./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2623339820

<...>
Warning: Permanently added '10.128.0.31' (ED25519) to the list of known hosts.
execve("./syz-executor2623339820", ["./syz-executor2623339820"], 0x7ffeb1c95af0 /* 10 vars */) = 0
brk(NULL)                               = 0x555593624000
brk(0x555593624d40)                     = 0x555593624d40
arch_prctl(ARCH_SET_FS, 0x5555936243c0) = 0
set_tid_address(0x555593624690)         = 298
set_robust_list(0x5555936246a0, 24)     = 0
rseq(0x555593624ce0, 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-executor2623339820", 4096) = 28
getrandom("\xf7\xfd\xe8\xd1\xc8\x6f\xbb\xe9", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555593624d40
brk(0x555593645d40)                     = 0x555593645d40
brk(0x555593646000)                     = 0x555593646000
mprotect(0x7f15624dd000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
executing program
write(1, "executing program\n", 18)     = 18
futex(0x7f15624e33cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f1562479630, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f156246acb0}, 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) = 0x7f15623f2000
mprotect(0x7f15623f3000, 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=0x7f1562412990, parent_tid=0x7f1562412990, exit_signal=0, stack=0x7f15623f2000, stack_size=0x20300, tls=0x7f15624126c0} => {parent_tid=[300]}, 88) = 300
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
futex(0x7f15624e33c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
futex(0x7f15624e33cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 300 attached
 <unfinished ...>
[pid   300] set_robust_list(0x7f15624129a0, 24) = 0
[pid   300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   300] openat(AT_FDCWD, "/dev/fuse", O_RDWR) = 3
[pid   300] futex(0x7f15624e33cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   300] futex(0x7f15624e33c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   298] <... futex resumed>)        = 0
[pid   298] futex(0x7f15624e33c8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   300] <... futex resumed>)        = 0
[pid   298] futex(0x7f15624e33cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   300] mkdir("./file0", 0777)      = 0
[pid   300] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0
[   27.179769][   T28] audit: type=1400 audit(1743653402.552:66): avc:  denied  { execmem } for  pid=298 comm="syz-executor262" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   27.199369][   T28] audit: type=1400 audit(1743653402.562:67): avc:  denied  { read write } for  pid=298 comm="syz-executor262" 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] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   298] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   298] futex(0x7f15624e33dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f15623d1000
[pid   298] mprotect(0x7f15623d2000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f15623f1990, parent_tid=0x7f15623f1990, exit_signal=0, stack=0x7f15623d1000, stack_size=0x20300, tls=0x7f15623f16c0} => {parent_tid=[302]}, 88) = 302
[pid   298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   298] futex(0x7f15624e33d8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   298] futex(0x7f15624e33dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 302 attached
 <unfinished ...>
[pid   302] set_robust_list(0x7f15623f19a0, 24) = 0
[pid   302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   302] 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"..., 8192) = 104
[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(0x7f15624e33dc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   298] <... futex resumed>)        = 0
[pid   298] futex(0x7f15624e33d8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   298] futex(0x7f15624e33dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   302] <... futex resumed>)        = 1
[pid   302] read(3, "\x30\x00\x00\x00\x1b\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\x2c\x01\x00\x00\x00\x00\x00\x00\x00\x80\x01\x00\x00\x00\x00\x00", 8192) = 48
[pid   302] write(3, "\x20\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 32 <unfinished ...>
[pid   300] <... openat resumed>)       = 4
[pid   300] chdir("./file0" <unfinished ...>
[pid   302] <... write resumed>)        = 32
[pid   302] futex(0x7f15624e33dc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   298] <... futex resumed>)        = 0
[pid   298] futex(0x7f15624e33d8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   298] futex(0x7f15624e33dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   302] <... futex resumed>)        = 1
[pid   302] read(3, "\x30\x00\x00\x00\x22\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2c\x01\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00", 8192) = 48
[pid   302] write(3, "\x10\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00", 16 <unfinished ...>
[pid   300] <... chdir resumed>)        = 0
[pid   300] futex(0x7f15624e33cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   300] futex(0x7f15624e33c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   302] <... write resumed>)        = 16
[pid   302] futex(0x7f15624e33dc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   298] <... futex resumed>)        = 0
[pid   298] futex(0x7f15624e33c8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   300] <... futex resumed>)        = 0
[pid   298] futex(0x7f15624e33cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   300] read(3,  <unfinished ...>
[pid   302] <... futex resumed>)        = 1
[   27.223085][   T28] audit: type=1400 audit(1743653402.562:68): avc:  denied  { open } for  pid=298 comm="syz-executor262" 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
