./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2662011558

<...>
Warning: Permanently added '10.128.0.237' (ECDSA) to the list of known hosts.
execve("./syz-executor2662011558", ["./syz-executor2662011558"], 0x7ffe6332e660 /* 10 vars */) = 0
brk(NULL)                               = 0x5555574d5000
brk(0x5555574d5c40)                     = 0x5555574d5c40
arch_prctl(ARCH_SET_FS, 0x5555574d5300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
set_tid_address(0x5555574d55d0)         = 293
set_robust_list(0x5555574d55e0, 24)     = 0
rt_sigaction(SIGRTMIN, {sa_handler=0x7f280d4af2b0, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f280d4af980}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f280d4af350, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f280d4af980}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2662011558", 4096) = 28
brk(0x5555574f6c40)                     = 0x5555574f6c40
brk(0x5555574f7000)                     = 0x5555574f7000
mprotect(0x7f280d571000, 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
futex(0x7f280d5774cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f280d47f000
mprotect(0x7f280d480000, 131072, PROT_READ|PROT_WRITE) = 0
clone(child_stack=0x7f280d49f3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[294], tls=0x7f280d49f700, child_tidptr=0x7f280d49f9d0) = 294
futex(0x7f280d5774c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
futex(0x7f280d5774cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 294 attached
 <unfinished ...>
[pid   294] set_robust_list(0x7f280d49f9e0, 24) = 0
[pid   294] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   294] futex(0x7f280d5774cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   293] <... futex resumed>)        = 0
[pid   293] futex(0x7f280d5774c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   293] futex(0x7f280d5774cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   294] <... futex resumed>)        = 1
[pid   294] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000) = 3
[pid   294] futex(0x7f280d5774cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   293] <... futex resumed>)        = 0
[pid   293] futex(0x7f280d5774c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   293] futex(0x7f280d5774cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   294] <... futex resumed>)        = 1
[pid   294] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0
[pid   294] futex(0x7f280d5774cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   293] <... futex resumed>)        = 0
[pid   293] futex(0x7f280d5774c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   293] futex(0x7f280d5774cc, 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(0x7f280d5774cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   293] <... futex resumed>)        = 0
[pid   293] futex(0x7f280d5774c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   293] futex(0x7f280d5774cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   294] <... futex resumed>)        = 1
[   22.390711][   T28] audit: type=1400 audit(1684633949.684:66): avc:  denied  { execmem } for  pid=293 comm="syz-executor266" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   22.409964][   T28] audit: type=1400 audit(1684633949.684:67): avc:  denied  { read write } for  pid=293 comm="syz-executor266" name="fuse" dev="devtmpfs" ino=92 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(0x7f280d5774dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f280d45e000
[pid   293] mprotect(0x7f280d45f000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   293] clone(child_stack=0x7f280d47e3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[296], tls=0x7f280d47e700, child_tidptr=0x7f280d47e9d0) = 296
[pid   293] futex(0x7f280d5774d8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   293] futex(0x7f280d5774dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 296 attached
 <unfinished ...>
[pid   296] set_robust_list(0x7f280d47e9e0, 24) = 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\x1f\x00\x00\x00\x00\x00\x00\x00\x92\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\x00\x00\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(0x7f280d5774dc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   293] <... futex resumed>)        = 0
[pid   293] futex(0x7f280d5774d8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   293] futex(0x7f280d5774dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] <... futex resumed>)        = 1
[pid   296] openat(AT_FDCWD, "./file0/file0", O_RDONLY <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, "\x94\x00\x00\x00\x00\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\xfc\xff\xff\xff\xff\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xfc\xff\xff\xff\xff\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 148) = 148
[pid   294] futex(0x7f280d5774cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   22.433522][   T28] audit: type=1400 audit(1684633949.684:68): avc:  denied  { open } for  pid=293 comm="syz-executor266" path="/dev/fuse" dev="devtmpfs" ino=92 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1
