./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3613761597

<...>
Warning: Permanently added '10.128.0.106' (ED25519) to the list of known hosts.
execve("./syz-executor3613761597", ["./syz-executor3613761597"], 0x7fff96321950 /* 10 vars */) = 0
brk(NULL)                               = 0x555555bfd000
brk(0x555555bfdd40)                     = 0x555555bfdd40
arch_prctl(ARCH_SET_FS, 0x555555bfd3c0) = 0
set_tid_address(0x555555bfd690)         = 299
set_robust_list(0x555555bfd6a0, 24)     = 0
rseq(0x555555bfdce0, 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-executor3613761597", 4096) = 28
getrandom("\xef\x3f\x50\x07\xff\x21\xac\x20", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555555bfdd40
brk(0x555555c1ed40)                     = 0x555555c1ed40
brk(0x555555c1f000)                     = 0x555555c1f000
mprotect(0x7f723451e000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
write(1, "executing program\n", 18executing program
)     = 18
futex(0x7f72345243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f72344bd520, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f72344aeba0}, 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) = 0x7f7234439000
mprotect(0x7f723443a000, 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=0x7f7234459990, parent_tid=0x7f7234459990, exit_signal=0, stack=0x7f7234439000, stack_size=0x20300, tls=0x7f72344596c0} => {parent_tid=[300]}, 88) = 300
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
futex(0x7f72345243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
futex(0x7f72345243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 300 attached
 <unfinished ...>
[pid   300] set_robust_list(0x7f72344599a0, 24) = 0
[pid   300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   300] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   300] futex(0x7f72345243ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   299] <... futex resumed>)        = 0
[pid   299] futex(0x7f72345243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   299] futex(0x7f72345243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   300] <... futex resumed>)        = 1
[pid   300] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000) = 3
[pid   300] futex(0x7f72345243ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   299] <... futex resumed>)        = 0
[pid   299] futex(0x7f72345243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   299] futex(0x7f72345243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   300] <... futex resumed>)        = 1
[pid   300] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0
[pid   300] futex(0x7f72345243ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   299] <... futex resumed>)        = 0
[pid   299] futex(0x7f72345243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   299] futex(0x7f72345243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   300] <... futex resumed>)        = 1
[pid   300] 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   300] futex(0x7f72345243ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   299] <... futex resumed>)        = 0
[pid   299] futex(0x7f72345243e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   299] futex(0x7f72345243ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   300] <... futex resumed>)        = 1
[   25.271905][   T28] audit: type=1400 audit(1735999019.235:66): avc:  denied  { execmem } for  pid=299 comm="syz-executor361" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   25.291583][   T28] audit: type=1400 audit(1735999019.245:67): avc:  denied  { read write } for  pid=299 comm="syz-executor361" 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   300] read(3,  <unfinished ...>
[pid   299] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   299] futex(0x7f72345243fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7234418000
[pid   299] mprotect(0x7f7234419000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   299] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f7234438990, parent_tid=0x7f7234438990, exit_signal=0, stack=0x7f7234418000, stack_size=0x20300, tls=0x7f72344386c0} => {parent_tid=[302]}, 88) = 302
[pid   299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   299] futex(0x7f72345243f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   299] futex(0x7f72345243fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 302 attached
 <unfinished ...>
[pid   302] set_robust_list(0x7f72344389a0, 24) = 0
[pid   302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   302] write(3, "\x50\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x29\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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   302] futex(0x7f72345243fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   299] <... futex resumed>)        = 0
[pid   299] futex(0x7f72345243f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   299] futex(0x7f72345243fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   302] <... futex resumed>)        = 1
[pid   302] unlink("./file0/file0" <unfinished ...>
[pid   300] <... 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\x2e\x01\x00\x00\x00\x00\x00\x00\x66\x69\x6c\x65\x30\x00", 8192) = 46
[pid   300] write(3, "\x9a\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\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xfd\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 154) = 154
