./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3839109326

<...>
Warning: Permanently added '10.128.0.202' (ED25519) to the list of known hosts.
execve("./syz-executor3839109326", ["./syz-executor3839109326"], 0x7fffe4e49ce0 /* 10 vars */) = 0
brk(NULL)                               = 0x555555e01000
brk(0x555555e01d40)                     = 0x555555e01d40
arch_prctl(ARCH_SET_FS, 0x555555e013c0) = 0
set_tid_address(0x555555e01690)         = 293
set_robust_list(0x555555e016a0, 24)     = 0
rseq(0x555555e01ce0, 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-executor3839109326", 4096) = 28
getrandom("\x84\x56\x30\x45\xbe\xbd\xe4\xcc", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555555e01d40
brk(0x555555e22d40)                     = 0x555555e22d40
brk(0x555555e23000)                     = 0x555555e23000
mprotect(0x7f92d6124000, 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
mkdir("./syzkaller.FzMfPl", 0700)       = 0
chmod("./syzkaller.FzMfPl", 0777)       = 0
chdir("./syzkaller.FzMfPl")             = 0
futex(0x7f92d612a3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f92d60c3930, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f92d60b4ab0}, 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) = 0x7f92d603f000
mprotect(0x7f92d6040000, 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=0x7f92d605f990, parent_tid=0x7f92d605f990, exit_signal=0, stack=0x7f92d603f000, stack_size=0x20300, tls=0x7f92d605f6c0} => {parent_tid=[294]}, 88) = 294
./strace-static-x86_64: Process 294 attached
[pid   293] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   293] futex(0x7f92d612a3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   293] futex(0x7f92d612a3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   294] set_robust_list(0x7f92d605f9a0, 24) = 0
[pid   294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   294] mkdir("./file0", 000)       = 0
[pid   294] futex(0x7f92d612a3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   293] <... futex resumed>)        = 0
[pid   293] futex(0x7f92d612a3e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   294] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000 <unfinished ...>
[pid   293] <... futex resumed>)        = 0
[pid   293] futex(0x7f92d612a3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   294] <... openat resumed>)       = 3
[pid   294] futex(0x7f92d612a3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   294] futex(0x7f92d612a3e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   293] <... futex resumed>)        = 0
[pid   293] futex(0x7f92d612a3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   293] futex(0x7f92d612a3ec, 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(0x7f92d612a3ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   293] <... futex resumed>)        = 0
[pid   293] futex(0x7f92d612a3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   293] futex(0x7f92d612a3ec, 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\x25\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(0x7f92d612a3ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   293] <... futex resumed>)        = 0
[pid   293] futex(0x7f92d612a3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   293] futex(0x7f92d612a3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   294] <... futex resumed>)        = 1
[   20.573663][   T28] audit: type=1400 audit(1711801366.875:66): avc:  denied  { execmem } for  pid=293 comm="syz-executor383" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   20.582623][   T28] audit: type=1400 audit(1711801366.885:67): avc:  denied  { read write } for  pid=293 comm="syz-executor383" 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
[   20.586146][   T28] audit: type=1400 audit(1711801366.885:68): avc:  denied  { open } for  pid=293 comm="syz-executor383" 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
[   20.592499][   T28] audit: type=1400 audit(1711801366.895:69): avc:  denied  { mounton } for  pid=293 comm="syz-executor383" path="/root/syzkaller.FzMfPl/file0" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[pid   294] read(3,  <unfinished ...>
[pid   293] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   293] futex(0x7f92d612a3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   293] futex(0x7f92d612a3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f92d601e000
[pid   293] mprotect(0x7f92d601f000, 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=0x7f92d603e990, parent_tid=0x7f92d603e990, exit_signal=0, stack=0x7f92d601e000, stack_size=0x20300, tls=0x7f92d603e6c0}./strace-static-x86_64: Process 296 attached
 <unfinished ...>
[pid   296] set_robust_list(0x7f92d603e9a0, 24 <unfinished ...>
[pid   293] <... clone3 resumed> => {parent_tid=[296]}, 88) = 296
[pid   296] <... set_robust_list resumed>) = 0
[pid   296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   296] futex(0x7f92d612a3f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   293] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   293] futex(0x7f92d612a3f8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   293] futex(0x7f92d612a3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] <... futex resumed>)        = 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\x27\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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(0x7f92d612a3fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   293] <... futex resumed>)        = 0
