./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2691671137
<...>
Warning: Permanently added '10.128.0.70' (ED25519) to the list of known hosts.
execve("./syz-executor2691671137", ["./syz-executor2691671137"], 0x7ffe4289aa80 /* 10 vars */) = 0
brk(NULL) = 0x55558baf2000
brk(0x55558baf2d40) = 0x55558baf2d40
arch_prctl(ARCH_SET_FS, 0x55558baf23c0) = 0
set_tid_address(0x55558baf2690) = 297
set_robust_list(0x55558baf26a0, 24) = 0
rseq(0x55558baf2ce0, 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-executor2691671137", 4096) = 28
getrandom("\x3a\x15\x97\xbe\xf9\xb0\xf5\xb4", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55558baf2d40
brk(0x55558bb13d40) = 0x55558bb13d40
brk(0x55558bb14000) = 0x55558bb14000
mprotect(0x7f664209e000, 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
write(1, "executing program\n", 18executing program
) = 18
futex(0x7f66420a43ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f664203d660, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f664202ece0}, 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) = 0x7f6641fb9000
mprotect(0x7f6641fba000, 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=0x7f6641fd9990, parent_tid=0x7f6641fd9990, exit_signal=0, stack=0x7f6641fb9000, stack_size=0x20300, tls=0x7f6641fd96c0} => {parent_tid=[299]}, 88) = 299
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
futex(0x7f66420a43e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
futex(0x7f66420a43ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 299 attached
<unfinished ...>
[pid 299] set_robust_list(0x7f6641fd99a0, 24) = 0
[pid 299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid 299] mkdir("./file0", 000) = 0
[pid 299] futex(0x7f66420a43ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 297] <... futex resumed>) = 0
[pid 297] futex(0x7f66420a43e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 297] futex(0x7f66420a43ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 299] <... futex resumed>) = 1
[pid 299] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000) = 3
[pid 299] futex(0x7f66420a43ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 297] <... futex resumed>) = 0
[pid 297] futex(0x7f66420a43e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 297] futex(0x7f66420a43ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 299] <... futex resumed>) = 1
[pid 299] mount(NULL, "./file0", "fuse", 0, "fd=00000000000000000000003,rootmode=0000000000000000040000,user_id=00000000000000000000,group_id=000"...) = 0
[pid 299] futex(0x7f66420a43ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 297] <... futex resumed>) = 0
[pid 297] futex(0x7f66420a43e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 297] futex(0x7f66420a43ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 299] <... futex resumed>) = 1
[pid 299] 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 299] futex(0x7f66420a43ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 297] <... futex resumed>) = 0
[pid 297] futex(0x7f66420a43e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 297] futex(0x7f66420a43ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 299] <... futex resumed>) = 1
[ 36.066802][ T24] audit: type=1400 audit(1735508810.610:66): avc: denied { execmem } for pid=297 comm="syz-executor269" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 36.086140][ T24] audit: type=1400 audit(1735508810.630:67): avc: denied { read write } for pid=297 comm="syz-executor269" 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
[pid 299] read(3, <unfinished ...>
[pid 297] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[pid 297] futex(0x7f66420a43ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid 297] futex(0x7f66420a43fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6641f98000
[pid 297] mprotect(0x7f6641f99000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 297] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid 297] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6641fb8990, parent_tid=0x7f6641fb8990, exit_signal=0, stack=0x7f6641f98000, stack_size=0x20300, tls=0x7f6641fb86c0} => {parent_tid=[301]}, 88) = 301
[pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid 297] futex(0x7f66420a43f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 297] futex(0x7f66420a43fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 301 attached
<unfinished ...>
[pid 301] set_robust_list(0x7f6641fb89a0, 24) = 0
[pid 301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid 301] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=10, insns=0x20000680, license=NULL, log_level=4, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 148) = -1 E2BIG (Argument list too long)
[pid 301] futex(0x7f66420a43fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 297] <... futex resumed>) = 0
[pid 297] futex(0x7f66420a43f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 297] futex(0x7f66420a43fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 301] <... futex resumed>) = 1
[pid 301] 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\x1a\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\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 80) = 80
[pid 301] futex(0x7f66420a43fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 297] <... futex resumed>) = 0
[pid 297] futex(0x7f66420a43f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 297] futex(0x7f66420a43fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 301] <... futex resumed>) = 1