[   27.246487][   T28] audit: type=1400 audit(1743653402.562:69): avc:  denied  { mounton } for  pid=298 comm="syz-executor262" 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   302] futex(0x7f15624e33d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   298] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   298] futex(0x7f15624e33d8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   298] futex(0x7f15624e33dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   302] <... futex resumed>)        = 0
[pid   302] openat(AT_FDCWD, "./file0", O_RDWR|O_CREAT, 0777 <unfinished ...>
[pid   300] <... read resumed>"\x2e\x00\x00\x00\x01\x00\x00\x00\x08\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, "\xaa\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\xff\xff\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 170) = 170
[pid   300] futex(0x7f15624e33cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   27.268986][   T28] audit: type=1400 audit(1743653402.562:70): avc:  denied  { mount } for  pid=298 comm="syz-executor262" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[   27.300130][  T302] general protection fault, probably for non-canonical address 0xdffffc0000000009: 0000 [#1] PREEMPT SMP KASAN
[   27.311771][  T302] KASAN: null-ptr-deref in range [0x0000000000000048-0x000000000000004f]
[   27.320022][  T302] CPU: 1 PID: 302 Comm: syz-executor262 Not tainted 6.1.129-syzkaller-00054-g3e6e324f5b47 #0
[   27.330113][  T302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   27.340008][  T302] RIP: 0010:fuse_atomic_open+0x166/0x3a0
[   27.345475][  T302] Code: 45 fe 8b 5d c4 89 de 83 e6 40 31 ff e8 93 56 5e ff 89 d8 83 e0 40 75 07 e8 d7 52 5e ff eb 25 49 8d 5f 30 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 cb ff a5 ff 48 83 3b 00 74 24 e8
[   27.365010][  T302] RSP: 0018:ffffc90000e678d8 EFLAGS: 00010206
[   27.370902][  T302] RAX: 0000000000000009 RBX: 000000000000004a RCX: ffff888110556540
[   27.378715][  T302] RDX: ffff888110556540 RSI: 0000000000000040 RDI: 0000000000000000
[   27.386671][  T302] RBP: ffffc90000e67930 R08: ffffffff821744ad R09: fffff520001cce65
[   27.395241][  T302] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[   27.403246][  T302] R13: ffff88810fbeaa80 R14: 000000000000001a R15: 000000000000001a
[   27.411181][  T302] FS:  00007f15623f16c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   27.419919][  T302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.426433][  T302] CR2: 000020000000b000 CR3: 0000000110491000 CR4: 00000000003506a0
[   27.434431][  T302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   27.442644][  T302] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   27.450628][  T302] Call Trace:
[   27.453776][  T302]  <TASK>
[   27.456826][  T302]  ? __die_body+0x62/0xb0
[   27.460960][  T302]  ? die_addr+0x9f/0xd0
[   27.465067][  T302]  ? exc_general_protection+0x317/0x4c0
[   27.470513][  T302]  ? asm_exc_general_protection+0x27/0x30
[   27.476066][  T302]  ? fuse_atomic_open+0x14d/0x3a0
[   27.480947][  T302]  ? fuse_atomic_open+0x166/0x3a0
[   27.485966][  T302]  ? fuse_atomic_open+0x14d/0x3a0
[   27.490858][  T302]  path_openat+0xf52/0x2d60
[   27.495427][  T302]  ? fuse_rename2+0x4ad0/0x4ad0
[   27.500194][  T302]  ? do_filp_open+0x480/0x480
[   27.504740][  T302]  do_filp_open+0x230/0x480
[   27.509848][  T302]  ? vfs_tmpfile+0x480/0x480
[   27.514268][  T302]  ? alloc_fd+0x4fe/0x5a0
[   27.518778][  T302]  do_sys_openat2+0x151/0x870
[   27.523237][  T302]  ? memset+0x35/0x40
[   27.527116][  T302]  ? do_sys_open+0x220/0x220
[   27.531779][  T302]  ? ptrace_notify+0x249/0x350
[   27.536347][  T302]  __x64_sys_openat+0x243/0x290
[   27.541048][  T302]  ? __ia32_sys_open+0x270/0x270
[   27.545986][  T302]  x64_sys_call+0x6bf/0x9a0
[   27.550525][  T302]  do_syscall_64+0x3b/0xb0
[   27.554832][  T302]  ? clear_bhb_loop+0x55/0xb0
[   27.559298][  T302]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   27.565112][  T302] RIP: 0033:0x7f1562453759
[   27.569357][  T302] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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
[   27.588982][  T302] RSP: 002b:00007f15623f1218 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[   27.597416][  T302] RAX: ffffffffffffffda RBX: 00007f15624e33d8 RCX: 00007f1562453759
[   27.605318][  T302] RDX: 0000000000000042 RSI: 0000200000000100 RDI: 00000000ffffff9c
[   27.613481][  T302] RBP: 00007f15624e33d0 R08: 0000000000000000 R09: 0000000000000000
[   27.621491][  T302] R10: 00000000000001ff R11: 0000000000000246 R12: 00007f15624b0114
[pid   300] futex(0x7f15624e33c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   298] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[   27.629387][  T302] R13: 0000200000000100 R14: 0000000000000000 R15: 0030656c69662f2e
[   27.637547][  T302]  </TASK>
[   27.640401][  T302] Modules linked in:
[   27.646362][  T302] ---[ end trace 0000000000000000 ]---
[   27.651755][  T302] RIP: 0010:fuse_atomic_open+0x166/0x3a0
[   27.657370][  T302] Code: 45 fe 8b 5d c4 89 de 83 e6 40 31 ff e8 93 56 5e ff 89 d8 83 e0 40 75 07 e8 d7 52 5e ff eb 25 49 8d 5f 30 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 cb ff a5 ff 48 83 3b 00 74 24 e8
[   27.677534][  T302] RSP: 0018:ffffc90000e678d8 EFLAGS: 00010206
[   27.683391][  T302] RAX: 0000000000000009 RBX: 000000000000004a RCX: ffff888110556540
[   27.691363][  T302] RDX: ffff888110556540 RSI: 0000000000000040 RDI: 0000000000000000
[   27.699228][  T302] RBP: ffffc90000e67930 R08: ffffffff821744ad R09: fffff520001cce65
[   27.707016][  T302] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[   27.714992][  T302] R13: ffff88810fbeaa80 R14: 000000000000001a R15: 000000000000001a
[   27.722880][  T302] FS:  00007f15623f16c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   27.731709][  T302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.738163][  T302] CR2: 000020000000b000 CR3: 0000000110491000 CR4: 00000000003506a0
[   27.746145][  T302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   27.753975][  T302] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   27.761833][  T302] Kernel panic - not syncing: Fatal exception
[   27.768065][  T302] Kernel Offset: disabled
[   27.772293][  T302] Rebooting in 86400 seconds..