./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor264991215

<...>
Warning: Permanently added '10.128.0.200' (ED25519) to the list of known hosts.
execve("./syz-executor264991215", ["./syz-executor264991215"], 0x7ffc40212d00 /* 10 vars */) = 0
brk(NULL)                               = 0x555575434000
brk(0x555575434d40)                     = 0x555575434d40
arch_prctl(ARCH_SET_FS, 0x5555754343c0) = 0
set_tid_address(0x555575434690)         = 293
set_robust_list(0x5555754346a0, 24)     = 0
rseq(0x555575434ce0, 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-executor264991215", 4096) = 27
getrandom("\x8a\x88\x08\x12\x5d\x7e\xf6\xc9", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555575434d40
brk(0x555575455d40)                     = 0x555575455d40
brk(0x555575456000)                     = 0x555575456000
mprotect(0x7f06904d8000, 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(0x7f06904de3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f06904776a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0690468d20}, 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) = 0x7f06903f3000
mprotect(0x7f06903f4000, 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=0x7f0690413990, parent_tid=0x7f0690413990, exit_signal=0, stack=0x7f06903f3000, stack_size=0x20300, tls=0x7f06904136c0}./strace-static-x86_64: Process 294 attached
 <unfinished ...>
[pid   294] set_robust_list(0x7f06904139a0, 24) = 0
[pid   294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   294] futex(0x7f06904de3e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   293] <... clone3 resumed> => {parent_tid=[294]}, 88) = 294
[pid   293] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   293] futex(0x7f06904de3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   294] <... futex resumed>)        = 0
[pid   294] mkdirat(AT_FDCWD, "./file0", 000 <unfinished ...>
[pid   293] futex(0x7f06904de3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   294] <... mkdirat resumed>)      = 0
[pid   294] futex(0x7f06904de3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   293] <... futex resumed>)        = 0
[pid   294] futex(0x7f06904de3e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   293] futex(0x7f06904de3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   293] futex(0x7f06904de3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   294] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   294] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000) = 3
[pid   294] futex(0x7f06904de3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   294] futex(0x7f06904de3e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   293] <... futex resumed>)        = 0
[pid   293] futex(0x7f06904de3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   293] futex(0x7f06904de3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   294] <... futex resumed>)        = 0
[pid   294] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0
[pid   294] futex(0x7f06904de3ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   293] <... futex resumed>)        = 0
[pid   293] futex(0x7f06904de3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   293] futex(0x7f06904de3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   294] <... futex resumed>)        = 1
[pid   294] 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   294] futex(0x7f06904de3ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   293] <... futex resumed>)        = 0
[pid   293] futex(0x7f06904de3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   293] futex(0x7f06904de3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   294] <... futex resumed>)        = 1
[   21.091928][   T30] audit: type=1400 audit(1736045149.758:66): avc:  denied  { execmem } for  pid=293 comm="syz-executor264" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   21.118818][   T30] audit: type=1400 audit(1736045149.788:67): avc:  denied  { read write } for  pid=293 comm="syz-executor264" 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   294] read(3,  <unfinished ...>
[pid   293] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   293] futex(0x7f06904de3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   293] futex(0x7f06904de3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   293] futex(0x7f06904de3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f06903d2000
[pid   293] mprotect(0x7f06903d3000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   293] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f06903f2990, parent_tid=0x7f06903f2990, exit_signal=0, stack=0x7f06903d2000, stack_size=0x20300, tls=0x7f06903f26c0} => {parent_tid=[296]}, 88) = 296
[pid   293] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   293] futex(0x7f06904de3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   293] futex(0x7f06904de3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 296 attached
 <unfinished ...>
[pid   296] set_robust_list(0x7f06903f29a0, 24) = 0
[pid   296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   296] 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   296] futex(0x7f06904de3fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   293] <... futex resumed>)        = 0
[pid   293] futex(0x7f06904de3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   293] futex(0x7f06904de3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] <... futex resumed>)        = 1
[pid   296] futex(0x7f06904de3fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   293] <... futex resumed>)        = 0
[pid   293] futex(0x7f06904de3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   293] futex(0x7f06904de3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] <... futex resumed>)        = 1
[pid   296] futex(0x7f06904de3fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   293] <... futex resumed>)        = 0