[pid   300] futex(0x7f72345243ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   25.315271][   T28] audit: type=1400 audit(1735999019.245:68): avc:  denied  { open } for  pid=299 comm="syz-executor361" 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
[   25.338622][   T28] audit: type=1400 audit(1735999019.245:69): avc:  denied  { mounton } for  pid=299 comm="syz-executor361" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   25.343899][  T302] general protection fault, probably for non-canonical address 0xdffffc0000000007: 0000 [#1] PREEMPT SMP KASAN
[   25.361589][   T28] audit: type=1400 audit(1735999019.255:70): avc:  denied  { mount } for  pid=299 comm="syz-executor361" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[   25.372639][  T302] KASAN: null-ptr-deref in range [0x0000000000000038-0x000000000000003f]
[   25.372656][  T302] CPU: 0 PID: 302 Comm: syz-executor361 Not tainted 6.1.118-syzkaller-00078-ge2b9748880b9 #0
[   25.372676][  T302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   25.422634][  T302] RIP: 0010:do_unlinkat+0x3e1/0x920
[   25.427661][  T302] Code: de e8 c3 db ab ff 31 c0 81 fb 00 00 20 00 0f 94 c0 41 be ec ff ff ff 41 29 c6 e9 bd 00 00 00 49 8d 7d 30 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 05 e8 43 4b f3 ff 49 8b 45 30 48 89 44 24 38 4c
[   25.447104][  T302] RSP: 0018:ffffc90000e37d60 EFLAGS: 00010202
[   25.453003][  T302] RAX: 0000000000000007 RBX: 0000000000000000 RCX: ffff88811110a880
[   25.460815][  T302] RDX: ffff88811110a880 RSI: 0000000000000000 RDI: 000000000000003a
[   25.468634][  T302] RBP: ffffc90000e37ef8 R08: ffffffff81c9ae42 R09: fffff520001c6f85
[   25.476439][  T302] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[   25.484248][  T302] R13: 000000000000000a R14: dffffc0000000000 R15: 1ffff110246af75a
[   25.492084][  T302] FS:  00007f72344386c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   25.500826][  T302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.507253][  T302] CR2: 00007f7234438d58 CR3: 00000001253cd000 CR4: 00000000003506b0
[   25.515062][  T302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   25.522876][  T302] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   25.530683][  T302] Call Trace:
[   25.533807][  T302]  <TASK>
[   25.536593][  T302]  ? __die_body+0x62/0xb0
[   25.540752][  T302]  ? die_addr+0x9f/0xd0
[   25.544744][  T302]  ? exc_general_protection+0x317/0x4c0
[   25.550127][  T302]  ? asm_exc_general_protection+0x27/0x30
[   25.555678][  T302]  ? do_unlinkat+0x362/0x920
[   25.560112][  T302]  ? do_unlinkat+0x3e1/0x920
[   25.564539][  T302]  ? fsnotify_link_count+0x100/0x100
[   25.569655][  T302]  ? strncpy_from_user+0x169/0x2b0
[   25.574607][  T302]  ? getname_flags+0x1fd/0x520
[   25.579200][  T302]  __x64_sys_unlink+0x49/0x50
[   25.583712][  T302]  x64_sys_call+0x289/0x9a0
[   25.588054][  T302]  do_syscall_64+0x3b/0xb0
[   25.592303][  T302]  ? clear_bhb_loop+0x55/0xb0
[   25.596820][  T302]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   25.602546][  T302] RIP: 0033:0x7f7234497679
[   25.606799][  T302] 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
[   25.626427][  T302] RSP: 002b:00007f7234438218 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
[   25.634692][  T302] RAX: ffffffffffffffda RBX: 00007f72345243f8 RCX: 00007f7234497679
[   25.642481][  T302] RDX: 00007f7234497679 RSI: 00000000000f4240 RDI: 0000000020000100
[   25.650294][  T302] RBP: 00007f72345243f0 R08: 0000000000000000 R09: 0000000000000000
[   25.658103][  T302] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f72344f1034
[   25.665916][  T302] R13: 000000000000006e R14: 0030656c69662f30 R15: 2f30656c69662f2e
[pid   300] futex(0x7f72345243e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   299] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[   25.673732][  T302]  </TASK>
[   25.676589][  T302] Modules linked in:
[   25.681049][  T302] ---[ end trace 0000000000000000 ]---
[   25.686360][  T302] RIP: 0010:do_unlinkat+0x3e1/0x920
[   25.691494][  T302] Code: de e8 c3 db ab ff 31 c0 81 fb 00 00 20 00 0f 94 c0 41 be ec ff ff ff 41 29 c6 e9 bd 00 00 00 49 8d 7d 30 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 05 e8 43 4b f3 ff 49 8b 45 30 48 89 44 24 38 4c
[   25.710970][  T302] RSP: 0018:ffffc90000e37d60 EFLAGS: 00010202
[   25.716797][  T302] RAX: 0000000000000007 RBX: 0000000000000000 RCX: ffff88811110a880
[   25.724737][  T302] RDX: ffff88811110a880 RSI: 0000000000000000 RDI: 000000000000003a
[   25.732528][  T302] RBP: ffffc90000e37ef8 R08: ffffffff81c9ae42 R09: fffff520001c6f85
[   25.740355][  T302] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[   25.748149][  T302] R13: 000000000000000a R14: dffffc0000000000 R15: 1ffff110246af75a
[   25.755943][  T302] FS:  00007f72344386c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   25.764736][  T302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.771148][  T302] CR2: 00007f7234438d58 CR3: 00000001253cd000 CR4: 00000000003506b0
[   25.778982][  T302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   25.786754][  T302] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   25.794599][  T302] Kernel panic - not syncing: Fatal exception
[   25.800845][  T302] Kernel Offset: disabled
[   25.804979][  T302] Rebooting in 86400 seconds..