./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4013235410

<...>
Warning: Permanently added '10.128.0.167' (ED25519) to the list of known hosts.
execve("./syz-executor4013235410", ["./syz-executor4013235410"], 0x7ffdfffa64b0 /* 10 vars */) = 0
brk(NULL)                               = 0x55556d1a8000
brk(0x55556d1a8d40)                     = 0x55556d1a8d40
arch_prctl(ARCH_SET_FS, 0x55556d1a83c0) = 0
set_tid_address(0x55556d1a8690)         = 295
set_robust_list(0x55556d1a86a0, 24)     = 0
rseq(0x55556d1a8ce0, 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-executor4013235410", 4096) = 28
getrandom("\x9f\x47\x60\x60\xbf\x01\xdc\x83", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55556d1a8d40
brk(0x55556d1c9d40)                     = 0x55556d1c9d40
brk(0x55556d1ca000)                     = 0x55556d1ca000
mprotect(0x7fe268a40000, 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(0x7fe268a463ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7fe2689df520, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe2689d0ba0}, 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) = 0x7fe26895b000
mprotect(0x7fe26895c000, 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=0x7fe26897b990, parent_tid=0x7fe26897b990, exit_signal=0, stack=0x7fe26895b000, stack_size=0x20300, tls=0x7fe26897b6c0} => {parent_tid=[296]}, 88) = 296
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
futex(0x7fe268a463e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
futex(0x7fe268a463ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 296 attached
 <unfinished ...>
[pid   296] set_robust_list(0x7fe26897b9a0, 24) = 0
[pid   296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   296] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   296] futex(0x7fe268a463ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   295] <... futex resumed>)        = 0
[pid   295] futex(0x7fe268a463e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] futex(0x7fe268a463ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] <... futex resumed>)        = 1
[pid   296] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000) = 3
[pid   296] futex(0x7fe268a463ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   295] <... futex resumed>)        = 0
[pid   295] futex(0x7fe268a463e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] futex(0x7fe268a463ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] <... futex resumed>)        = 1
[pid   296] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0
[pid   296] futex(0x7fe268a463ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   295] <... futex resumed>)        = 0
[pid   295] futex(0x7fe268a463e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] futex(0x7fe268a463ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] <... futex resumed>)        = 1
[pid   296] 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   296] futex(0x7fe268a463ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   295] <... futex resumed>)        = 0
[pid   295] futex(0x7fe268a463e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] futex(0x7fe268a463ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] <... futex resumed>)        = 1
[   24.515554][   T30] audit: type=1400 audit(1736610352.787:66): avc:  denied  { execmem } for  pid=295 comm="syz-executor401" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   24.536560][   T30] audit: type=1400 audit(1736610352.807:67): avc:  denied  { read write } for  pid=295 comm="syz-executor401" 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   296] read(3,  <unfinished ...>
[pid   295] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   295] futex(0x7fe268a463fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe26893a000
[pid   295] mprotect(0x7fe26893b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   295] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   295] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe26895a990, parent_tid=0x7fe26895a990, exit_signal=0, stack=0x7fe26893a000, stack_size=0x20300, tls=0x7fe26895a6c0} => {parent_tid=[298]}, 88) = 298
[pid   295] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   295] futex(0x7fe268a463f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   24.560033][   T30] audit: type=1400 audit(1736610352.807:68): avc:  denied  { open } for  pid=295 comm="syz-executor401" 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
[   24.583554][   T30] audit: type=1400 audit(1736610352.807:69): avc:  denied  { mounton } for  pid=295 comm="syz-executor401" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[pid   295] futex(0x7fe268a463fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 298 attached
 <unfinished ...>
[pid   298] set_robust_list(0x7fe26895a9a0, 24) = 0
[pid   298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   298] 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   298] futex(0x7fe268a463fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   295] <... futex resumed>)        = 0
[pid   298] <... futex resumed>)        = 1
[pid   295] futex(0x7fe268a463f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   295] futex(0x7fe268a463fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   298] unlink("./file0/file0" <unfinished ...>
[pid   296] <... 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\x2a\x01\x00\x00\x00\x00\x00\x00\x66\x69\x6c\x65\x30\x00", 8192) = 46
[pid   296] 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   296] futex(0x7fe268a463ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   24.606368][   T30] audit: type=1400 audit(1736610352.807:70): avc:  denied  { mount } for  pid=295 comm="syz-executor401" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[   24.631539][  T298] general protection fault, probably for non-canonical address 0xdffffc0000000007: 0000 [#1] PREEMPT SMP KASAN
[   24.643179][  T298] KASAN: null-ptr-deref in range [0x0000000000000038-0x000000000000003f]
[   24.651929][  T298] CPU: 1 PID: 298 Comm: syz-executor401 Not tainted 5.15.175-syzkaller-00803-g19092c8155b4 #0
[pid   296] futex(0x7fe268a463e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   295] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   295] futex(0x7fe268a463fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[   24.662090][  T298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   24.672092][  T298] RIP: 0010:do_unlinkat+0x3e1/0x920
[   24.677099][  T298] Code: de e8 73 05 b2 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 03 5b f4 ff 49 8b 45 30 48 89 44 24 38 4c
[   24.696799][  T298] RSP: 0018:ffffc900009b7d60 EFLAGS: 00010202
[   24.702701][  T298] RAX: 0000000000000007 RBX: 0000000000000000 RCX: ffff88810c6f4f00
[   24.710512][  T298] RDX: ffff88810c6f4f00 RSI: 0000000000000000 RDI: 000000000000003a
[   24.718322][  T298] RBP: ffffc900009b7ef8 R08: ffffffff81be6a42 R09: ffffed1020084c94
[   24.726137][  T298] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[   24.733943][  T298] R13: 000000000000000a R14: dffffc0000000000 R15: 1ffff11020084c8e
[   24.742150][  T298] FS:  00007fe26895a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   24.750978][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.757397][  T298] CR2: 00007fe26895ad58 CR3: 00000001013b4000 CR4: 00000000003506a0
[pid   295] exit_group(0)               = ?
