./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor691748650

<...>
Warning: Permanently added '10.128.10.53' (ED25519) to the list of known hosts.
execve("./syz-executor691748650", ["./syz-executor691748650"], 0x7fff4aa869d0 /* 10 vars */) = 0
brk(NULL)                               = 0x55557b584000
brk(0x55557b584d40)                     = 0x55557b584d40
arch_prctl(ARCH_SET_FS, 0x55557b5843c0) = 0
set_tid_address(0x55557b584690)         = 289
set_robust_list(0x55557b5846a0, 24)     = 0
rseq(0x55557b584ce0, 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-executor691748650", 4096) = 27
getrandom("\x75\x49\x7c\x6a\xa1\x5e\x71\x5a", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55557b584d40
brk(0x55557b5a5d40)                     = 0x55557b5a5d40
brk(0x55557b5a6000)                     = 0x55557b5a6000
mprotect(0x7fa5faf36000, 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
executing program
write(1, "executing program\n", 18)     = 18
futex(0x7fa5faf3c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7fa5faed5320, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa5faec69a0}, 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) = 0x7fa5fae51000
mprotect(0x7fa5fae52000, 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=0x7fa5fae71990, parent_tid=0x7fa5fae71990, exit_signal=0, stack=0x7fa5fae51000, stack_size=0x20300, tls=0x7fa5fae716c0} => {parent_tid=[290]}, 88) = 290
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
futex(0x7fa5faf3c3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
futex(0x7fa5faf3c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 290 attached
 <unfinished ...>
[pid   290] set_robust_list(0x7fa5fae719a0, 24) = 0
[pid   290] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   290] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   290] futex(0x7fa5faf3c3ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   289] <... futex resumed>)        = 0
[pid   289] futex(0x7fa5faf3c3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   289] futex(0x7fa5faf3c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   290] <... futex resumed>)        = 1
[pid   290] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000) = 3
[pid   290] futex(0x7fa5faf3c3ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   289] <... futex resumed>)        = 0
[pid   289] futex(0x7fa5faf3c3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   289] futex(0x7fa5faf3c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   290] <... futex resumed>)        = 1
[pid   290] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0
[pid   290] futex(0x7fa5faf3c3ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   289] <... futex resumed>)        = 0
[pid   289] futex(0x7fa5faf3c3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   289] futex(0x7fa5faf3c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   290] <... futex resumed>)        = 1
[pid   290] 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   290] futex(0x7fa5faf3c3ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   289] <... futex resumed>)        = 0
[pid   289] futex(0x7fa5faf3c3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   289] futex(0x7fa5faf3c3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   290] <... futex resumed>)        = 1
[   28.494994][   T28] audit: type=1400 audit(1749598386.136:64): avc:  denied  { execmem } for  pid=289 comm="syz-executor691" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   28.515410][   T28] audit: type=1400 audit(1749598386.146:65): avc:  denied  { read write } for  pid=289 comm="syz-executor691" 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   290] read(3,  <unfinished ...>
[pid   289] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   289] futex(0x7fa5faf3c3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fa5fae30000
[pid   289] mprotect(0x7fa5fae31000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   289] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa5fae50990, parent_tid=0x7fa5fae50990, exit_signal=0, stack=0x7fa5fae30000, stack_size=0x20300, tls=0x7fa5fae506c0} => {parent_tid=[292]}, 88) = 292
[pid   289] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   289] futex(0x7fa5faf3c3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   289] futex(0x7fa5faf3c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 292 attached
 <unfinished ...>
[pid   292] set_robust_list(0x7fa5fae509a0, 24) = 0
[pid   292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   292] 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   292] futex(0x7fa5faf3c3fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   289] <... futex resumed>)        = 0
[pid   289] futex(0x7fa5faf3c3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   289] futex(0x7fa5faf3c3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   292] <... futex resumed>)        = 1
[pid   292] unlink("./file0/file0" <unfinished ...>
[pid   290] <... 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\x24\x01\x00\x00\x00\x00\x00\x00\x66\x69\x6c\x65\x30\x00", 8192) = 46
[pid   290] write(3, "\x90\x00\x00\x00\x00\x00\x00\x00\x04\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\x00\x00\x00\x00\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   290] futex(0x7fa5faf3c3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   28.540252][   T28] audit: type=1400 audit(1749598386.146:66): avc:  denied  { open } for  pid=289 comm="syz-executor691" 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
