./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor287127598

<...>
Warning: Permanently added '10.128.1.101' (ED25519) to the list of known hosts.
execve("./syz-executor287127598", ["./syz-executor287127598"], 0x7ffd633c1630 /* 10 vars */) = 0
brk(NULL)                               = 0x55557df51000
brk(0x55557df51d40)                     = 0x55557df51d40
arch_prctl(ARCH_SET_FS, 0x55557df513c0) = 0
set_tid_address(0x55557df51690)         = 287
set_robust_list(0x55557df516a0, 24)     = 0
rseq(0x55557df51ce0, 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-executor287127598", 4096) = 27
getrandom("\x11\xc6\x46\x22\xe9\xd9\xae\x0b", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55557df51d40
brk(0x55557df72d40)                     = 0x55557df72d40
brk(0x55557df73000)                     = 0x55557df73000
mprotect(0x7f593aa3e000, 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(0x7f593aa443ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f593a9db520, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f593a9ccba0}, 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) = 0x7f593a957000
mprotect(0x7f593a958000, 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=0x7f593a977990, parent_tid=0x7f593a977990, exit_signal=0, stack=0x7f593a957000, stack_size=0x20300, tls=0x7f593a9776c0} => {parent_tid=[288]}, 88) = 288
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
futex(0x7f593aa443e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
futex(0x7f593aa443ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 288 attached
 <unfinished ...>
[pid   288] set_robust_list(0x7f593a9779a0, 24) = 0
[pid   288] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   288] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   288] futex(0x7f593aa443ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   287] <... futex resumed>)        = 0
[pid   288] <... futex resumed>)        = 1
[pid   287] futex(0x7f593aa443e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   287] futex(0x7f593aa443ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   288] openat(AT_FDCWD, "/dev/fuse", O_RDWR) = 3
[pid   288] futex(0x7f593aa443ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   288] futex(0x7f593aa443e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   287] <... futex resumed>)        = 0
[pid   287] futex(0x7f593aa443e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   287] futex(0x7f593aa443ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   288] <... futex resumed>)        = 0
[pid   288] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0
[pid   288] futex(0x7f593aa443ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   287] <... futex resumed>)        = 0
[pid   287] futex(0x7f593aa443e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   287] futex(0x7f593aa443ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   288] <... futex resumed>)        = 1
[pid   288] 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", 8192) = 56
[pid   288] write(3, "\x50\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x26\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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   288] futex(0x7f593aa443ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   287] <... futex resumed>)        = 0
[pid   287] futex(0x7f593aa443e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   287] futex(0x7f593aa443ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   288] <... futex resumed>)        = 1
[   19.853812][   T24] audit: type=1400 audit(1726699843.350:66): avc:  denied  { execmem } for  pid=287 comm="syz-executor287" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   19.859755][   T24] audit: type=1400 audit(1726699843.360:67): avc:  denied  { read write } for  pid=287 comm="syz-executor287" 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
[   19.863175][   T24] audit: type=1400 audit(1726699843.360:68): avc:  denied  { open } for  pid=287 comm="syz-executor287" 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
[   19.867139][   T24] audit: type=1400 audit(1726699843.360:69): avc:  denied  { mounton } for  pid=287 comm="syz-executor287" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   19.870212][   T24] audit: type=1400 audit(1726699843.360:70): avc:  denied  { mount } for  pid=287 comm="syz-executor287" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[pid   288] read(3,  <unfinished ...>
[pid   287] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   287] futex(0x7f593aa443ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   287] futex(0x7f593aa443ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   287] futex(0x7f593aa443ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   287] futex(0x7f593aa443fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f593a936000
[pid   287] mprotect(0x7f593a937000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   287] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   287] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f593a956990, parent_tid=0x7f593a956990, exit_signal=0, stack=0x7f593a936000, stack_size=0x20300, tls=0x7f593a9566c0} => {parent_tid=[290]}, 88) = 290
[pid   287] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   287] futex(0x7f593aa443f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   287] futex(0x7f593aa443fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 290 attached
 <unfinished ...>
[pid   290] set_robust_list(0x7f593a9569a0, 24) = 0
[pid   290] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   290] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid   288] <... read resumed>"\x30\x00\x00\x00\x1b\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\x22\x01\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00", 8192) = 48
[pid   288] write(3, "\x20\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\x00\x00\x00\x00\x00\x00", 32) = 32
[pid   288] futex(0x7f593aa443ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   288] futex(0x7f593aa443e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   290] <... openat resumed>)       = 4
[pid   290] futex(0x7f593aa443fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   290] futex(0x7f593aa443f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   287] <... futex resumed>)        = 0
[pid   287] futex(0x7f593aa443e8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   288] <... futex resumed>)        = 0
[pid   287] futex(0x7f593aa443ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   288] renameat2(4, "./file1", 4, "./file0", 0 <unfinished ...>
[pid   287] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   287] futex(0x7f593aa443ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   287] futex(0x7f593aa443f8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   287] futex(0x7f593aa443fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   290] <... futex resumed>)        = 0
[pid   290] read(3, "\x2e\x00\x00\x00\x01\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x01\x00\x00\x00\x00\x00\x00\x66\x69\x6c\x65\x31\x00", 8224) = 46
[pid   290] futex(0x7f593aa443fc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   287] <... futex resumed>)        = 0
[pid   287] futex(0x7f593aa443f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   287] futex(0x7f593aa443fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   290] <... futex resumed>)        = 1
[pid   290] write(3, "\xa0\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\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 160) = 160
[pid   290] futex(0x7f593aa443fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   290] futex(0x7f593aa443f8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   287] <... futex resumed>)        = 0
[   19.971710][  T288] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
[   19.983225][  T288] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
[   19.991472][  T288] CPU: 1 PID: 288 Comm: syz-executor287 Not tainted 5.10.225-syzkaller-00513-g8d23314f588a #0
[   20.001534][  T288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
[   20.011459][  T288] RIP: 0010:do_renameat2+0x790/0x1240
[   20.016639][  T288] Code: ff ff 48 89 c3 48 3d 01 f0 ff ff 72 16 e8 78 52 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
[   20.036086][  T288] RSP: 0018:ffffc9000096fce0 EFLAGS: 00010202
[   20.041982][  T288] RAX: 0000000000000010 RBX: 0000000000000010 RCX: ffff888120954f00
[   20.049791][  T288] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000000
[   20.057605][  T288] RBP: ffffc9000096fef0 R08: ffffffff81b68a38 R09: ffffed10239d673e
[pid   287] exit_group(0)               = ?
