./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2109305533 <...> Warning: Permanently added '10.128.0.154' (ED25519) to the list of known hosts. execve("./syz-executor2109305533", ["./syz-executor2109305533"], 0x7ffd50199900 /* 10 vars */) = 0 brk(NULL) = 0x555555aad000 brk(0x555555aadd00) = 0x555555aadd00 arch_prctl(ARCH_SET_FS, 0x555555aad380) = 0 set_tid_address(0x555555aad650) = 5069 set_robust_list(0x555555aad660, 24) = 0 rseq(0x555555aadca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2109305533", 4096) = 28 getrandom("\x04\xf4\x43\x07\x5b\x1c\x8d\x4e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555aadd00 brk(0x555555aced00) = 0x555555aced00 brk(0x555555acf000) = 0x555555acf000 mprotect(0x7f33b7e2c000, 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 openat(AT_FDCWD, "/dev/bus/usb/002/001", O_RDONLY) = 3 prctl(0x41 /* PR_??? */, 0x3, 0, 0, 0) = 0 [ 70.920185][ T5069] ------------[ cut here ]------------ [ 70.925843][ T5069] kernel BUG at mm/page_table_check.c:146! [ 70.932170][ T5069] invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 70.938618][ T5069] CPU: 0 PID: 5069 Comm: syz-executor210 Not tainted 6.8.0-rc4-syzkaller #0 [ 70.947291][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 70.957345][ T5069] RIP: 0010:__page_table_check_zero+0x2d8/0x4a0 [ 70.963606][ T5069] Code: ff cb e9 b5 fd ff ff e8 e6 36 92 ff 48 ff cb e9 27 fe ff ff e8 d9 36 92 ff 90 0f 0b e8 d1 36 92 ff 90 0f 0b e8 c9 36 92 ff 90 <0f> 0b f3 0f 1e fa 4c 89 f6 48 81 e6 ff 0f 00 00 31 ff e8 91 3b 92 [ 70.983211][ T5069] RSP: 0018:ffffc900039d7998 EFLAGS: 00010293 [ 70.989283][ T5069] RAX: ffffffff82013577 RBX: dffffc0000000000 RCX: ffff888024579dc0 [ 70.997267][ T5069] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888018c3c04c [ 71.005232][ T5069] RBP: ffff888018c3c04c R08: ffff888018c3c04f R09: 1ffff11003187809 [ 71.013233][ T5069] R10: dffffc0000000000 R11: ffffed100318780a R12: 0000000000000000 [ 71.021209][ T5069] R13: 1ffffffff289dac4 R14: 000000000000000a R15: ffff888018c3c000 [ 71.029182][ T5069] FS: 0000555555aad380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 71.038116][ T5069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.044708][ T5069] CR2: 00007fffb24d4020 CR3: 00000000227f0000 CR4: 00000000003506f0 [ 71.052689][ T5069] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.060662][ T5069] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.068634][ T5069] Call Trace: [ 71.071931][ T5069] [ 71.074862][ T5069] ? __die_body+0x8b/0xe0 [ 71.079210][ T5069] ? die+0xcf/0x110 [ 71.083036][ T5069] ? do_trap+0x157/0x390 [ 71.087289][ T5069] ? __page_table_check_zero+0x2d8/0x4a0 [ 71.092931][ T5069] ? do_error_trap+0x1dc/0x2c0 [ 71.097704][ T5069] ? __page_table_check_zero+0x2d8/0x4a0 [ 71.103345][ T5069] ? __pfx_do_error_trap+0x10/0x10 [ 71.108470][ T5069] ? handle_invalid_op+0x34/0x40 [ 71.113418][ T5069] ? __page_table_check_zero+0x2d8/0x4a0 [ 71.119059][ T5069] ? exc_invalid_op+0x38/0x50 [ 71.123759][ T5069] ? asm_exc_invalid_op+0x1a/0x20 [ 71.128796][ T5069] ? __page_table_check_zero+0x2d7/0x4a0 [ 71.134435][ T5069] ? __page_table_check_zero+0x2d8/0x4a0 [ 71.140074][ T5069] ? __page_table_check_zero+0x2d7/0x4a0 [ 71.145710][ T5069] __free_pages_ok+0xc56/0xd70 [ 71.150494][ T5069] dec_usb_memory_use_count+0x259/0x350 [ 71.156056][ T5069] ? __pfx_usbdev_vm_close+0x10/0x10 [ 71.161347][ T5069] mmap_region+0x134c/0x1fa0 [ 71.165943][ T5069] ? mark_lock+0x9a/0x350 [ 71.170286][ T5069] ? __pfx_mmap_region+0x10/0x10 [ 71.175403][ T5069] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10 [ 71.182186][ T5069] ? bpf_lsm_mmap_addr+0x9/0x10 [ 71.187043][ T5069] ? security_mmap_addr+0x77/0x90 [ 71.192081][ T5069] ? get_unmapped_area+0x30f/0x370 [ 71.197200][ T5069] do_mmap+0x7ae/0xe60 [ 71.201286][ T5069] vm_mmap_pgoff+0x1e2/0x420 [ 71.205890][ T5069] ? __pfx_vm_mmap_pgoff+0x10/0x10 [ 71.211012][ T5069] ? __fget_files+0x28/0x470 [ 71.215615][ T5069] ? __fget_files+0x28/0x470 [ 71.220229][ T5069] ksys_mmap_pgoff+0x503/0x6e0 [ 71.225006][ T5069] do_syscall_64+0xf9/0x240 [ 71.229524][ T5069] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 71.235428][ T5069] RIP: 0033:0x7f33b7db90e9 [ 71.239854][ T5069] 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 [ 71.259475][ T5069] RSP: 002b:00007fffb243a9c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 71.267901][ T5069] RAX: ffffffffffffffda RBX: 00007fffb243aba8 RCX: 00007f33b7db90e9 [ 71.275876][ T5069] RDX: 0000000002000007 RSI: 0000000000400000 RDI: 0000000020000000 [ 71.283852][ T5069] RBP: 00007f33b7e2c610 R08: 0000000000000003 R09: 0000000000000000 [ 71.291963][ T5069] R10: 0000000000000012 R11: 0000000000000246 R12: 0000000000000001 [ 71.299938][ T5069] R13: 00007fffb243ab98 R14: 0000000000000001 R15: 0000000000000001 [ 71.307925][ T5069] [ 71.310944][ T5069] Modules linked in: [ 71.315142][ T5069] ---[ end trace 0000000000000000 ]--- [ 71.320651][ T5069] RIP: 0010:__page_table_check_zero+0x2d8/0x4a0 [ 71.327019][ T5069] Code: ff cb e9 b5 fd ff ff e8 e6 36 92 ff 48 ff cb e9 27 fe ff ff e8 d9 36 92 ff 90 0f 0b e8 d1 36 92 ff 90 0f 0b e8 c9 36 92 ff 90 <0f> 0b f3 0f 1e fa 4c 89 f6 48 81 e6 ff 0f 00 00 31 ff e8 91 3b 92 [ 71.346848][ T5069] RSP: 0018:ffffc900039d7998 EFLAGS: 00010293 [ 71.352956][ T5069] RAX: ffffffff82013577 RBX: dffffc0000000000 RCX: ffff888024579dc0 [ 71.360972][ T5069] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888018c3c04c [ 71.369011][ T5069] RBP: ffff888018c3c04c R08: ffff888018c3c04f R09: 1ffff11003187809 [ 71.377021][ T5069] R10: dffffc0000000000 R11: ffffed100318780a R12: 0000000000000000 [ 71.385011][ T5069] R13: 1ffffffff289dac4 R14: 000000000000000a R15: ffff888018c3c000 [ 71.393029][ T5069] FS: 0000555555aad380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 71.401995][ T5069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.408614][ T5069] CR2: 0000000020000080 CR3: 00000000227f0000 CR4: 00000000003506f0 [ 71.416658][ T5069] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.424629][ T5069] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.432639][ T5069] Kernel panic - not syncing: Fatal exception [ 71.439014][ T5069] Kernel Offset: disabled [ 71.443348][ T5069] Rebooting in 86400 seconds..