./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..