[pid   290] <... futex resumed>)        = ?
[pid   290] +++ exited with 0 +++
[   20.065416][  T288] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000002
[   20.073227][  T288] R13: 0000000000000000 R14: ffffc9000096fe01 R15: dffffc0000000000
[   20.081039][  T288] FS:  00007f593a9776c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   20.089807][  T288] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.096227][  T288] CR2: 000055a7f7f074f0 CR3: 00000001207d0000 CR4: 00000000003506a0
[   20.104036][  T288] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   20.111849][  T288] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   20.119656][  T288] Call Trace:
[   20.122790][  T288]  ? __die_body+0x62/0xb0
[   20.126954][  T288]  ? die_addr+0x9f/0xd0
[   20.130943][  T288]  ? exc_general_protection+0x3ff/0x490
[   20.136329][  T288]  ? asm_exc_general_protection+0x1e/0x30
[   20.141882][  T288]  ? fast_dput+0x78/0x2a0
[   20.146047][  T288]  ? do_renameat2+0x790/0x1240
[   20.150646][  T288]  ? fsnotify_move+0x290/0x290
[   20.155245][  T288]  __x64_sys_renameat2+0xdd/0xf0
[   20.160018][  T288]  do_syscall_64+0x34/0x70
[   20.164273][  T288]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   20.170001][  T288] RIP: 0033:0x7f593a9b5679
[   20.174253][  T288] 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
[   20.193694][  T288] RSP: 002b:00007f593a977218 EFLAGS: 00000246 ORIG_RAX: 000000000000013c
[   20.201938][  T288] RAX: ffffffffffffffda RBX: 00007f593aa443e8 RCX: 00007f593a9b5679
[   20.209751][  T288] RDX: 0000000000000004 RSI: 0000000020000500 RDI: 0000000000000004
[   20.217561][  T288] RBP: 00007f593aa443e0 R08: 0000000000000000 R09: 0000000000000000
[   20.225378][  T288] R10: 00000000200001c0 R11: 0000000000000246 R12: 00007f593aa1109c
[   20.233184][  T288] R13: 0030656c69662f2e R14: 00007f593aa110ca R15: 0031656c69662f2e
[   20.240993][  T288] Modules linked in:
[   20.245347][  T288] ---[ end trace 82620d72bd2cc69f ]---
[   20.250620][  T288] RIP: 0010:do_renameat2+0x790/0x1240
[   20.255843][  T288] Code: ff ff 48 89 c3 48 3d 01 f0 ff ff 72 16 e8 78 52 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
[   20.275267][  T288] RSP: 0018:ffffc9000096fce0 EFLAGS: 00010202
[   20.281175][  T288] RAX: 0000000000000010 RBX: 0000000000000010 RCX: ffff888120954f00
[   20.288980][  T288] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000000
[   20.296804][  T288] RBP: ffffc9000096fef0 R08: ffffffff81b68a38 R09: ffffed10239d673e
[   20.304593][  T288] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000002
[   20.312424][  T288] R13: 0000000000000000 R14: ffffc9000096fe01 R15: dffffc0000000000
[   20.320227][  T288] FS:  00007f593a9776c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   20.329001][  T288] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.335415][  T288] CR2: 000055a7f7f074f0 CR3: 00000001207d0000 CR4: 00000000003506a0
[   20.343213][  T288] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   20.351043][  T288] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   20.358850][  T288] Kernel panic - not syncing: Fatal exception
[   20.364909][  T288] Kernel Offset: disabled
[   20.369025][  T288] Rebooting in 86400 seconds..