./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3357739766 <...> Warning: Permanently added '10.128.0.130' (ED25519) to the list of known hosts. execve("./syz-executor3357739766", ["./syz-executor3357739766"], 0x7ffc0c97a7c0 /* 10 vars */) = 0 brk(NULL) = 0x55556d838000 brk(0x55556d838d00) = 0x55556d838d00 arch_prctl(ARCH_SET_FS, 0x55556d838380) = 0 set_tid_address(0x55556d838650) = 5067 set_robust_list(0x55556d838660, 24) = 0 rseq(0x55556d838ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3357739766", 4096) = 28 getrandom("\x26\x4d\xbe\xc8\x44\x9f\x96\xd8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556d838d00 brk(0x55556d859d00) = 0x55556d859d00 brk(0x55556d85a000) = 0x55556d85a000 mprotect(0x7fedc2b9a000, 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 mmap(0x20400000, 12582912, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS|MAP_NORESERVE|MAP_POPULATE|MAP_NONBLOCK|MAP_EXECUTABLE|MAP_HUGETLB, -1, 0) = 0x20400000 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|UFFD_FEATURE_EXACT_ADDRESS|0x14000, ioctls=1<<_UFFDIO_REGISTER|1<<_UFFDIO_UNREGISTER|1<<_UFFDIO_API}) = 0 ioctl(3, UFFDIO_REGISTER, {range={start=0x20400000, len=0xc00000}, mode=UFFDIO_REGISTER_MODE_MISSING|UFFDIO_REGISTER_MODE_MINOR, ioctls=1<<_UFFDIO_WAKE|1<<_UFFDIO_COPY|1<<_UFFDIO_CONTINUE|0x100}) = 0 ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0xaa, 0x8, 0x20), 0x20000080) = 0 [ 55.237761][ T5067] ------------[ cut here ]------------ [ 55.243579][ T5067] WARNING: CPU: 1 PID: 5067 at mm/hugetlb.c:6947 hugetlb_change_protection+0x1195/0x1e20 [ 55.253488][ T5067] Modules linked in: [ 55.257437][ T5067] CPU: 1 PID: 5067 Comm: syz-executor335 Not tainted 6.8.0-syzkaller-08073-g480e035fc4c7 #0 [ 55.267575][ T5067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 55.277679][ T5067] RIP: 0010:hugetlb_change_protection+0x1195/0x1e20 [ 55.284290][ T5067] Code: e6 09 48 b8 00 fe ff ff ff ff ff 07 49 21 c6 49 09 de 48 b8 00 00 00 00 00 00 00 c0 49 09 c6 48 ff 44 24 78 e9 97 00 00 00 90 <0f> 0b 90 48 83 bc 24 90 00 00 00 00 4c 8b 6c 24 28 4c 8b 74 24 08 [ 55.303997][ T5067] RSP: 0018:ffffc9000397f580 EFLAGS: 00010212 [ 55.310158][ T5067] RAX: 0000000000000000 RBX: f7ffffffffffffff RCX: ffff888078080000 [ 55.318199][ T5067] RDX: ffff888078080000 RSI: fffffffffffffa00 RDI: f7ffffffffffffff [ 55.326257][ T5067] RBP: ffffc9000397f830 R08: ffffffff81f379ee R09: 1ffffd40000dfa8e [ 55.334254][ T5067] R10: dffffc0000000000 R11: fffff940000dfa8f R12: dffffc0000000000 [ 55.342294][ T5067] R13: fffffffffffffa00 R14: 000000000000001e R15: ffff88801bf51810 [ 55.350329][ T5067] FS: 000055556d838380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 55.359319][ T5067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.365941][ T5067] CR2: 00000000005fdeb8 CR3: 000000002c45c000 CR4: 00000000003506f0 [ 55.373999][ T5067] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.382084][ T5067] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.390140][ T5067] Call Trace: [ 55.393432][ T5067] [ 55.396411][ T5067] ? __warn+0x163/0x4b0 [ 55.400586][ T5067] ? hugetlb_change_protection+0x1195/0x1e20 [ 55.406620][ T5067] ? report_bug+0x2b3/0x500 [ 55.411149][ T5067] ? hugetlb_change_protection+0x1195/0x1e20 [ 55.417193][ T5067] ? handle_bug+0x3e/0x70 [ 55.421543][ T5067] ? exc_invalid_op+0x1a/0x50 [ 55.426296][ T5067] ? asm_exc_invalid_op+0x1a/0x20 [ 55.431335][ T5067] ? hugetlb_change_protection+0xc9e/0x1e20 [ 55.437282][ T5067] ? hugetlb_change_protection+0x1195/0x1e20 [ 55.443290][ T5067] ? __pfx_hugetlb_change_protection+0x10/0x10 [ 55.449531][ T5067] ? mas_next_slot+0xeb2/0xf90 [ 55.454426][ T5067] change_protection+0x361/0x35f0 [ 55.459534][ T5067] ? __pfx_validate_mm+0x10/0x10 [ 55.464515][ T5067] ? __split_vma+0xb7b/0xd00 [ 55.469182][ T5067] ? __pfx_change_protection+0x10/0x10 [ 55.474673][ T5067] ? __pfx___split_vma+0x10/0x10 [ 55.479678][ T5067] ? vma_set_page_prot+0x1d7/0x530 [ 55.484812][ T5067] ? __pfx_vma_set_page_prot+0x10/0x10 [ 55.490351][ T5067] mprotect_fixup+0x883/0xb80 [ 55.495046][ T5067] ? __pfx_mprotect_fixup+0x10/0x10 [ 55.500298][ T5067] do_mprotect_pkey+0x903/0xe20 [ 55.505170][ T5067] ? __pfx_do_mprotect_pkey+0x10/0x10 [ 55.510606][ T5067] ? __pfx_ptrace_notify+0x10/0x10 [ 55.515737][ T5067] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 55.522113][ T5067] ? do_syscall_64+0x10a/0x240 [ 55.526927][ T5067] __x64_sys_mprotect+0x80/0x90 [ 55.531776][ T5067] do_syscall_64+0xfb/0x240 [ 55.536337][ T5067] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 55.542245][ T5067] RIP: 0033:0x7fedc2b27369 [ 55.546704][ T5067] Code: 48 83 c4 28 c3 e8 37 17 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 [ 55.566354][ T5067] RSP: 002b:00007fff43f189c8 EFLAGS: 00000246 ORIG_RAX: 000000000000000a [ 55.574760][ T5067] RAX: ffffffffffffffda RBX: 00007fff43f18b98 RCX: 00007fedc2b27369 [ 55.582886][ T5067] RDX: 0000000000000006 RSI: 0000000000800000 RDI: 0000000020000000 [ 55.590910][ T5067] RBP: 00007fedc2b9a610 R08: 00007fff43f18b98 R09: 00007fff43f18b98 [ 55.598989][ T5067] R10: 00007fff43f18b98 R11: 0000000000000246 R12: 0000000000000001 [ 55.607538][ T5067] R13: 00007fff43f18b88 R14: 0000000000000001 R15: 0000000000000001 [ 55.615528][ T5067] [ 55.618677][ T5067] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 55.625961][ T5067] CPU: 1 PID: 5067 Comm: syz-executor335 Not tainted 6.8.0-syzkaller-08073-g480e035fc4c7 #0 [ 55.636013][ T5067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 55.646073][ T5067] Call Trace: [ 55.649363][ T5067] [ 55.652280][ T5067] dump_stack_lvl+0x241/0x360 [ 55.656960][ T5067] ? __pfx_dump_stack_lvl+0x10/0x10 [ 55.662143][ T5067] ? __pfx__printk+0x10/0x10 [ 55.666728][ T5067] ? vscnprintf+0x5d/0x90 [ 55.671045][ T5067] panic+0x349/0x860 [ 55.674965][ T5067] ? __warn+0x172/0x4b0 [ 55.679213][ T5067] ? __pfx_panic+0x10/0x10 [ 55.683625][ T5067] __warn+0x31e/0x4b0 [ 55.687590][ T5067] ? hugetlb_change_protection+0x1195/0x1e20 [ 55.693557][ T5067] report_bug+0x2b3/0x500 [ 55.697961][ T5067] ? hugetlb_change_protection+0x1195/0x1e20 [ 55.704097][ T5067] handle_bug+0x3e/0x70 [ 55.708238][ T5067] exc_invalid_op+0x1a/0x50 [ 55.712726][ T5067] asm_exc_invalid_op+0x1a/0x20 [ 55.717558][ T5067] RIP: 0010:hugetlb_change_protection+0x1195/0x1e20 [ 55.724131][ T5067] Code: e6 09 48 b8 00 fe ff ff ff ff ff 07 49 21 c6 49 09 de 48 b8 00 00 00 00 00 00 00 c0 49 09 c6 48 ff 44 24 78 e9 97 00 00 00 90 <0f> 0b 90 48 83 bc 24 90 00 00 00 00 4c 8b 6c 24 28 4c 8b 74 24 08 [ 55.743736][ T5067] RSP: 0018:ffffc9000397f580 EFLAGS: 00010212 [ 55.749815][ T5067] RAX: 0000000000000000 RBX: f7ffffffffffffff RCX: ffff888078080000 [ 55.757813][ T5067] RDX: ffff888078080000 RSI: fffffffffffffa00 RDI: f7ffffffffffffff [ 55.765796][ T5067] RBP: ffffc9000397f830 R08: ffffffff81f379ee R09: 1ffffd40000dfa8e [ 55.773849][ T5067] R10: dffffc0000000000 R11: fffff940000dfa8f R12: dffffc0000000000 [ 55.781822][ T5067] R13: fffffffffffffa00 R14: 000000000000001e R15: ffff88801bf51810 [ 55.789800][ T5067] ? hugetlb_change_protection+0xc9e/0x1e20 [ 55.795708][ T5067] ? __pfx_hugetlb_change_protection+0x10/0x10 [ 55.801875][ T5067] ? mas_next_slot+0xeb2/0xf90 [ 55.806649][ T5067] change_protection+0x361/0x35f0 [ 55.811682][ T5067] ? __pfx_validate_mm+0x10/0x10 [ 55.816648][ T5067] ? __split_vma+0xb7b/0xd00 [ 55.821243][ T5067] ? __pfx_change_protection+0x10/0x10 [ 55.826712][ T5067] ? __pfx___split_vma+0x10/0x10 [ 55.831658][ T5067] ? vma_set_page_prot+0x1d7/0x530 [ 55.836774][ T5067] ? __pfx_vma_set_page_prot+0x10/0x10 [ 55.842247][ T5067] mprotect_fixup+0x883/0xb80 [ 55.846970][ T5067] ? __pfx_mprotect_fixup+0x10/0x10 [ 55.852192][ T5067] do_mprotect_pkey+0x903/0xe20 [ 55.857049][ T5067] ? __pfx_do_mprotect_pkey+0x10/0x10 [ 55.862429][ T5067] ? __pfx_ptrace_notify+0x10/0x10 [ 55.867529][ T5067] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 55.873842][ T5067] ? do_syscall_64+0x10a/0x240 [ 55.878600][ T5067] __x64_sys_mprotect+0x80/0x90 [ 55.883439][ T5067] do_syscall_64+0xfb/0x240 [ 55.887928][ T5067] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 55.893821][ T5067] RIP: 0033:0x7fedc2b27369 [ 55.898231][ T5067] Code: 48 83 c4 28 c3 e8 37 17 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 [ 55.917848][ T5067] RSP: 002b:00007fff43f189c8 EFLAGS: 00000246 ORIG_RAX: 000000000000000a [ 55.926448][ T5067] RAX: ffffffffffffffda RBX: 00007fff43f18b98 RCX: 00007fedc2b27369 [ 55.934421][ T5067] RDX: 0000000000000006 RSI: 0000000000800000 RDI: 0000000020000000 [ 55.942396][ T5067] RBP: 00007fedc2b9a610 R08: 00007fff43f18b98 R09: 00007fff43f18b98 [ 55.950367][ T5067] R10: 00007fff43f18b98 R11: 0000000000000246 R12: 0000000000000001 [ 55.958421][ T5067] R13: 00007fff43f18b88 R14: 0000000000000001 R15: 0000000000000001 [ 55.966389][ T5067] [ 55.969537][ T5067] Kernel Offset: disabled [ 55.974022][ T5067] Rebooting in 86400 seconds..