XFS (loop4): sunit and swidth must be specified together XFS (loop4): sunit and swidth must be specified together WARNING: CPU: 0 PID: 25691 at mm/mempolicy.c:1745 policy_node mm/mempolicy.c:1745 [inline] WARNING: CPU: 0 PID: 25691 at mm/mempolicy.c:1745 alloc_pages_vma+0x1bd/0x4a0 mm/mempolicy.c:2043 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 25691 Comm: syz-executor1 Not tainted 4.20.0-rc5+ #366 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+0x244/0x39d lib/dump_stack.c:113 panic+0x2ad/0x55c kernel/panic.c:188 __warn.cold.8+0x20/0x45 kernel/panic.c:540 report_bug+0x254/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:290 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:969 RIP: 0010:policy_node mm/mempolicy.c:1745 [inline] RIP: 0010:alloc_pages_vma+0x1bd/0x4a0 mm/mempolicy.c:2043 Code: 5f 5d c3 e8 15 2f bf ff 45 89 ec 31 ff 41 81 e4 00 00 04 00 44 89 e6 e8 11 30 bf ff 45 85 e4 0f 84 50 ff ff ff e8 f3 2e bf ff <0f> 0b e9 44 ff ff ff e8 e7 2e bf ff e8 22 5e ff ff 48 89 c3 e9 6b RSP: 0018:ffff8881b687e778 EFLAGS: 00010216 RAX: 0000000000040000 RBX: ffff8881804fb528 RCX: ffffc90007e02000 RDX: 0000000000027af4 RSI: ffffffff81c06ccd RDI: 0000000000000005 RBP: ffff8881b687e7b8 R08: ffff8881819780c0 R09: ffffed103b5c5b5f R10: 0000000000000002 R11: ffff8881dae2dafb R12: 0000000000040000 R13: 00000000000742ca R14: ffff8881804fb530 R15: 0000000000000002 do_huge_pmd_wp_page+0x1373/0x5fc0 mm/huge_memory.c:1299 wp_huge_pmd mm/memory.c:3666 [inline] __handle_mm_fault+0x2ddc/0x5be0 mm/memory.c:3879 handle_mm_fault+0x54f/0xc70 mm/memory.c:3926 do_user_addr_fault arch/x86/mm/fault.c:1423 [inline] __do_page_fault+0x5e8/0xe60 arch/x86/mm/fault.c:1489 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1520 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1139 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:ffff8881b687f948 EFLAGS: 00010206 RAX: 0000000000000000 RBX: 0000000000001000 RCX: 00000000000000c0 RDX: 0000000000001000 RSI: ffff888142e21f40 RDI: 0000000020200000 RBP: ffff8881b687f980 R08: 0000000000000000 R09: 0000000000000040 R10: ffffed10285c43ff R11: ffff888142e21fff R12: 00000000202000c0 R13: 00000000201ff0c0 R14: ffff888142e21000 R15: 00007ffffffff000 copy_to_user include/linux/uaccess.h:155 [inline] mem_rw.isra.16+0x450/0x640 fs/proc/base.c:834 mem_read+0x52/0x70 fs/proc/base.c:855 do_loop_readv_writev fs/read_write.c:700 [inline] do_iter_read+0x4a3/0x650 fs/read_write.c:924 vfs_readv+0x175/0x1c0 fs/read_write.c:986 do_preadv+0x1cc/0x280 fs/read_write.c:1070 __do_sys_preadv fs/read_write.c:1120 [inline] __se_sys_preadv fs/read_write.c:1115 [inline] __x64_sys_preadv+0x9a/0xf0 fs/read_write.c:1115 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457569 Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f4094401c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457569 RDX: 0000000000000001 RSI: 0000000020000180 RDI: 0000000000000008 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 000000002000107c R11: 0000000000000246 R12: 00007f40944026d4 R13: 00000000004c37da R14: 00000000004d59d8 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..