./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4263477081

<...>
Warning: Permanently added '10.128.0.135' (ED25519) to the list of known hosts.
execve("./syz-executor4263477081", ["./syz-executor4263477081"], 0x7ffe96e5efb0 /* 10 vars */) = 0
brk(NULL)                               = 0x5555895bc000
brk(0x5555895bcd40)                     = 0x5555895bcd40
arch_prctl(ARCH_SET_FS, 0x5555895bc3c0) = 0
set_tid_address(0x5555895bc690)         = 291
set_robust_list(0x5555895bc6a0, 24)     = 0
rseq(0x5555895bcce0, 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-executor4263477081", 4096) = 28
getrandom("\x91\xbb\x90\x55\x3f\xe6\x5a\x7e", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555895bcd40
brk(0x5555895ddd40)                     = 0x5555895ddd40
brk(0x5555895de000)                     = 0x5555895de000
mprotect(0x7fafe8882000, 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
write(1, "executing program\n", 18executing program
)     = 18
futex(0x7fafe88883ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7fafe8821620, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fafe8812ca0}, 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) = 0x7fafe879d000
mprotect(0x7fafe879e000, 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=0x7fafe87bd990, parent_tid=0x7fafe87bd990, exit_signal=0, stack=0x7fafe879d000, stack_size=0x20300, tls=0x7fafe87bd6c0} => {parent_tid=[292]}, 88) = 292
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
futex(0x7fafe88883e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
futex(0x7fafe88883ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 292 attached
 <unfinished ...>
[pid   292] set_robust_list(0x7fafe87bd9a0, 24) = 0
[pid   292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   292] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   292] futex(0x7fafe88883ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   291] <... futex resumed>)        = 0
[pid   291] futex(0x7fafe88883e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   291] futex(0x7fafe88883ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   292] <... futex resumed>)        = 1
[pid   292] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000) = 3
[pid   292] futex(0x7fafe88883ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   291] <... futex resumed>)        = 0
[pid   291] futex(0x7fafe88883e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   291] futex(0x7fafe88883ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   292] <... futex resumed>)        = 1
[pid   292] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0
[pid   292] futex(0x7fafe88883ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   291] <... futex resumed>)        = 0
[pid   291] futex(0x7fafe88883e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   291] futex(0x7fafe88883ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   292] <... futex resumed>)        = 1
[pid   292] read(3, "\x38\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\x20\x00\x00\x00\x00\x00\x02\x00\xfb\xff\xff\x83", 8224) = 56
[pid   292] futex(0x7fafe88883ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   291] <... futex resumed>)        = 0
[pid   291] futex(0x7fafe88883e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   291] futex(0x7fafe88883ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   292] <... futex resumed>)        = 1
[   26.015786][   T24] audit: type=1400 audit(1743895677.790:66): avc:  denied  { execmem } for  pid=291 comm="syz-executor426" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   26.035071][   T24] audit: type=1400 audit(1743895677.810:67): avc:  denied  { read write } for  pid=291 comm="syz-executor426" name="fuse" dev="devtmpfs" ino=90 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1
[   26.058518][   T24] audit: type=1400 audit(1743895677.810:68): avc:  denied  { open } for  pid=291 comm="syz-executor426" path="/dev/fuse" dev="devtmpfs" ino=90 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1
[   26.081750][   T24] audit: type=1400 audit(1743895677.810:69): avc:  denied  { mounton } for  pid=291 comm="syz-executor426" 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   292] read(3,  <unfinished ...>
[pid   291] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   291] futex(0x7fafe88883fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fafe877c000
[pid   291] mprotect(0x7fafe877d000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   291] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fafe879c990, parent_tid=0x7fafe879c990, exit_signal=0, stack=0x7fafe877c000, stack_size=0x20300, tls=0x7fafe879c6c0} => {parent_tid=[294]}, 88) = 294
[pid   291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   291] futex(0x7fafe88883f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   291] futex(0x7fafe88883fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 294 attached
 <unfinished ...>
[pid   294] set_robust_list(0x7fafe879c9a0, 24) = 0
[pid   294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   294] write(3, "\x50\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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   294] futex(0x7fafe88883fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   291] <... futex resumed>)        = 0
[pid   291] futex(0x7fafe88883f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   291] futex(0x7fafe88883fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   294] <... futex resumed>)        = 1
[pid   294] futex(0x7fafe88883fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   291] <... futex resumed>)        = 0
[pid   291] futex(0x7fafe88883f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   291] futex(0x7fafe88883fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   294] <... futex resumed>)        = 1
