./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2809012804

<...>
Warning: Permanently added '10.128.1.175' (ECDSA) to the list of known hosts.
execve("./syz-executor2809012804", ["./syz-executor2809012804"], 0x7fff20966660 /* 10 vars */) = 0
brk(NULL)                               = 0x555556f08000
brk(0x555556f08c40)                     = 0x555556f08c40
arch_prctl(ARCH_SET_FS, 0x555556f08300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
set_tid_address(0x555556f085d0)         = 293
set_robust_list(0x555556f085e0, 24)     = 0
rt_sigaction(SIGRTMIN, {sa_handler=0x7fcecea312f0, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fcecea319c0}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7fcecea31390, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcecea319c0}, 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-executor2809012804", 4096) = 28
brk(0x555556f29c40)                     = 0x555556f29c40
brk(0x555556f2a000)                     = 0x555556f2a000
mprotect(0x7fceceaf3000, 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(0x7fceceaf94cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcecea01000
mprotect(0x7fcecea02000, 131072, PROT_READ|PROT_WRITE) = 0
clone(child_stack=0x7fcecea213f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 294 attached
, parent_tid=[294], tls=0x7fcecea21700, child_tidptr=0x7fcecea219d0) = 294
[pid   293] futex(0x7fceceaf94c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   294] set_robust_list(0x7fcecea219e0, 24) = 0
[pid   294] mkdir("./file0", 000 <unfinished ...>
[pid   293] futex(0x7fceceaf94cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   294] <... mkdir resumed>)        = 0
[pid   294] futex(0x7fceceaf94cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   294] futex(0x7fceceaf94c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   293] <... futex resumed>)        = 0
[pid   293] futex(0x7fceceaf94c8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   294] <... futex resumed>)        = 0
[pid   294] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000 <unfinished ...>
[pid   293] futex(0x7fceceaf94cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   294] <... openat resumed>)       = 3
[pid   294] futex(0x7fceceaf94cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   293] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   294] <... futex resumed>)        = 0
[pid   293] futex(0x7fceceaf94c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   294] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"... <unfinished ...>
[pid   293] <... futex resumed>)        = 0
[pid   293] futex(0x7fceceaf94cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   294] <... mount resumed>)        = 0
[pid   294] futex(0x7fceceaf94cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   293] <... futex resumed>)        = 0
[pid   294] <... futex resumed>)        = 1
[pid   293] futex(0x7fceceaf94c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   294] read(3,  <unfinished ...>
[pid   293] <... futex resumed>)        = 0
[pid   294] <... read resumed>"\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\xf3\xff\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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   293] futex(0x7fceceaf94cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   294] futex(0x7fceceaf94cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   293] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   294] <... futex resumed>)        = 0
[pid   293] futex(0x7fceceaf94c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   294] unlink("./file0/file0" <unfinished ...>
[pid   293] <... futex resumed>)        = 0
[   21.043239][   T30] audit: type=1400 audit(1688249881.759:66): avc:  denied  { execmem } for  pid=293 comm="syz-executor280" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   21.053146][   T30] audit: type=1400 audit(1688249881.769:67): avc:  denied  { read write } for  pid=293 comm="syz-executor280" 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
[   21.057639][   T30] audit: type=1400 audit(1688249881.769:68): avc:  denied  { open } for  pid=293 comm="syz-executor280" 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
[   21.063428][   T30] audit: type=1400 audit(1688249881.779:69): avc:  denied  { mounton } for  pid=293 comm="syz-executor280" 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   293] futex(0x7fceceaf94cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid   293] futex(0x7fceceaf94cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   293] futex(0x7fceceaf94cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   293] futex(0x7fceceaf94dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcece9e0000
[pid   293] mprotect(0x7fcece9e1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   293] clone(child_stack=0x7fcecea003f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 296 attached
, parent_tid=[296], tls=0x7fcecea00700, child_tidptr=0x7fcecea009d0) = 296
[pid   296] set_robust_list(0x7fcecea009e0, 24 <unfinished ...>
[pid   293] futex(0x7fceceaf94d8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] <... set_robust_list 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\x21\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 <unfinished ...>
[pid   293] <... futex resumed>)        = 0
[pid   293] futex(0x7fceceaf94dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] <... write resumed>)        = 80
[pid   296] futex(0x7fceceaf94dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] futex(0x7fceceaf94d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   293] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   293] futex(0x7fceceaf94d8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   293] futex(0x7fceceaf94dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] <... futex resumed>)        = 0
[pid   296] read(3, "\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   296] write(3, "\x92\x00\x00\x00\x00\x00\x00\x00\x04\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\x02\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\x04\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00"..., 146) = 146
[pid   296] futex(0x7fceceaf94dc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   293] <... futex resumed>)        = 0
[pid   296] <... futex resumed>)        = 1
[   21.087500][   T30] audit: type=1400 audit(1688249881.779:70): avc:  denied  { mount } for  pid=293 comm="syz-executor280" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[   21.144182][  T294] general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN
[   21.155904][  T294] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
[   21.164144][  T294] CPU: 0 PID: 294 Comm: syz-executor280 Not tainted 5.15.118-syzkaller-01748-g241da2ad5601 #0
[   21.174211][  T294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
[   21.184106][  T294] RIP: 0010:do_unlinkat+0x3db/0x910
[   21.189135][  T294] Code: de e8 99 0d b3 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 99 6d f4 ff 49 8b 45 30 48 89 44 24 38 4c
[   21.208582][  T294] RSP: 0018:ffffc90000957d80 EFLAGS: 00010206
[   21.214875][  T294] RAX: 0000000000000006 RBX: 0000000000000000 RCX: ffff88811e043b40
[   21.222691][  T294] RDX: ffff88811e043b40 RSI: 0000000000000000 RDI: 0000000000000032
[   21.230502][  T294] RBP: ffffc90000957f08 R08: ffffffff81bccc6c R09: ffffed102381c672
[pid   296] futex(0x7fceceaf94d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   293] exit_group(0)               = ?
