./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2424577485
<...>
Warning: Permanently added '10.128.1.20' (ED25519) to the list of known hosts.
execve("./syz-executor2424577485", ["./syz-executor2424577485"], 0x7ffefaeaedd0 /* 10 vars */) = 0
brk(NULL) = 0x5555680f7000
brk(0x5555680f7d00) = 0x5555680f7d00
arch_prctl(ARCH_SET_FS, 0x5555680f7380) = 0
set_tid_address(0x5555680f7650) = 296
set_robust_list(0x5555680f7660, 24) = 0
rseq(0x5555680f7ca0, 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-executor2424577485", 4096) = 28
getrandom("\x5a\xae\xda\x0b\x46\x6f\x3b\x3d", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555680f7d00
brk(0x555568118d00) = 0x555568118d00
brk(0x555568119000) = 0x555568119000
mprotect(0x7f751e32a000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0executing program
) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
openat(AT_FDCWD, "/proc/self/make-it-fail", O_WRONLY) = 3
close(3) = 0
openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_WRONLY) = 3
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3
write(3, "0", 1) = 1
close(3) = 0
write(1, "executing program\n", 18) = 18
userfaultfd(UFFD_USER_MODE_ONLY|O_CLOEXEC) = 3
ioctl(3, UFFDIO_API, {api=0xaa, features=0 => features=UFFD_FEATURE_PAGEFAULT_FLAG_WP|UFFD_FEATURE_EVENT_FORK|UFFD_FEATURE_EVENT_REMAP|UFFD_FEATURE_EVENT_REMOVE|UFFD_FEATURE_MISSING_HUGETLBFS|UFFD_FEATURE_MISSING_SHMEM|UFFD_FEATURE_EVENT_UNMAP|UFFD_FEATURE_SIGBUS|UFFD_FEATURE_THREAD_ID|UFFD_FEATURE_MINOR_HUGETLBFS|UFFD_FEATURE_MINOR_SHMEM|0x1f800, ioctls=1<<_UFFDIO_REGISTER|1<<_UFFDIO_UNREGISTER|1<<_UFFDIO_API}) = 0
ioctl(3, UFFDIO_REGISTER, {range={start=0x200000000000, len=0xc00000}, mode=UFFDIO_REGISTER_MODE_MISSING|UFFDIO_REGISTER_MODE_WP, ioctls=1<<_UFFDIO_WAKE|1<<_UFFDIO_COPY|1<<_UFFDIO_ZEROPAGE|1<<_UFFDIO_WRITEPROTECT|0x120}) = 0
openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
write(4, "1", 1) = 1
[ 27.564823][ T36] audit: type=1400 audit(1750474390.020:64): avc: denied { execmem } for pid=296 comm="syz-executor242" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 27.569930][ T296] FAULT_INJECTION: forcing a failure.
[ 27.569930][ T296] name failslab, interval 1, probability 0, space 0, times 1
[ 27.584772][ T36] audit: type=1400 audit(1750474390.030:65): avc: denied { create } for pid=296 comm="syz-executor242" anonclass=[userfaultfd] scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:sysadm_t tclass=anon_inode permissive=1
[ 27.597069][ T296] CPU: 1 UID: 0 PID: 296 Comm: syz-executor242 Not tainted 6.12.23-syzkaller-gd9fd901baa98 #0 f1acc3ef52b3e732a05c4f7a2560722db90bb473
[ 27.597107][ T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 27.597132][ T296] Call Trace:
[ 27.597138][ T296]
[ 27.597147][ T296] __dump_stack+0x21/0x30
[ 27.597196][ T296] dump_stack_lvl+0x10c/0x190
[ 27.597223][ T296] ? __cfi_dump_stack_lvl+0x10/0x10
[ 27.597251][ T296] ? arch_scale_cpu_capacity+0x1c/0xb0
[ 27.597282][ T296] dump_stack+0x19/0x20
[ 27.597307][ T296] should_fail_ex+0x3d9/0x530
[ 27.597334][ T296] should_failslab+0xac/0x100
[ 27.597364][ T296] kmem_cache_alloc_noprof+0x42/0x3a0
[ 27.597391][ T296] ? mas_alloc_nodes+0x254/0x9e0
[ 27.597417][ T296] mas_alloc_nodes+0x254/0x9e0
[ 27.597443][ T296] mas_preallocate+0x764/0xc60
[ 27.597467][ T296] ? __cfi_mas_preallocate+0x10/0x10
[ 27.597490][ T296] ? __cfi__raw_spin_lock+0x10/0x10
[ 27.597523][ T296] commit_merge+0x489/0xe60
[ 27.597552][ T296] ? vma_expand+0x550/0x550
[ 27.597592][ T296] ? __kasan_check_write+0x18/0x20
[ 27.597618][ T296] vma_modify+0xfa5/0x1430
[ 27.597647][ T296] vma_modify_flags_uffd+0x15a/0x190
[ 27.597699][ T296] userfaultfd_clear_vma+0x1e8/0x260
[ 27.597728][ T296] ? __cfi_userfaultfd_clear_vma+0x10/0x10
[ 27.597760][ T296] userfaultfd_release_all+0x280/0x490
[ 27.597788][ T296] ? __cfi_userfaultfd_release_all+0x10/0x10
