./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor542061886

<...>
Warning: Permanently added '10.128.0.149' (ED25519) to the list of known hosts.
execve("./syz-executor542061886", ["./syz-executor542061886"], 0x7ffd29788f30 /* 10 vars */) = 0
brk(NULL)                               = 0x5555619f5000
brk(0x5555619f5d40)                     = 0x5555619f5d40
arch_prctl(ARCH_SET_FS, 0x5555619f53c0) = 0
set_tid_address(0x5555619f5690)         = 301
set_robust_list(0x5555619f56a0, 24)     = 0
rseq(0x5555619f5ce0, 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-executor542061886", 4096) = 27
getrandom("\xb6\xe5\xec\x0e\x9d\x66\x70\x85", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555619f5d40
brk(0x555561a16d40)                     = 0x555561a16d40
brk(0x555561a17000)                     = 0x555561a17000
mprotect(0x7f67836ea000, 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
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555619f5690) = 302
./strace-static-x86_64: Process 302 attached
[pid   302] set_robust_list(0x5555619f56a0, 24) = 0
[pid   302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   302] setpgid(0, 0)               = 0
[pid   302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   302] write(3, "1000", 4)         = 4
[pid   302] close(3)                    = 0
[pid   302] write(1, "executing program\n", 18executing program
) = 18
[pid   302] futex(0x7f67836f03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   302] rt_sigaction(SIGRT_1, {sa_handler=0x7f6783689de0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f678367b460}, NULL, 8) = 0
[pid   302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6783604000
[pid   302] mprotect(0x7f6783605000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   302] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6783624990, parent_tid=0x7f6783624990, exit_signal=0, stack=0x7f6783604000, stack_size=0x20300, tls=0x7f67836246c0} => {parent_tid=[303]}, 88) = 303
[pid   302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   302] futex(0x7f67836f03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   302] futex(0x7f67836f03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 303 attached
 <unfinished ...>
[pid   303] set_robust_list(0x7f67836249a0, 24) = 0
[pid   303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   303] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   303] futex(0x7f67836f03ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   302] <... futex resumed>)        = 0
[pid   302] futex(0x7f67836f03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   302] futex(0x7f67836f03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   303] <... futex resumed>)        = 1
[pid   303] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000) = 3
[pid   303] futex(0x7f67836f03ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   302] <... futex resumed>)        = 0
[pid   302] futex(0x7f67836f03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   302] futex(0x7f67836f03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   303] <... futex resumed>)        = 1
[pid   303] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0
[pid   303] futex(0x7f67836f03ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   302] <... futex resumed>)        = 0
[pid   302] futex(0x7f67836f03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   302] futex(0x7f67836f03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   303] <... futex resumed>)        = 1
[pid   303] 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   303] futex(0x7f67836f03ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   302] <... futex resumed>)        = 0
[pid   302] futex(0x7f67836f03e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   302] futex(0x7f67836f03ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   303] <... futex resumed>)        = 1
[   27.670476][   T28] audit: type=1400 audit(1736043629.219:66): avc:  denied  { execmem } for  pid=301 comm="syz-executor542" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   27.690235][   T28] audit: type=1400 audit(1736043629.219:67): avc:  denied  { read write } for  pid=302 comm="syz-executor542" 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   303] read(3,  <unfinished ...>
[pid   302] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   302] futex(0x7f67836f03fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f67835e3000
[pid   302] mprotect(0x7f67835e4000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   302] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6783603990, parent_tid=0x7f6783603990, exit_signal=0, stack=0x7f67835e3000, stack_size=0x20300, tls=0x7f67836036c0} => {parent_tid=[305]}, 88) = 305
[pid   302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   302] futex(0x7f67836f03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   302] futex(0x7f67836f03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 305 attached
 <unfinished ...>
[pid   305] set_robust_list(0x7f67836039a0, 24) = 0
[pid   305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   305] 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   305] futex(0x7f67836f03fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   302] <... futex resumed>)        = 0
[pid   302] futex(0x7f67836f03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   302] futex(0x7f67836f03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   305] <... futex resumed>)        = 1
[pid   305] futex(0x7f67836f03fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   302] <... futex resumed>)        = 0
[pid   302] futex(0x7f67836f03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   302] futex(0x7f67836f03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   305] <... futex resumed>)        = 1
[pid   305] futex(0x7f67836f03fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   302] <... futex resumed>)        = 0