[   22.456916][   T28] audit: type=1400 audit(1684633949.684:69): avc:  denied  { mounton } for  pid=293 comm="syz-executor266" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   22.461165][  T296] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
[   22.479810][   T28] audit: type=1400 audit(1684633949.694:70): avc:  denied  { mount } for  pid=293 comm="syz-executor266" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[   22.491093][  T296] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
[   22.491107][  T296] CPU: 1 PID: 296 Comm: syz-executor266 Not tainted 6.1.25-syzkaller-00258-gcffbdd825e02 #0
[   22.491123][  T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
[   22.491131][  T296] RIP: 0010:path_openat+0x133f/0x2d60
[   22.546300][  T296] Code: ff ff 48 8b 3c 24 e8 30 e2 02 00 48 63 db 4c 8b 74 24 08 eb 5f e8 71 ca ae 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
[   22.565743][  T296] RSP: 0018:ffffc90000e67940 EFLAGS: 00010247
[   22.571633][  T296] RAX: 0000000000000000 RBX: 0000000000000004 RCX: ffff888109b21300
[   22.579447][  T296] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000
[   22.587263][  T296] RBP: ffffc90000e67b30 R08: ffffffff81c7c3bb R09: fffff520001ccf0f
[   22.595067][  T296] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
[   22.602879][  T296] R13: dffffc0000000000 R14: ffffc90000e67b88 R15: ffffc90000e67da0
[   22.610692][  T296] FS:  00007f280d47e700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   22.619467][  T296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.625887][  T296] CR2: 0000563ca7204b68 CR3: 0000000120a70000 CR4: 00000000003506a0
[   22.633694][  T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.641503][  T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.649324][  T296] Call Trace:
[   22.652442][  T296]  <TASK>
[   22.655225][  T296]  ? fuse_rename2+0x4470/0x4470
[   22.660079][  T296]  ? do_filp_open+0x480/0x480
[   22.664592][  T296]  do_filp_open+0x230/0x480
[   22.668929][  T296]  ? vfs_tmpfile+0x480/0x480
[   22.673357][  T296]  ? alloc_fd+0x4fa/0x5a0
[   22.677522][  T296]  do_sys_openat2+0x13f/0x850
[   22.682033][  T296]  ? memset+0x35/0x40
[   22.685852][  T296]  ? do_sys_open+0x220/0x220
[   22.690282][  T296]  ? ptrace_notify+0x249/0x350
[   22.694877][  T296]  __x64_sys_openat+0x243/0x290
[   22.699566][  T296]  ? __ia32_sys_open+0x270/0x270
[   22.704342][  T296]  ? syscall_enter_from_user_mode+0x6a/0x190
[   22.710154][  T296]  do_syscall_64+0x3d/0xb0
[   22.714408][  T296]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   22.720143][  T296] RIP: 0033:0x7f280d4ed469
[   22.724389][  T296] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 14 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 b8 ff ff ff f7 d8 64 89 01 48
[   22.743829][  T296] RSP: 002b:00007f280d47e2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[   22.752075][  T296] RAX: ffffffffffffffda RBX: 00007f280d5774d0 RCX: 00007f280d4ed469
[   22.759887][  T296] RDX: 0000000000000000 RSI: 0000000020000040 RDI: ffffffffffffff9c
[   22.767695][  T296] RBP: 00007f280d54501c R08: 0000000000000000 R09: 0000000000000000
[   22.775508][  T296] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffac99dc4e
[   22.783320][  T296] R13: 00007f280d545038 R14: 2f30656c69662f2e R15: 00007f280d5774d8
[pid   294] futex(0x7f280d5774c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   293] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[   22.791144][  T296]  </TASK>
[   22.793994][  T296] Modules linked in:
[   22.798492][  T296] ---[ end trace 0000000000000000 ]---
[   22.804022][  T296] RIP: 0010:path_openat+0x133f/0x2d60
[   22.809357][  T296] Code: ff ff 48 8b 3c 24 e8 30 e2 02 00 48 63 db 4c 8b 74 24 08 eb 5f e8 71 ca ae 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
[   22.829230][  T296] RSP: 0018:ffffc90000e67940 EFLAGS: 00010247
[   22.835178][  T296] RAX: 0000000000000000 RBX: 0000000000000004 RCX: ffff888109b21300
[   22.843130][  T296] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000
[   22.850915][  T296] RBP: ffffc90000e67b30 R08: ffffffff81c7c3bb R09: fffff520001ccf0f
[   22.858754][  T296] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
[   22.866519][  T296] R13: dffffc0000000000 R14: ffffc90000e67b88 R15: ffffc90000e67da0
[   22.874377][  T296] FS:  00007f280d47e700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   22.883104][  T296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.889558][  T296] CR2: 0000563ca7204b68 CR3: 0000000120a70000 CR4: 00000000003506a0
[   22.897331][  T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.905272][  T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.913056][  T296] Kernel panic - not syncing: Fatal exception
[   22.918930][  T296] Kernel Offset: disabled
[   22.923035][  T296] Rebooting in 86400 seconds..