RDX: 00007f36ef37c200 RSI: 00007f36ef37c330 RDI: 0000000000000007 RBP: 000000000072bea0 R08: 00000000000003ff R09: 0000000000000000 R10: 0000000020000200 R11: 0000000000000000 R12: 00000000ffffffff R13: 00000000004c299a R14: 00000000004d4300 R15: 0000000000000000 Kernel panic - not syncing: Machine halted. CPU: 0 PID: 10804 Comm: syz-executor3 Not tainted 4.18.0-rc4+ #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <#DF> __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x185/0x1e0 lib/dump_stack.c:113 panic+0x3d0/0x9b0 kernel/panic.c:184 df_debug+0xa6/0xb0 arch/x86/kernel/doublefault.c:81 do_double_fault+0x30f/0x420 arch/x86/kernel/traps.c:446 double_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1001 RIP: 0010:get_cea_shadow_or_null mm/kmsan/kmsan.c:785 [inline] RIP: 0010:kmsan_get_shadow_address+0x1b1/0x3d0 mm/kmsan/kmsan.c:1120 Code: ff 48 01 cb e9 11 02 00 00 65 44 8b 3c 25 20 a1 02 00 48 b8 00 00 00 00 00 02 00 00 4c 01 e8 48 3d ff 0f ec 00 77 35 44 89 ff aa 84 59 ff 4c 89 e9 48 29 c1 85 c9 78 23 48 63 c1 48 3d ff af RSP: 0000:fffffe0000002000 EFLAGS: 00010093 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 RAX: 00000000000021d8 RBX: 0000000000000028 RCX: 000000000000002e RDX: 0000780000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: fffffe0000002030 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: fffffe00000021d8 R14: 0000000000000001 R15: 0000000000000000 kmsan_memcpy_shadow mm/kmsan/kmsan.c:285 [inline] kmsan_memmove_shadow+0x63/0xa0 mm/kmsan/kmsan.c:474 __msan_memmove+0xb7/0x150 mm/kmsan/kmsan_instr.c:376 fixup_bad_iret+0x71/0x110 arch/x86/kernel/traps.c:666 error_entry+0xe8/0x100 arch/x86/entry/entry_64.S:1319 RIP: 0010:native_irq_return_iret+0x0/0x2 Code: 22 41 5f 41 5e 41 5d 41 5c 5d 5b 41 5b 41 5a 41 59 41 58 58 59 5a 5e 5f 48 83 c4 08 eb 05 0f 1f 44 00 00 f6 44 24 20 04 75 02 <48> cf 57 0f 01 f8 66 90 0f 20 df 0f 1f 44 00 00 48 81 e7 ff e7 ff RSP: 0000:fffffe00000021d8 EFLAGS: 00010046 ORIG_RAX: 0000000000000000 RAX: 0000000000000000 RBX: 00007f36ef37d6d4 RCX: 0000000000000000 RDX: 00007f36ef37c200 RSI: 00007f36ef37c330 RDI: 0000000000000007 RBP: 000000000072bea0 R08: 00000000000003ff R09: 0000000000000000 R10: 0000000020000200 R11: 0000000000000000 R12: 00000000ffffffff R13: 00000000004c299a R14: 00000000004d4300 R15: 0000000000000000 CPU: 1 PID: 10805 Comm: syz-executor1 Not tainted 4.18.0-rc4+ #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x185/0x1e0 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8a7/0xae0 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3066 [inline] prepare_alloc_pages mm/page_alloc.c:4334 [inline] __alloc_pages_nodemask+0x622/0x6320 mm/page_alloc.c:4372 alloc_pages_current+0x6b1/0x970 mm/mempolicy.c:2093 alloc_pages include/linux/gfp.h:494 [inline] pte_alloc_one+0x5f/0x1b0 arch/x86/mm/pgtable.c:35 __do_huge_pmd_anonymous_page mm/huge_memory.c:561 [inline] do_huge_pmd_anonymous_page+0xf79/0x2870 mm/huge_memory.c:725 create_huge_pmd mm/memory.c:3865 [inline] __handle_mm_fault mm/memory.c:4069 [inline] handle_mm_fault+0x47a4/0x85e0 mm/memory.c:4135 __do_page_fault+0xa76/0x1810 arch/x86/mm/fault.c:1397 do_page_fault+0x98/0xd0 arch/x86/mm/fault.c:1474 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1169 RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 arch/x86/lib/copy_user_64.S:180 Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 RSP: 0018:ffff8801187ffab8 EFLAGS: 00010206 RAX: ffffffff8413237b RBX: 0000000020e3e100 RCX: 0000000000000100 RDX: 0000000000000100 RSI: ffff88013edd1000 RDI: 0000000020e3e000 RBP: ffff8801187ffb20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff82020900 R12: 0000000000000000 R13: ffff8801187ffac0 R14: 0000000000000100 R15: ffff88012bb44400 copy_to_user include/linux/uaccess.h:183 [inline] pagemap_read+0x95c/0xe20 fs/proc/task_mmu.c:1520 __vfs_read+0x1f0/0xb40 fs/read_write.c:416 vfs_read+0x36c/0x6b0 fs/read_write.c:452 ksys_pread64 fs/read_write.c:626 [inline] __do_sys_pread64 fs/read_write.c:636 [inline] __se_sys_pread64 fs/read_write.c:633 [inline] __x64_sys_pread64+0x2ff/0x3b0 fs/read_write.c:633 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x455e29 Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fbf6aaabc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000011 RAX: ffffffffffffffda RBX: 00007fbf6aaac6d4 RCX: 0000000000455e29 RDX: 000000000000ffd8 RSI: 0000000020e3e000 RDI: 0000000000000013 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000103f00 R11: 0000000000000246 R12: 0000000000000014 R13: 00000000004c0ccd R14: 00000000004d0ce8 R15: 0000000000000004 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..