[ 27.597816][ T296] ? __asan_memset+0x39/0x50
[ 27.597841][ T296] ? locks_remove_posix+0x38b/0x580
[ 27.597880][ T296] userfaultfd_release+0xe2/0x1a0
[ 27.597909][ T296] ? __cfi_userfaultfd_release+0x10/0x10
[ 27.597940][ T296] ? __cfi_userfaultfd_release+0x10/0x10
[ 27.597968][ T296] __fput+0x1fb/0xa00
[ 27.597989][ T296] __fput_sync+0x4a/0x70
[ 27.598008][ T296] __se_sys_close+0x17b/0x240
[ 27.598033][ T296] __x64_sys_close+0x3c/0x60
[ 27.598054][ T296] x64_sys_call+0x2560/0x2ee0
[ 27.598085][ T296] do_syscall_64+0x58/0xf0
[ 27.598114][ T296] ? clear_bhb_loop+0x35/0x90
[ 27.598147][ T296] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 27.598181][ T296] RIP: 0033:0x7f751e2bf369
[ 27.598207][ T296] Code: 48 83 c4 28 c3 e8 17 1a 00 00 0f 1f 80 00 00 00 00 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
[ 27.598226][ T296] RSP: 002b:00007ffd3c1c20c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 27.598255][ T296] RAX: ffffffffffffffda RBX: 00007ffd3c1c20d0 RCX: 00007f751e2bf369
[ 27.598284][ T296] RDX: 00007f751e2be6a0 RSI: 00007ffd3c1c20d0 RDI: 0000000000000003
[ 27.598300][ T296] RBP: 0000000000000001 R08: 00007ffd3c1c1e67 R09: 00007f751e320031
[ 27.598315][ T296] R10: 0000000000000001 R11: 0000000000000246 R12: 00007f751e32a618
[ 27.598329][ T296] R13: 00007ffd3c1c22a8 R14: 0000000000000001 R15: 0000000000000001
[ 27.598347][ T296]
[ 27.598628][ T296] BUG: unable to handle page fault for address: fffffffffffffffc
[ 27.622357][ T36] audit: type=1400 audit(1750474390.030:66): avc: denied { ioctl } for pid=296 comm="syz-executor242" path="anon_inode:[userfaultfd]" dev="anon_inodefs" ino=1767 ioctlcmd=0xaa3f scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:sysadm_t tclass=anon_inode permissive=1
[ 27.632336][ T296] #PF: supervisor read access in kernel mode
[ 27.632348][ T296] #PF: error_code(0x0000) - not-present page
[ 27.632359][ T296] PGD 72ae067 P4D 72ae067 PUD 72b0067 PMD 0
[ 27.642855][ T36] audit: type=1400 audit(1750474390.070:67): avc: denied { read } for pid=91 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1
[ 27.645716][ T296]
[ 27.645724][ T296] Oops: Oops: 0000 [#1] PREEMPT SMP KASAN PTI
[ 27.648945][ T36] audit: type=1400 audit(1750474390.070:68): avc: denied { search } for pid=91 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[ 27.652959][ T296] CPU: 1 UID: 0 PID: 296 Comm: syz-executor242 Not tainted 6.12.23-syzkaller-gd9fd901baa98 #0 f1acc3ef52b3e732a05c4f7a2560722db90bb473
[ 27.657834][ T36] audit: type=1400 audit(1750474390.070:69): avc: denied { write } for pid=91 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[ 27.662811][ T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 27.668505][ T36] audit: type=1400 audit(1750474390.070:70): avc: denied { add_name } for pid=91 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[ 27.672402][ T296] RIP: 0010:can_vma_merge_left+0x6c/0x4c0
[ 27.677864][ T36] audit: type=1400 audit(1750474390.070:71): avc: denied { create } for pid=91 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[ 27.681773][ T296] Code: ff 0f 84 2b 01 00 00 4d 8d 67 08 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 e7 e8 d4 28 08 00 <4d> 8b 24 24 4c 89 6d d0 49 83 c5 30 4c 89 e8 48 c1 e8 03 48 b9 00
[ 27.687387][ T36] audit: type=1400 audit(1750474390.070:72): avc: denied { append open } for pid=91 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[ 27.692068][ T296] RSP: 0018:ffffc9000120f8f8 EFLAGS: 00010246
[ 27.696964][ T36] audit: type=1400 audit(1750474390.070:73): avc: denied { getattr } for pid=91 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[ 27.701587][ T296]
[ 27.701595][ T296] RAX: 1fffffffffffffff RBX: ffffc9000120fa38 RCX: dffffc0000000000
[ 28.171775][ T296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000120fa20