[pid   294] futex(0x7fafe88883fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   291] <... futex resumed>)        = 0
[pid   291] futex(0x7fafe88883f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   291] futex(0x7fafe88883fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   294] <... futex resumed>)        = 1
[pid   294] open("./file0/file0", O_RDWR <unfinished ...>
[pid   292] <... 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\x26\x01\x00\x00\x00\x00\x00\x00\x66\x69\x6c\x65\x30\x00", 8192) = 46
[pid   292] 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   292] futex(0x7fafe88883ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   26.104561][   T24] audit: type=1400 audit(1743895677.820:70): avc:  denied  { mount } for  pid=291 comm="syz-executor426" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[   26.107782][  T294] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
[   26.137999][  T294] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
[   26.146240][  T294] CPU: 0 PID: 294 Comm: syz-executor426 Not tainted 5.10.234-syzkaller-00033-g094fc3778d6b #0
[   26.156391][  T294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   26.166312][  T294] RIP: 0010:path_openat+0x17ab/0x3000
[   26.171498][  T294] Code: b6 04 30 84 c0 0f 85 d9 07 00 00 48 8b 44 24 30 80 60 01 f8 e9 69 ee ff ff e8 11 d6 b6 ff 4c 8b 64 24 20 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 30 84 c0 0f 85 8f 07 00 00 41 8b 1f be 00 00 70 00 21
[   26.190936][  T294] RSP: 0018:ffffc90000b27940 EFLAGS: 00010203
[   26.196836][  T294] RAX: 0000000000000002 RBX: ffff88810d11c198 RCX: ffff88810c0f13c0
[   26.204649][  T294] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000
[   26.212459][  T294] RBP: ffffc90000b27b70 R08: ffffffff81b6a338 R09: ffffed102125773e
[   26.220272][  T294] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881092bb9c0
[   26.228083][  T294] R13: 0000000000008002 R14: dffffc0000000000 R15: 0000000000000017
[   26.235895][  T294] FS:  00007fafe879c6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   26.244667][  T294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.251084][  T294] CR2: 00007fafe879cd58 CR3: 000000010c279000 CR4: 00000000003506b0
[   26.258896][  T294] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   26.266703][  T294] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   26.274513][  T294] Call Trace:
[   26.277649][  T294]  ? __die_body+0x62/0xb0
[   26.281809][  T294]  ? die_addr+0x9f/0xd0
[   26.285812][  T294]  ? exc_general_protection+0x3ff/0x490
[   26.291209][  T294]  ? asm_exc_general_protection+0x1e/0x30
[   26.296865][  T294]  ? fast_dput+0x78/0x2a0
[   26.301029][  T294]  ? path_openat+0x17ab/0x3000
[   26.305623][  T294]  ? do_filp_open+0x460/0x460
[   26.310138][  T294]  do_filp_open+0x21c/0x460
[   26.314471][  T294]  ? vfs_tmpfile+0x2b0/0x2b0
[   26.318901][  T294]  ? get_unused_fd_flags+0x94/0xa0
[   26.323934][  T294]  do_sys_openat2+0x13f/0x710
[   26.328447][  T294]  ? ptrace_stop+0x6dc/0xa30
[   26.332873][  T294]  ? do_sys_open+0x220/0x220
[   26.337415][  T294]  ? _raw_spin_unlock_irq+0x4e/0x70
[   26.342446][  T294]  ? ptrace_notify+0x24c/0x350
[   26.347043][  T294]  __x64_sys_open+0x221/0x270
[   26.351562][  T294]  ? do_sys_openat2+0x710/0x710
[   26.356249][  T294]  ? syscall_enter_from_user_mode+0x57/0x1a0
[   26.362061][  T294]  do_syscall_64+0x34/0x70
[   26.366314][  T294]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   26.372055][  T294] RIP: 0033:0x7fafe87fb779
[   26.376295][  T294] 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
[   26.395739][  T294] RSP: 002b:00007fafe879c218 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
[   26.403982][  T294] RAX: ffffffffffffffda RBX: 00007fafe88883f8 RCX: 00007fafe87fb779
[pid   292] futex(0x7fafe88883e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   291] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[   26.411793][  T294] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00002000000001c0
[   26.419601][  T294] RBP: 00007fafe88883f0 R08: 0000000000000000 R09: 0000000000000000
[   26.427410][  T294] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fafe885503c
[   26.435225][  T294] R13: 00002000000042c0 R14: 00002000000001c0 R15: 00007ffe48629f88
[   26.443033][  T294] Modules linked in:
[   26.447098][  T294] ---[ end trace b071d06a8fbf9b43 ]---
[   26.452547][  T294] RIP: 0010:path_openat+0x17ab/0x3000
[   26.457838][  T294] Code: b6 04 30 84 c0 0f 85 d9 07 00 00 48 8b 44 24 30 80 60 01 f8 e9 69 ee ff ff e8 11 d6 b6 ff 4c 8b 64 24 20 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 30 84 c0 0f 85 8f 07 00 00 41 8b 1f be 00 00 70 00 21
[   26.477224][  T294] RSP: 0018:ffffc90000b27940 EFLAGS: 00010203
[   26.483124][  T294] RAX: 0000000000000002 RBX: ffff88810d11c198 RCX: ffff88810c0f13c0
[   26.490915][  T294] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000
[   26.498811][  T294] RBP: ffffc90000b27b70 R08: ffffffff81b6a338 R09: ffffed102125773e
[   26.506590][  T294] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881092bb9c0
[   26.514428][  T294] R13: 0000000000008002 R14: dffffc0000000000 R15: 0000000000000017
[   26.522236][  T294] FS:  00007fafe879c6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   26.531005][  T294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.537402][  T294] CR2: 00007fafe879cd58 CR3: 000000010c279000 CR4: 00000000003506b0
[   26.545248][  T294] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   26.553045][  T294] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   26.560883][  T294] Kernel panic - not syncing: Fatal exception
[   26.566934][  T294] Kernel Offset: disabled
[   26.571066][  T294] Rebooting in 86400 seconds..