[pid 301] rename("./file0/../file0/file0", "./file0/../file0/file0" <unfinished ...>
[pid 299] <... 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\x2d\x01\x00\x00\x00\x00\x00\x00\x66\x69\x6c\x65\x30\x00", 8192) = 46
[pid 299] write(3, "\x95\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x03\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\xfd\xff\xff\xff\x00\x00\x00\x00\x00\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\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 149) = 149
[pid 299] futex(0x7f66420a43ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[ 36.109608][ T24] audit: type=1400 audit(1735508810.630:68): avc: denied { open } for pid=297 comm="syz-executor269" 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
[ 36.133047][ T24] audit: type=1400 audit(1735508810.630:69): avc: denied { mounton } for pid=297 comm="syz-executor269" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[ 36.155604][ T24] audit: type=1400 audit(1735508810.640:70): avc: denied { mount } for pid=297 comm="syz-executor269" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[ 36.166784][ T301] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
[ 36.188934][ T301] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
[ 36.197189][ T301] CPU: 1 PID: 301 Comm: syz-executor269 Not tainted 5.10.231-syzkaller-00700-g4055d754db6f #0
[ 36.207246][ T301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 36.217268][ T301] RIP: 0010:do_renameat2+0x790/0x1240
[ 36.222450][ T301] Code: ff ff 48 89 c3 48 3d 01 f0 ff ff 72 16 e8 48 4f b6 ff 41 89 dc 48 8b 1c 24 4c 8b 6c 24 58 e9 60 03 00 00 49 89 dc 49 c1 ec 03 <43> 0f b6 04 3c 84 c0 4c 8b 6c 24 58 0f 85 18 06 00 00 48 89 5c 24
[ 36.241896][ T301] RSP: 0018:ffffc90000b37d00 EFLAGS: 00010247
[ 36.247791][ T301] RAX: 0000000000000005 RBX: 0000000000000005 RCX: ffff88810d11bb40
[ 36.255599][ T301] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
[ 36.263439][ T301] RBP: ffffc90000b37f08 R08: ffffffff81b69e98 R09: ffffed1020084b82
[ 36.271247][ T301] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
[ 36.279051][ T301] R13: 0000000000000000 R14: ffffc90000b37e01 R15: dffffc0000000000
[ 36.286868][ T301] FS: 00007f6641fb86c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 36.295637][ T301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 36.302048][ T301] CR2: 0000000039ab02c8 CR3: 0000000121160000 CR4: 00000000003506a0
[ 36.309867][ T301] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 36.317679][ T301] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 36.325470][ T301] Call Trace:
[ 36.328712][ T301] ? __die_body+0x62/0xb0
[ 36.332870][ T301] ? die_addr+0x9f/0xd0
[ 36.336875][ T301] ? exc_general_protection+0x3ff/0x490
[ 36.342271][ T301] ? asm_exc_general_protection+0x1e/0x30
[ 36.347800][ T301] ? fast_dput+0x78/0x2a0
[ 36.351968][ T301] ? do_renameat2+0x790/0x1240
[ 36.356581][ T301] ? fsnotify_move+0x290/0x290
[ 36.361178][ T301] ? getname_flags+0x1fd/0x520
[ 36.365778][ T301] __x64_sys_rename+0x86/0x90
[ 36.370295][ T301] do_syscall_64+0x34/0x70
[ 36.374532][ T301] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 36.380266][ T301] RIP: 0033:0x7f66420177b9
[ 36.384521][ T301] 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
[ 36.404075][ T301] RSP: 002b:00007f6641fb8218 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
[pid 299] futex(0x7f66420a43e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 297] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
[ 36.412389][ T301] RAX: ffffffffffffffda RBX: 00007f66420a43f8 RCX: 00007f66420177b9
[ 36.420194][ T301] RDX: 00007f66420177b9 RSI: 0000000020000140 RDI: 0000000020000100
[ 36.427997][ T301] RBP: 00007f66420a43f0 R08: 0000000000000000 R09: 0000000000000000
[ 36.435817][ T301] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f664207102c
[ 36.443620][ T301] R13: 0000000000000000 R14: 0030656c69662f30 R15: 00007f664207104c
[ 36.451538][ T301] Modules linked in:
[ 36.456324][ T301] ---[ end trace 667501adcba15466 ]---
[ 36.461915][ T301] RIP: 0010:do_renameat2+0x790/0x1240
[ 36.467145][ T301] Code: ff ff 48 89 c3 48 3d 01 f0 ff ff 72 16 e8 48 4f b6 ff 41 89 dc 48 8b 1c 24 4c 8b 6c 24 58 e9 60 03 00 00 49 89 dc 49 c1 ec 03 <43> 0f b6 04 3c 84 c0 4c 8b 6c 24 58 0f 85 18 06 00 00 48 89 5c 24
[ 36.486636][ T301] RSP: 0018:ffffc90000b37d00 EFLAGS: 00010247
[ 36.492676][ T301] RAX: 0000000000000005 RBX: 0000000000000005 RCX: ffff88810d11bb40
[ 36.500432][ T301] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
[ 36.508214][ T301] RBP: ffffc90000b37f08 R08: ffffffff81b69e98 R09: ffffed1020084b82
[ 36.516066][ T301] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
[ 36.523852][ T301] R13: 0000000000000000 R14: ffffc90000b37e01 R15: dffffc0000000000
[ 36.531683][ T301] FS: 00007f6641fb86c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 36.540425][ T301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 36.546945][ T301] CR2: 0000000039ab02c8 CR3: 0000000121160000 CR4: 00000000003506a0
[ 36.554784][ T301] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 36.562567][ T301] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 36.570411][ T301] Kernel panic - not syncing: Fatal exception
[ 36.576519][ T301] Kernel Offset: disabled
[ 36.580671][ T301] Rebooting in 86400 seconds..