[ 28.179746][ T296] RBP: ffffc9000120f938 R08: ffff88812457e09f R09: 1ffff110248afc13
[ 28.187724][ T296] R10: dffffc0000000000 R11: ffffed10248afc14 R12: fffffffffffffffc
[ 28.195701][ T296] R13: ffffc9000120fa20 R14: 1ffff92000241f47 R15: fffffffffffffff4
[ 28.203674][ T296] FS: 00005555680f7380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 28.212622][ T296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 28.219201][ T296] CR2: fffffffffffffffc CR3: 000000011f4f6000 CR4: 00000000003526b0
[ 28.227168][ T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 28.235146][ T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 28.243110][ T296] Call Trace:
[ 28.246383][ T296]
[ 28.249313][ T296] vma_modify+0x250/0x1430
[ 28.253749][ T296] vma_modify_flags_uffd+0x15a/0x190
[ 28.259033][ T296] userfaultfd_clear_vma+0x1e8/0x260
[ 28.264316][ T296] ? __cfi_userfaultfd_clear_vma+0x10/0x10
[ 28.270120][ T296] userfaultfd_release_all+0x280/0x490
[ 28.275587][ T296] ? __cfi_userfaultfd_release_all+0x10/0x10
[ 28.281579][ T296] ? __asan_memset+0x39/0x50
[ 28.286182][ T296] ? locks_remove_posix+0x38b/0x580
[ 28.291379][ T296] userfaultfd_release+0xe2/0x1a0
[ 28.296397][ T296] ? __cfi_userfaultfd_release+0x10/0x10
[ 28.302028][ T296] ? __cfi_userfaultfd_release+0x10/0x10
[ 28.307665][ T296] __fput+0x1fb/0xa00
[ 28.311643][ T296] __fput_sync+0x4a/0x70
[ 28.315877][ T296] __se_sys_close+0x17b/0x240
[ 28.320544][ T296] __x64_sys_close+0x3c/0x60
[ 28.325124][ T296] x64_sys_call+0x2560/0x2ee0
[ 28.329819][ T296] do_syscall_64+0x58/0xf0
[ 28.334235][ T296] ? clear_bhb_loop+0x35/0x90
[ 28.338912][ T296] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 28.344800][ T296] RIP: 0033:0x7f751e2bf369
[ 28.349207][ T296] Code: 48 83 c4 28 c3 e8 17 1a 00 00 0f 1f 80 00 00 00 00 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
[ 28.368812][ T296] RSP: 002b:00007ffd3c1c20c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 28.377217][ T296] RAX: ffffffffffffffda RBX: 00007ffd3c1c20d0 RCX: 00007f751e2bf369
[ 28.385193][ T296] RDX: 00007f751e2be6a0 RSI: 00007ffd3c1c20d0 RDI: 0000000000000003
[ 28.393165][ T296] RBP: 0000000000000001 R08: 00007ffd3c1c1e67 R09: 00007f751e320031
[ 28.401170][ T296] R10: 0000000000000001 R11: 0000000000000246 R12: 00007f751e32a618
[ 28.409155][ T296] R13: 00007ffd3c1c22a8 R14: 0000000000000001 R15: 0000000000000001
[ 28.417131][ T296]
[ 28.420150][ T296] Modules linked in:
[ 28.424048][ T296] CR2: fffffffffffffffc
[ 28.428191][ T296] ---[ end trace 0000000000000000 ]---
[ 28.433634][ T296] RIP: 0010:can_vma_merge_left+0x6c/0x4c0
[ 28.439354][ T296] Code: ff 0f 84 2b 01 00 00 4d 8d 67 08 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 e7 e8 d4 28 08 00 <4d> 8b 24 24 4c 89 6d d0 49 83 c5 30 4c 89 e8 48 c1 e8 03 48 b9 00
[ 28.458949][ T296] RSP: 0018:ffffc9000120f8f8 EFLAGS: 00010246
[ 28.465004][ T296] RAX: 1fffffffffffffff RBX: ffffc9000120fa38 RCX: dffffc0000000000
[ 28.472970][ T296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000120fa20
[ 28.480931][ T296] RBP: ffffc9000120f938 R08: ffff88812457e09f R09: 1ffff110248afc13
[ 28.488894][ T296] R10: dffffc0000000000 R11: ffffed10248afc14 R12: fffffffffffffffc
[ 28.496948][ T296] R13: ffffc9000120fa20 R14: 1ffff92000241f47 R15: fffffffffffffff4
[ 28.504917][ T296] FS: 00005555680f7380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 28.513838][ T296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 28.520412][ T296] CR2: fffffffffffffffc CR3: 000000011f4f6000 CR4: 00000000003526b0
[ 28.528387][ T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 28.536353][ T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 28.544317][ T296] Kernel panic - not syncing: Fatal exception
[ 28.550753][ T296] Kernel Offset: disabled
[ 28.555073][ T296] Rebooting in 86400 seconds..