[   28.565818][   T28] audit: type=1400 audit(1749598386.146:67): avc:  denied  { mounton } for  pid=289 comm="syz-executor691" path="/root/file0" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   28.577097][  T292] general protection fault, probably for non-canonical address 0xdffffc0000000007: 0000 [#1] PREEMPT SMP KASAN
[   28.589223][   T28] audit: type=1400 audit(1749598386.146:68): avc:  denied  { mount } for  pid=289 comm="syz-executor691" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[   28.600960][  T292] KASAN: null-ptr-deref in range [0x0000000000000038-0x000000000000003f]
[   28.600985][  T292] CPU: 1 PID: 292 Comm: syz-executor691 Not tainted 6.1.138-syzkaller-00002-g13ff1300ee84 #0
[   28.601006][  T292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   28.601018][  T292] RIP: 0010:do_unlinkat+0x27d/0x6b0
[   28.625426][   T28] audit: type=1400 audit(1749598386.276:69): avc:  denied  { read } for  pid=84 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
[   28.632423][  T292] Code: 44 89 ee e8 45 b2 af ff 45 31 e4 41 81 fd 00 00 20 00 41 0f 95 c4 41 83 c4 eb e9 bd 00 00 00 49 8d 7e 30 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 4c 8b 7c 24 18 74 05 e8 02 05 f4 ff 49 8b 46 30 48
[   28.632448][  T292] RSP: 0018:ffffc90000e67e00 EFLAGS: 00010202
[   28.632469][  T292] RAX: 0000000000000007 RBX: 1ffff110229dba06 RCX: 0000000000000000
[   28.632482][  T292] RDX: ffff88810e5e5100 RSI: 0000000000000000 RDI: 0000000000000038
[   28.643579][   T28] audit: type=1400 audit(1749598386.276:70): avc:  denied  { search } for  pid=84 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
[   28.654275][  T292] RBP: ffffc90000e67ee8 R08: dffffc0000000000 R09: fffff520001ccf9d
[   28.654301][  T292] R10: fffff520001ccf9d R11: 1ffff920001ccf9c R12: 0000000000000000
[   28.654314][  T292] R13: dffffc0000000000 R14: 0000000000000008 R15: 0000000000000000
[   28.654325][  T292] FS:  00007fa5fae506c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   28.654343][  T292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.654355][  T292] CR2: 000056191fb9beb8 CR3: 0000000126859000 CR4: 00000000003506a0
[   28.660831][   T28] audit: type=1400 audit(1749598386.276:71): avc:  denied  { write } for  pid=84 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
[   28.683272][  T292] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   28.683303][  T292] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   28.683315][  T292] Call Trace:
[   28.683322][  T292]  <TASK>
[   28.683333][  T292]  ? __cfi_do_unlinkat+0x10/0x10
[   28.705471][   T28] audit: type=1400 audit(1749598386.276:72): avc:  denied  { add_name } for  pid=84 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[   28.710012][  T292]  ? getname_flags+0x206/0x500
[   28.718774][   T28] audit: type=1400 audit(1749598386.276:73): avc:  denied  { create } for  pid=84 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[   28.726517][  T292]  __x64_sys_unlink+0x49/0x50
[   28.726548][  T292]  x64_sys_call+0x958/0x9a0
[   28.726570][  T292]  do_syscall_64+0x4c/0xa0
[   28.906910][  T292]  ? clear_bhb_loop+0x15/0x70
[   28.911675][  T292]  ? clear_bhb_loop+0x15/0x70
[   28.916355][  T292]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   28.922508][  T292] RIP: 0033:0x7fa5faeaf479
[   28.927047][  T292] 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
[   28.947274][  T292] RSP: 002b:00007fa5fae50218 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
[   28.956272][  T292] RAX: ffffffffffffffda RBX: 00007fa5faf3c3f8 RCX: 00007fa5faeaf479
[   28.964619][  T292] RDX: 00007fa5faeaf479 RSI: 00000000000f4240 RDI: 0000200000000100
[   28.973731][  T292] RBP: 00007fa5faf3c3f0 R08: 0000000000000000 R09: 0000000000000000
[   28.982241][  T292] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa5faf09034
[pid   290] futex(0x7fa5faf3c3e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   289] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[   28.990778][  T292] R13: 0000200000004300 R14: 0000200000000100 R15: 00007ffcc576e718
[   28.999042][  T292]  </TASK>
[   29.002368][  T292] Modules linked in:
[   29.007119][  T292] ---[ end trace 0000000000000000 ]---
[   29.012767][  T292] RIP: 0010:do_unlinkat+0x27d/0x6b0
[   29.018025][  T292] Code: 44 89 ee e8 45 b2 af ff 45 31 e4 41 81 fd 00 00 20 00 41 0f 95 c4 41 83 c4 eb e9 bd 00 00 00 49 8d 7e 30 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 4c 8b 7c 24 18 74 05 e8 02 05 f4 ff 49 8b 46 30 48
[   29.038103][  T292] RSP: 0018:ffffc90000e67e00 EFLAGS: 00010202
[   29.044221][  T292] RAX: 0000000000000007 RBX: 1ffff110229dba06 RCX: 0000000000000000
[   29.052775][  T292] RDX: ffff88810e5e5100 RSI: 0000000000000000 RDI: 0000000000000038
[   29.061047][  T292] RBP: ffffc90000e67ee8 R08: dffffc0000000000 R09: fffff520001ccf9d
[   29.069182][  T292] R10: fffff520001ccf9d R11: 1ffff920001ccf9c R12: 0000000000000000
[   29.077363][  T292] R13: dffffc0000000000 R14: 0000000000000008 R15: 0000000000000000
[   29.085810][  T292] FS:  00007fa5fae506c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[pid   289] exit_group(0)               = ?
[pid   290] <... futex resumed>)        = ?
[pid   290] +++ exited with 0 +++
[   29.095035][  T292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.101903][  T292] CR2: 000056191fb9beb8 CR3: 0000000126859000 CR4: 00000000003506a0
[   29.109928][  T292] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   29.118241][  T292] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   29.126434][  T292] Kernel panic - not syncing: Fatal exception
[   29.132936][  T292] Kernel Offset: disabled
[   29.137272][  T292] Rebooting in 86400 seconds..