[pid   293] futex(0x7f92d612a3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   293] futex(0x7f92d612a3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] <... futex resumed>)        = 1
[pid   296] unlink("./file0/file0" <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, "\xa9\x00\x00\x00\x00\x00\x00\x00\x04\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\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 169) = 169
[pid   294] futex(0x7f92d612a3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   20.613749][   T28] audit: type=1400 audit(1711801366.895:70): avc:  denied  { mount } for  pid=293 comm="syz-executor383" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[   20.650977][  T296] general protection fault, probably for non-canonical address 0xdffffc0000000009: 0000 [#1] PREEMPT SMP KASAN
[   20.662524][  T296] KASAN: null-ptr-deref in range [0x0000000000000048-0x000000000000004f]
[   20.670854][  T296] CPU: 0 PID: 296 Comm: syz-executor383 Not tainted 6.1.68-syzkaller-00100-g5b8114ec3c92 #0
[   20.680746][  T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[   20.690729][  T296] RIP: 0010:do_unlinkat+0x3db/0x910
[   20.695762][  T296] Code: de e8 49 ce ac ff 31 c0 81 fb 00 00 20 00 0f 94 c0 41 be ec ff ff ff 41 29 c6 e9 bd 00 00 00 49 8d 7d 30 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 05 e8 09 9e f3 ff 49 8b 45 30 48 89 44 24 38 4c
[   20.715202][  T296] RSP: 0018:ffffc90000e47d80 EFLAGS: 00010206
[   20.721107][  T296] RAX: 0000000000000009 RBX: 0000000000000000 RCX: ffff88811ce0a880
[   20.728923][  T296] RDX: ffff88811ce0a880 RSI: 0000000000000000 RDI: 0000000000000049
[   20.736734][  T296] RBP: ffffc90000e47f08 R08: ffffffff81c8a68c R09: fffff520001c8f8f
[   20.744542][  T296] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[   20.752357][  T296] R13: 0000000000000019 R14: dffffc0000000000 R15: 1ffff11023e2286c
[   20.760165][  T296] FS:  00007f92d603e6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   20.768941][  T296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.775352][  T296] CR2: 0000000020002080 CR3: 000000010945e000 CR4: 00000000003506b0
[   20.783164][  T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   20.790974][  T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   20.798783][  T296] Call Trace:
[   20.801909][  T296]  <TASK>
[   20.804691][  T296]  ? __die_body+0x62/0xb0
[   20.808863][  T296]  ? die_addr+0x9f/0xd0
[   20.812854][  T296]  ? exc_general_protection+0x317/0x4c0
[   20.818234][  T296]  ? asm_exc_general_protection+0x27/0x30
[   20.823783][  T296]  ? do_unlinkat+0x35c/0x910
[   20.828212][  T296]  ? do_unlinkat+0x3db/0x910
[   20.832634][  T296]  ? kasan_save_alloc_info+0x1f/0x30
[   20.837760][  T296]  ? fsnotify_link_count+0x100/0x100
[   20.842880][  T296]  ? getname_flags+0x1fd/0x520
[   20.847486][  T296]  __x64_sys_unlink+0x49/0x50
[   20.851994][  T296]  do_syscall_64+0x3d/0xb0
[   20.856244][  T296]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   20.861972][  T296] RIP: 0033:0x7f92d609d589
[   20.866222][  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
[   20.885864][  T296] RSP: 002b:00007f92d603e218 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
[   20.894113][  T296] RAX: ffffffffffffffda RBX: 00007f92d612a3f8 RCX: 00007f92d609d589
[   20.901915][  T296] RDX: 00007f92d609d589 RSI: 00000000000f4240 RDI: 0000000020000100
[   20.909726][  T296] RBP: 00007f92d612a3f0 R08: 0000000000000000 R09: 0000000000000000
[pid   294] futex(0x7f92d612a3e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   293] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[   20.917538][  T296] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f92d60f7024
[   20.925349][  T296] R13: 000000000000006e R14: 0030656c69662f30 R15: 2f30656c69662f2e
[   20.933337][  T296]  </TASK>
[   20.936197][  T296] Modules linked in:
[   20.941264][  T296] ---[ end trace 0000000000000000 ]---
[   20.946613][  T296] RIP: 0010:do_unlinkat+0x3db/0x910
[   20.951617][  T296] Code: de e8 49 ce ac ff 31 c0 81 fb 00 00 20 00 0f 94 c0 41 be ec ff ff ff 41 29 c6 e9 bd 00 00 00 49 8d 7d 30 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 05 e8 09 9e f3 ff 49 8b 45 30 48 89 44 24 38 4c
[   20.971042][  T296] RSP: 0018:ffffc90000e47d80 EFLAGS: 00010206
[   20.976917][  T296] RAX: 0000000000000009 RBX: 0000000000000000 RCX: ffff88811ce0a880
[   20.984764][  T296] RDX: ffff88811ce0a880 RSI: 0000000000000000 RDI: 0000000000000049
[   20.992576][  T296] RBP: ffffc90000e47f08 R08: ffffffff81c8a68c R09: fffff520001c8f8f
[   21.000389][  T296] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[   21.008189][  T296] R13: 0000000000000019 R14: dffffc0000000000 R15: 1ffff11023e2286c
[   21.015972][  T296] FS:  00007f92d603e6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[pid   293] exit_group(0)               = ?
[pid   294] <... futex resumed>)        = ?
[pid   294] +++ exited with 0 +++
[   21.024805][  T296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.031189][  T296] CR2: 00007f92d603ed58 CR3: 000000010945e000 CR4: 00000000003506a0
[   21.039100][  T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   21.046877][  T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.054725][  T296] Kernel panic - not syncing: Fatal exception
[   21.060675][  T296] Kernel Offset: disabled
[   21.064759][  T296] Rebooting in 86400 seconds..