./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3536692475 <...> Warning: Permanently added '10.128.1.74' (ED25519) to the list of known hosts. execve("./syz-executor3536692475", ["./syz-executor3536692475"], 0x7ffd46975300 /* 10 vars */) = 0 brk(NULL) = 0x5555569a9000 brk(0x5555569a9d00) = 0x5555569a9d00 arch_prctl(ARCH_SET_FS, 0x5555569a9380) = 0 set_tid_address(0x5555569a9650) = 5053 set_robust_list(0x5555569a9660, 24) = 0 rseq(0x5555569a9ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3536692475", 4096) = 28 getrandom("\xd7\x99\xa3\x78\xf3\x73\x81\xec", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555569a9d00 brk(0x5555569cad00) = 0x5555569cad00 brk(0x5555569cb000) = 0x5555569cb000 mprotect(0x7f710acbd000, 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/ptp0", O_RDONLY) = 3 read(3, 0x20000080, 90) = -1 EINVAL (Invalid argument) [ 53.575881][ T5053] general protection fault, probably for non-canonical address 0xdffffc000000020b: 0000 [#1] PREEMPT SMP KASAN [ 53.587607][ T5053] KASAN: probably user-memory-access in range [0x0000000000001058-0x000000000000105f] [ 53.597143][ T5053] CPU: 0 PID: 5053 Comm: syz-executor353 Not tainted 6.6.0-syzkaller-10396-g4652b8e4f3ff #0 [ 53.607200][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 53.617244][ T5053] RIP: 0010:ptp_ioctl+0xcb7/0x1d10 [ 53.622376][ T5053] Code: 81 fe 13 3d 00 00 0f 85 9c 02 00 00 e8 c2 83 23 fa 49 8d bc 24 58 10 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 dc 0e 00 00 49 8b bc 24 58 10 00 00 ba 00 01 00 [ 53.641984][ T5053] RSP: 0018:ffffc90003a37ba0 EFLAGS: 00010212 [ 53.648044][ T5053] RAX: dffffc0000000000 RBX: ffff88814a78a000 RCX: ffffffff8764f81f [ 53.656034][ T5053] RDX: 000000000000020b RSI: ffffffff8765028e RDI: 0000000000001058 [ 53.663996][ T5053] RBP: ffffc90003a37ec0 R08: 0000000000000005 R09: ffffc90003a37c40 [ 53.671958][ T5053] R10: 0000000000003d13 R11: 0000000000000000 R12: 0000000000000000 [ 53.679917][ T5053] R13: ffffc90003a37c80 R14: 0000000000003d13 R15: ffffffff92ac78e8 [ 53.687882][ T5053] FS: 00005555569a9380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 53.696800][ T5053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.703376][ T5053] CR2: 0000000020000040 CR3: 0000000076e09000 CR4: 0000000000350ef0 [ 53.711339][ T5053] Call Trace: [ 53.714607][ T5053] [ 53.717522][ T5053] ? show_regs+0x8f/0xa0 [ 53.721762][ T5053] ? die_addr+0x4f/0xd0 [ 53.725912][ T5053] ? exc_general_protection+0x154/0x230 [ 53.731453][ T5053] ? asm_exc_general_protection+0x26/0x30 [ 53.737276][ T5053] ? ptp_ioctl+0x22f/0x1d10 [ 53.741768][ T5053] ? ptp_ioctl+0xc9e/0x1d10 [ 53.746261][ T5053] ? ptp_ioctl+0xcb7/0x1d10 [ 53.750756][ T5053] ? ptp_release+0x2b0/0x2b0 [ 53.755426][ T5053] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 53.761408][ T5053] ? lock_sync+0x190/0x190 [ 53.765819][ T5053] ? find_held_lock+0x2d/0x110 [ 53.770578][ T5053] ? ptp_release+0x2b0/0x2b0 [ 53.775158][ T5053] posix_clock_ioctl+0xf8/0x160 [ 53.780006][ T5053] ? posix_clock_poll+0x150/0x150 [ 53.785020][ T5053] __x64_sys_ioctl+0x18f/0x210 [ 53.789782][ T5053] do_syscall_64+0x3f/0x110 [ 53.794307][ T5053] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 53.800225][ T5053] RIP: 0033:0x7f710ac4a2a9 [ 53.804628][ T5053] 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 [ 53.824230][ T5053] RSP: 002b:00007ffda288c4c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.832635][ T5053] RAX: ffffffffffffffda RBX: 00007ffda288c698 RCX: 00007f710ac4a2a9 [ 53.840598][ T5053] RDX: 0000000000000000 RSI: 0000000000003d13 RDI: 0000000000000003 [ 53.848566][ T5053] RBP: 00007f710acbd610 R08: 00007ffda288c698 R09: 00007ffda288c698 [ 53.856526][ T5053] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 53.864485][ T5053] R13: 00007ffda288c688 R14: 0000000000000001 R15: 0000000000000001 [ 53.872459][ T5053] [ 53.875466][ T5053] Modules linked in: [ 53.879605][ T5053] ---[ end trace 0000000000000000 ]--- [ 53.885073][ T5053] RIP: 0010:ptp_ioctl+0xcb7/0x1d10 [ 53.890513][ T5053] Code: 81 fe 13 3d 00 00 0f 85 9c 02 00 00 e8 c2 83 23 fa 49 8d bc 24 58 10 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 dc 0e 00 00 49 8b bc 24 58 10 00 00 ba 00 01 00 [ 53.910165][ T5053] RSP: 0018:ffffc90003a37ba0 EFLAGS: 00010212 [ 53.916243][ T5053] RAX: dffffc0000000000 RBX: ffff88814a78a000 RCX: ffffffff8764f81f [ 53.924235][ T5053] RDX: 000000000000020b RSI: ffffffff8765028e RDI: 0000000000001058 [ 53.932286][ T5053] RBP: ffffc90003a37ec0 R08: 0000000000000005 R09: ffffc90003a37c40 [ 53.940284][ T5053] R10: 0000000000003d13 R11: 0000000000000000 R12: 0000000000000000 [ 53.948297][ T5053] R13: ffffc90003a37c80 R14: 0000000000003d13 R15: ffffffff92ac78e8 [ 53.956276][ T5053] FS: 00005555569a9380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 53.965238][ T5053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.971842][ T5053] CR2: 00000000005fdeb8 CR3: 0000000076e09000 CR4: 0000000000350ef0 [ 53.979864][ T5053] Kernel panic - not syncing: Fatal exception [ 53.986227][ T5053] Kernel Offset: disabled [ 53.990537][ T5053] Rebooting in 86400 seconds..