[pid   302] futex(0x7f67836f03f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   302] futex(0x7f67836f03fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   305] <... futex resumed>)        = 1
[pid   305] open("./file0/file0", O_RDWR <unfinished ...>
[pid   303] <... 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\x31\x01\x00\x00\x00\x00\x00\x00\x66\x69\x6c\x65\x30\x00", 8192) = 46
[pid   303] write(3, "\xa7\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 167) = 167
[pid   303] futex(0x7f67836f03ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   27.713590][   T28] audit: type=1400 audit(1736043629.219:68): avc:  denied  { open } for  pid=302 comm="syz-executor542" 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
[   27.737106][   T28] audit: type=1400 audit(1736043629.229:69): avc:  denied  { mounton } for  pid=302 comm="syz-executor542" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   27.740841][  T305] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
[   27.760370][   T28] audit: type=1400 audit(1736043629.229:70): avc:  denied  { mount } for  pid=302 comm="syz-executor542" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[   27.771126][  T305] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
[   27.771141][  T305] CPU: 1 PID: 305 Comm: syz-executor542 Not tainted 6.1.118-syzkaller-00078-ge2b9748880b9 #0
[   27.771161][  T305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   27.771172][  T305] RIP: 0010:path_openat+0x133f/0x2d60
[   27.826327][  T305] Code: ff ff 48 8b 3c 24 e8 70 d8 02 00 48 63 db 4c 8b 74 24 08 eb 5f e8 91 37 ac ff 4c 8b 74 24 08 48 8b 1c 24 48 89 d8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 1c 0b 00 00 48 89 1c 24 8b 1b be 00 00
[   27.845765][  T305] RSP: 0018:ffffc90000f67940 EFLAGS: 00010203
[   27.851668][  T305] RAX: 0000000000000002 RBX: 0000000000000017 RCX: ffff888111515100
[   27.859478][  T305] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000
[   27.867289][  T305] RBP: ffffc90000f67b30 R08: ffffffff81cc2878 R09: fffff520001ecf0d
[   27.875100][  T305] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
[   27.882933][  T305] R13: dffffc0000000000 R14: ffffc90000f67b88 R15: ffffc90000f67da0
[   27.890743][  T305] FS:  00007f67836036c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   27.899490][  T305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.905913][  T305] CR2: 000055ec59bbdc98 CR3: 000000011f99b000 CR4: 00000000003506a0
[   27.913731][  T305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   27.921536][  T305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   27.929350][  T305] Call Trace:
[   27.932475][  T305]  <TASK>
[   27.935251][  T305]  ? __die_body+0x62/0xb0
[   27.939416][  T305]  ? die_addr+0x9f/0xd0
[   27.943407][  T305]  ? exc_general_protection+0x317/0x4c0
[   27.948796][  T305]  ? asm_exc_general_protection+0x27/0x30
[   27.954345][  T305]  ? fast_dput+0x78/0x2a0
[   27.958513][  T305]  ? path_openat+0x133f/0x2d60
[   27.963114][  T305]  ? fuse_rename2+0x4ad0/0x4ad0
[   27.967808][  T305]  ? do_filp_open+0x480/0x480
[   27.972318][  T305]  do_filp_open+0x230/0x480
[   27.976652][  T305]  ? vfs_tmpfile+0x480/0x480
[   27.981084][  T305]  ? alloc_fd+0x4fe/0x5a0
[   27.985246][  T305]  do_sys_openat2+0x151/0x870
[   27.989757][  T305]  ? memset+0x35/0x40
[   27.993578][  T305]  ? do_sys_open+0x220/0x220
[   27.998009][  T305]  ? ptrace_notify+0x249/0x350
[   28.002602][  T305]  __x64_sys_open+0x221/0x270
[   28.007117][  T305]  ? do_sys_openat2+0x870/0x870
[   28.011815][  T305]  x64_sys_call+0x36/0x9a0
[   28.016056][  T305]  do_syscall_64+0x3b/0xb0
[   28.020315][  T305]  ? clear_bhb_loop+0x55/0xb0
[   28.024836][  T305]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   28.030569][  T305] RIP: 0033:0x7f6783663ea9
[   28.034805][  T305] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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
[   28.054247][  T305] RSP: 002b:00007f6783603218 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
[   28.062492][  T305] RAX: ffffffffffffffda RBX: 00007f67836f03f8 RCX: 00007f6783663ea9
[pid   303] futex(0x7f67836f03e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   302] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[   28.070315][  T305] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000200001c0
[   28.078123][  T305] RBP: 00007f67836f03f0 R08: 0000000000000000 R09: 0000000000000000
[   28.085932][  T305] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f67836bd094
[   28.093739][  T305] R13: 000000000000006e R14: 0030656c69662f30 R15: 2f30656c69662f2e
[   28.101554][  T305]  </TASK>
[   28.104503][  T305] Modules linked in:
[   28.108915][  T305] ---[ end trace 0000000000000000 ]---
[   28.114263][  T305] RIP: 0010:path_openat+0x133f/0x2d60
[   28.119508][  T305] Code: ff ff 48 8b 3c 24 e8 70 d8 02 00 48 63 db 4c 8b 74 24 08 eb 5f e8 91 37 ac ff 4c 8b 74 24 08 48 8b 1c 24 48 89 d8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 1c 0b 00 00 48 89 1c 24 8b 1b be 00 00
[   28.138938][  T305] RSP: 0018:ffffc90000f67940 EFLAGS: 00010203
[   28.144854][  T305] RAX: 0000000000000002 RBX: 0000000000000017 RCX: ffff888111515100
[   28.152654][  T305] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000
[   28.160455][  T305] RBP: ffffc90000f67b30 R08: ffffffff81cc2878 R09: fffff520001ecf0d
[   28.168251][  T305] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
[   28.176085][  T305] R13: dffffc0000000000 R14: ffffc90000f67b88 R15: ffffc90000f67da0
[   28.183891][  T305] FS:  00007f67836036c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   28.192874][  T305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.199272][  T305] CR2: 000055ec59baeab8 CR3: 000000011f99b000 CR4: 00000000003506b0
[   28.207068][  T305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   28.214905][  T305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   28.222859][  T305] Kernel panic - not syncing: Fatal exception
[   28.229252][  T305] Kernel Offset: disabled
[   28.233412][  T305] Rebooting in 86400 seconds..