[pid   293] futex(0x7f06904de3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   293] futex(0x7f06904de3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] <... futex resumed>)        = 1
[pid   296] open("./file0/file0", O_RDWR <unfinished ...>
[pid   294] <... 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\x28\x01\x00\x00\x00\x00\x00\x00\x66\x69\x6c\x65\x30\x00", 8192) = 46
[pid   294] 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   294] futex(0x7f06904de3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   21.142464][   T30] audit: type=1400 audit(1736045149.788:68): avc:  denied  { open } for  pid=293 comm="syz-executor264" 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
[   21.165763][   T30] audit: type=1400 audit(1736045149.798:69): avc:  denied  { mounton } for  pid=293 comm="syz-executor264" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   21.188579][   T30] audit: type=1400 audit(1736045149.798:70): avc:  denied  { mount } for  pid=293 comm="syz-executor264" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[   21.188756][  T296] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
[   21.221990][  T296] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
[   21.230231][  T296] CPU: 0 PID: 296 Comm: syz-executor264 Not tainted 5.15.173-syzkaller-00213-gaf461d0249a8 #0
[   21.240300][  T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   21.250203][  T296] RIP: 0010:path_openat+0x185b/0x2f40
[   21.255420][  T296] Code: b6 04 28 84 c0 0f 85 ef 07 00 00 48 8b 44 24 28 80 60 01 f8 e9 cc ed ff ff e8 f1 5f b2 ff 48 8b 5c 24 10 48 89 d8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 a6 07 00 00 49 89 de 8b 1b be 00 00 70
[   21.274846][  T296] RSP: 0018:ffffc900009c7900 EFLAGS: 00010203
[   21.280745][  T296] RAX: 0000000000000002 RBX: 0000000000000017 RCX: ffff88810c6f8000
[   21.288644][  T296] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000
[   21.296467][  T296] RBP: ffffc900009c7b50 R08: ffffffff81c0e968 R09: ffffed10213036b6
[   21.304267][  T296] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900009c7ba0
[   21.312077][  T296] R13: dffffc0000000000 R14: 0000000000000017 R15: ffffc900009c7da0
[   21.319889][  T296] FS:  00007f06903f26c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   21.328760][  T296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.335167][  T296] CR2: 00007f06903f2d58 CR3: 0000000122583000 CR4: 00000000003506b0
[   21.343124][  T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   21.350913][  T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.358719][  T296] Call Trace:
[   21.361844][  T296]  <TASK>
[   21.364623][  T296]  ? __die_body+0x62/0xb0
[   21.368784][  T296]  ? die_addr+0x9f/0xd0
[   21.372777][  T296]  ? exc_general_protection+0x311/0x4b0
[   21.378163][  T296]  ? dentry_free+0xbf/0x160
[   21.382497][  T296]  ? asm_exc_general_protection+0x27/0x30
[   21.388141][  T296]  ? fast_dput+0x78/0x2a0
[   21.392304][  T296]  ? path_openat+0x185b/0x2f40
[   21.396904][  T296]  ? __free_pages+0x61/0xf0
[   21.401254][  T296]  ? do_filp_open+0x460/0x460
[   21.405762][  T296]  do_filp_open+0x21c/0x460
[   21.410100][  T296]  ? vfs_tmpfile+0x2c0/0x2c0
[   21.414534][  T296]  do_sys_openat2+0x13f/0x820
[   21.419037][  T296]  ? cgroup_leave_frozen+0x164/0x2c0
[   21.424164][  T296]  ? do_sys_open+0x220/0x220
[   21.428588][  T296]  ? ptrace_notify+0x24c/0x350
[   21.433195][  T296]  __x64_sys_open+0x221/0x270
[   21.437698][  T296]  ? do_sys_openat2+0x820/0x820
[   21.442387][  T296]  x64_sys_call+0x36/0x9a0
[   21.446635][  T296]  do_syscall_64+0x3b/0xb0
[   21.450889][  T296]  ? clear_bhb_loop+0x35/0x90
[   21.455406][  T296]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   21.461131][  T296] RIP: 0033:0x7f06904517f9
[   21.465386][  T296] 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
[   21.484826][  T296] RSP: 002b:00007f06903f2218 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
[pid   294] futex(0x7f06904de3e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   293] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[   21.493070][  T296] RAX: ffffffffffffffda RBX: 00007f06904de3f8 RCX: 00007f06904517f9
[   21.500882][  T296] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000200001c0
[   21.508694][  T296] RBP: 00007f06904de3f0 R08: 0000000000000000 R09: 0000000000000000
[   21.516506][  T296] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f06904ab03c
[   21.524315][  T296] R13: 000000000000006e R14: 0030656c69662f30 R15: 2f30656c69662f2e
[   21.532132][  T296]  </TASK>
[   21.534991][  T296] Modules linked in:
[   21.539513][  T296] ---[ end trace 38c8f76b3519aad9 ]---
[   21.544799][  T296] RIP: 0010:path_openat+0x185b/0x2f40
[   21.550022][  T296] Code: b6 04 28 84 c0 0f 85 ef 07 00 00 48 8b 44 24 28 80 60 01 f8 e9 cc ed ff ff e8 f1 5f b2 ff 48 8b 5c 24 10 48 89 d8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 a6 07 00 00 49 89 de 8b 1b be 00 00 70
[   21.569457][  T296] RSP: 0018:ffffc900009c7900 EFLAGS: 00010203
[   21.575328][  T296] RAX: 0000000000000002 RBX: 0000000000000017 RCX: ffff88810c6f8000
[   21.583165][  T296] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000
[   21.590967][  T296] RBP: ffffc900009c7b50 R08: ffffffff81c0e968 R09: ffffed10213036b6
[   21.598799][  T296] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900009c7ba0
[   21.606578][  T296] R13: dffffc0000000000 R14: 0000000000000017 R15: ffffc900009c7da0
[   21.614411][  T296] FS:  00007f06903f26c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   21.623169][  T296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.629601][  T296] CR2: 00007f06903f2d58 CR3: 0000000122583000 CR4: 00000000003506b0
[   21.637405][  T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   21.645199][  T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.653046][  T296] Kernel panic - not syncing: Fatal exception
[   21.659110][  T296] Kernel Offset: disabled
[   21.663240][  T296] Rebooting in 86400 seconds..