RIP: 0010:copy_user_generic_unrolled+0x89/0xc0 arch/x86/lib/copy_user_64.S:67 RSP: 0018:ffff88809cc6fdf0 EFLAGS: 00050202 RAX: ffffed101398dfcb RBX: 0000000000000010 RCX: 0000000000000002 RDX: 0000000000000000 RSI: ffff88809cc6fe48 RDI: 0000000020000000 RBP: ffff88809cc6fe48 R08: 0000000000000000 R09: ffffed101398dfca general protection fault: 0000 [#1] PREEMPT SMP KASAN R10: ffff88809cc6fe57 R11: ffff88809310c200 R12: 0000000020000000 Modules linked in: R13: 00007ffffffff000 R14: 0000000020000010 R15: 0000000000000000 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_to_user arch/x86/include/asm/uaccess_64.h:112 [inline] _copy_to_user+0xaa/0xd0 lib/usercopy.c:28 CPU: 1 PID: 7065 Comm: syz-executor.3 Not tainted 4.14.275-syzkaller #0 copy_to_user include/linux/uaccess.h:155 [inline] put_timespec64+0x9e/0xf0 kernel/time/time.c:920 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88807ccda500 task.stack: ffff8880a3718000 RIP: 0010:dev_put include/linux/netdevice.h:3381 [inline] RIP: 0010:llc_ui_bind+0x5ba/0xa40 net/llc/af_llc.c:427 SYSC_clock_getres kernel/time/posix-timers.c:1116 [inline] SyS_clock_getres+0x103/0x180 kernel/time/posix-timers.c:1104 RSP: 0018:ffff8880a371fd40 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90007225000 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 RDX: 00000000000000a8 RSI: ffffffff85d0b322 RDI: 0000000000000540 entry_SYSCALL_64_after_hwframe+0x46/0xbb RBP: ffff8880a371fe30 R08: 0000000000000001 R09: 0000000000000000 RIP: 0033:0x7f6efe57e0e9 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880aaa0e240 R13: 1ffff110146e3fab R14: ffff8880a371fe32 R15: 00000000ffffff9f RSP: 002b:00007f6efcef3168 EFLAGS: 00000246 FS: 00007f5f3aef4700(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 ORIG_RAX: 00000000000000e5 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RAX: ffffffffffffffda RBX: 00007f6efe690f60 RCX: 00007f6efe57e0e9 CR2: 00000000200001c0 CR3: 00000000ab1ae000 CR4: 00000000003406e0 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000000 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 RBP: 00007f6efcef31d0 R08: 0000000000000000 R09: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 Call Trace: R13: 00007ffde401869f R14: 00007f6efcef3300 R15: 0000000000022000 SYSC_bind net/socket.c:1489 [inline] SyS_bind+0x174/0x1f0 net/socket.c:1475 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f5f3c57f0e9 RSP: 002b:00007f5f3aef4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 00007f5f3c691f60 RCX: 00007f5f3c57f0e9 RDX: 0000000000000010 RSI: 00000000200001c0 RDI: 0000000000000004 RBP: 00007f5f3c5d908d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd3b36b6ef R14: 00007f5f3aef4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 Code: 4e 04 0f 88 8f 29 51 01 0f 84 b3 01 00 00 e8 1e 8f 84 fb 48 8d bb 40 05 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 0a 04 00 00 4c 89 e7 48 8b 83 40 05 00 00 65 CPU: 0 PID: 7073 Comm: syz-executor.1 Not tainted 4.14.275-syzkaller #0 RIP: dev_put include/linux/netdevice.h:3381 [inline] RSP: ffff8880a371fd40 RIP: llc_ui_bind+0x5ba/0xa40 net/llc/af_llc.c:427 RSP: ffff8880a371fd40 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 ---[ end trace 0e964d638361a456 ]--- slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550 anon_vma_alloc mm/rmap.c:82 [inline] __anon_vma_prepare+0x2bc/0x4f0 mm/rmap.c:190 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 0f 88 8f 29 51 01 js 0x1512995 6: 0f 84 b3 01 00 00 je 0x1bf c: e8 1e 8f 84 fb callq 0xfb848f2f 11: 48 8d bb 40 05 00 00 lea 0x540(%rbx),%rdi 18: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1f: fc ff df 22: 48 89 fa mov %rdi,%rdx 25: 48 c1 ea 03 shr $0x3,%rdx * 29: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2d: 0f 85 0a 04 00 00 jne 0x43d 33: 4c 89 e7 mov %r12,%rdi 36: 48 8b 83 40 05 00 00 mov 0x540(%rbx),%rax 3d: 65 gs