[pid   296] <... futex resumed>)        = ?
[pid   296] +++ exited with 0 +++
[   24.765218][  T298] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   24.773023][  T298] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   24.781119][  T298] Call Trace:
[   24.784216][  T298]  <TASK>
[   24.787003][  T298]  ? __die_body+0x62/0xb0
[   24.791162][  T298]  ? die_addr+0x9f/0xd0
[   24.795153][  T298]  ? exc_general_protection+0x311/0x4b0
[   24.800629][  T298]  ? __kasan_check_write+0x14/0x20
[   24.805580][  T298]  ? asm_exc_general_protection+0x27/0x30
[   24.811145][  T298]  ? do_unlinkat+0x362/0x920
[   24.815550][  T298]  ? do_unlinkat+0x3e1/0x920
[   24.819977][  T298]  ? fsnotify_link_count+0x100/0x100
[   24.825095][  T298]  ? strncpy_from_user+0x18e/0x2d0
[   24.830130][  T298]  ? getname_flags+0x1fd/0x520
[   24.834749][  T298]  __x64_sys_unlink+0x49/0x50
[   24.839273][  T298]  x64_sys_call+0x289/0x9a0
[   24.843781][  T298]  do_syscall_64+0x3b/0xb0
[   24.848055][  T298]  ? clear_bhb_loop+0x35/0x90
[   24.852535][  T298]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   24.858367][  T298] RIP: 0033:0x7fe2689b9679
[   24.862610][  T298] 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
[   24.882168][  T298] RSP: 002b:00007fe26895a218 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
[   24.890408][  T298] RAX: ffffffffffffffda RBX: 00007fe268a463f8 RCX: 00007fe2689b9679
[   24.898358][  T298] RDX: 00007fe2689b9679 RSI: 00000000000f4240 RDI: 0000000020000100
[   24.906247][  T298] RBP: 00007fe268a463f0 R08: 0000000000000000 R09: 0000000000000000
[   24.914218][  T298] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe268a13034
[   24.922028][  T298] R13: 000000000000006e R14: 0030656c69662f30 R15: 2f30656c69662f2e
[   24.930026][  T298]  </TASK>
[   24.932873][  T298] Modules linked in:
[   24.937249][  T298] ---[ end trace 9e8d030645b225e0 ]---
[   24.942550][  T298] RIP: 0010:do_unlinkat+0x3e1/0x920
[   24.947551][  T298] Code: de e8 73 05 b2 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 03 5b f4 ff 49 8b 45 30 48 89 44 24 38 4c
[   24.967065][  T298] RSP: 0018:ffffc900009b7d60 EFLAGS: 00010202
[   24.972925][  T298] RAX: 0000000000000007 RBX: 0000000000000000 RCX: ffff88810c6f4f00
[   24.980707][  T298] RDX: ffff88810c6f4f00 RSI: 0000000000000000 RDI: 000000000000003a
[   24.988673][  T298] RBP: ffffc900009b7ef8 R08: ffffffff81be6a42 R09: ffffed1020084c94
[   24.996442][  T298] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[   25.004449][  T298] R13: 000000000000000a R14: dffffc0000000000 R15: 1ffff11020084c8e
[   25.012216][  T298] FS:  00007fe26895a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   25.021414][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.027843][  T298] CR2: 00007fe26895ad58 CR3: 00000001013b4000 CR4: 00000000003506a0
[   25.035648][  T298] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   25.043472][  T298] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   25.051281][  T298] Kernel panic - not syncing: Fatal exception
[   25.057459][  T298] Kernel Offset: disabled
[   25.061605][  T298] Rebooting in 86400 seconds..