[pid   296] <... futex resumed>)        = ?
[pid   296] +++ exited with 0 +++
[   21.238312][  T294] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[   21.246127][  T294] R13: 0000000000000002 R14: dffffc0000000000 R15: 1ffff1102381c66c
[   21.253931][  T294] FS:  00007fcecea21700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   21.263661][  T294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.270086][  T294] CR2: 000055f4710b3008 CR3: 000000011dfe5000 CR4: 00000000003506b0
[   21.278155][  T294] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   21.286254][  T294] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.294037][  T294] Call Trace:
[   21.297303][  T294]  <TASK>
[   21.300023][  T294]  ? __die_body+0x62/0xb0
[   21.304185][  T294]  ? die_addr+0x9f/0xd0
[   21.308174][  T294]  ? exc_general_protection+0x311/0x4b0
[   21.313562][  T294]  ? asm_exc_general_protection+0x27/0x30
[   21.319113][  T294]  ? do_unlinkat+0x35c/0x910
[   21.323538][  T294]  ? do_unlinkat+0x3db/0x910
[   21.327965][  T294]  ? fsnotify_link_count+0x100/0x100
[   21.333094][  T294]  ? getname_flags+0x1fd/0x520
[   21.337691][  T294]  __x64_sys_unlink+0x49/0x50
[   21.342201][  T294]  do_syscall_64+0x3d/0xb0
[   21.346448][  T294]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   21.352297][  T294] RIP: 0033:0x7fcecea6f4a9
[   21.356967][  T294] 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
[   21.376601][  T294] RSP: 002b:00007fcecea212f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
[   21.384814][  T294] RAX: ffffffffffffffda RBX: 00007fceceaf94c0 RCX: 00007fcecea6f4a9
[   21.392621][  T294] RDX: 00007fcecea6f4a9 RSI: 00000000000f4240 RDI: 0000000020000100
[   21.400435][  T294] RBP: 00007fceceac7024 R08: 0000000000000000 R09: 0000000000000000
[   21.408245][  T294] R10: 0000000000000030 R11: 0000000000000246 R12: 00007ffc03e080de
[   21.416056][  T294] R13: 00007fceceac7040 R14: 0000000800000000 R15: 00007fceceaf94c8
[   21.423874][  T294]  </TASK>
[   21.426728][  T294] Modules linked in:
[   21.430603][  T294] ---[ end trace cc6a787e070136d9 ]---
[   21.435856][  T294] RIP: 0010:do_unlinkat+0x3db/0x910
[   21.440918][  T294] Code: de e8 99 0d b3 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 99 6d f4 ff 49 8b 45 30 48 89 44 24 38 4c
[   21.460402][  T294] RSP: 0018:ffffc90000957d80 EFLAGS: 00010206
[   21.466228][  T294] RAX: 0000000000000006 RBX: 0000000000000000 RCX: ffff88811e043b40
[   21.474223][  T294] RDX: ffff88811e043b40 RSI: 0000000000000000 RDI: 0000000000000032
[   21.482112][  T294] RBP: ffffc90000957f08 R08: ffffffff81bccc6c R09: ffffed102381c672
[   21.489958][  T294] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[   21.497774][  T294] R13: 0000000000000002 R14: dffffc0000000000 R15: 1ffff1102381c66c
[   21.505755][  T294] FS:  00007fcecea21700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   21.514619][  T294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.521065][  T294] CR2: 000055f4710b3008 CR3: 000000011dfe5000 CR4: 00000000003506b0
[   21.528821][  T294] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   21.536698][  T294] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.545004][  T294] Kernel panic - not syncing: Fatal exception
[   21.551072][  T294] Kernel Offset: disabled
[   21.555296][  T294] Rebooting in 86400 seconds..