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   22.729014][  T291] RIP: 0010:do_renameat2+0x49f/0xf60
[   22.734311][  T291] Code: ff 48 89 c2 48 3d 01 f0 ff ff 72 0d 49 89 d5 e8 47 84 b6 ff e9 36 04 00 00 49 89 d4 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 04 84 c0 48 89 54 24 10 0f 85 e7 05 00 00 8b 1a be 00
[   22.754078][  T291] RSP: 0018:ffffc90000a07d00 EFLAGS: 00010206
[   22.760160][  T291] RAX: dffffc0000000000 RBX: ffff8881069a4400 RCX: ffff888107384f00
[   22.768121][  T291] RDX: 000000000000001b RSI: 0000000000000004 RDI: ffff888107384f00
[   22.776094][  T291] RBP: ffffc90000a07ed8 R08: dffffc0000000000 R09: ffffed10244b7094
[   22.784045][  T291] R10: ffffed10244b7094 R11: 1ffff110244b7093 R12: 0000000000000003
[   22.791996][  T291] R13: 0000000000000000 R14: ffffc90000a07e01 R15: ffff8881225b8440
[   22.799945][  T291] FS:  00007f93b10176c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   22.808855][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.815418][  T291] CR2: 00007f93b1017d58 CR3: 000000011eb87000 CR4: 00000000003506b0
[   22.823389][  T291] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.831667][  T291] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.839712][  T291] Call Trace:
[   22.842977][  T291]  <TASK>
[   22.845891][  T291]  ? fsnotify_move+0x450/0x450
[   22.850642][  T291]  ? getname_flags+0x206/0x500
[   22.855393][  T291]  __x64_sys_rename+0x86/0x90
[   22.860077][  T291]  x64_sys_call+0x680/0x9a0
[   22.864660][  T291]  do_syscall_64+0x4c/0xa0
[   22.869096][  T291]  ? clear_bhb_loop+0x50/0xa0
[   22.873764][  T291]  ? clear_bhb_loop+0x50/0xa0
[   22.878426][  T291]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   22.884305][  T291] RIP: 0033:0x7f93b1076579
[   22.888698][  T291] 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
[   22.908452][  T291] RSP: 002b:00007f93b1017218 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
[   22.916852][  T291] RAX: ffffffffffffffda RBX: 00007f93b1103418 RCX: 00007f93b1076579
[   22.924803][  T291] RDX: 00007f93b1076579 RSI: 0000200000000140 RDI: 0000200000000100
[   22.932756][  T291] RBP: 00007f93b1103410 R08: 0000000000000000 R09: 0000000000000000
[   22.940733][  T291] R10: 00007ffe706f5307 R11: 0000000000000246 R12: 00007f93b10d0034
[   22.948697][  T291] R13: 00002000000021c0 R14: 0000200000000100 R15: 00007ffe706f5308
[   22.956649][  T291]  </TASK>
[   22.959647][  T291] Modules linked in:
[pid   289] futex(0x7f93b1103408, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   288] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[   22.963778][  T291] ---[ end trace 3f100d74f04c050a ]---
[   22.969249][   T30] audit: type=1400 audit(1753597138.034:69): 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
[   22.970871][  T291] RIP: 0010:do_renameat2+0x49f/0xf60
[   22.990918][   T30] audit: type=1400 audit(1753597138.034:70): 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
[   22.996370][  T291] Code: ff 48 89 c2 48 3d 01 f0 ff ff 72 0d 49 89 d5 e8 47 84 b6 ff e9 36 04 00 00 49 89 d4 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 04 84 c0 48 89 54 24 10 0f 85 e7 05 00 00 8b 1a be 00
[   23.017547][   T30] audit: type=1400 audit(1753597138.034:71): 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
[   23.037302][  T291] RSP: 0018:ffffc90000a07d00 EFLAGS: 00010206
[   23.059000][   T30] audit: type=1400 audit(1753597138.034:72): 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
[   23.059034][  T291] 
[   23.065292][   T30] audit: type=1400 audit(1753597138.034:73): 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
[   23.085957][  T291] RAX: dffffc0000000000 RBX: ffff8881069a4400 RCX: ffff888107384f00
[   23.116509][  T291] RDX: 000000000000001b RSI: 0000000000000004 RDI: ffff888107384f00
[   23.124497][  T291] RBP: ffffc90000a07ed8 R08: dffffc0000000000 R09: ffffed10244b7094
[   23.132487][  T291] R10: ffffed10244b7094 R11: 1ffff110244b7093 R12: 0000000000000003
[   23.140475][  T291] R13: 0000000000000000 R14: ffffc90000a07e01 R15: ffff8881225b8440
[   23.148445][  T291] FS:  00007f93b10176c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   23.157410][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.164010][  T291] CR2: 000055b58916c778 CR3: 000000011eb87000 CR4: 00000000003506a0
[   23.171987][  T291] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.179952][  T291] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.188027][  T291] Kernel panic - not syncing: Fatal exception
[   23.194311][  T291] Kernel Offset: disabled
[   23.198630][  T291] Rebooting in 86400 seconds..