------------[ cut here ]------------ WARNING: CPU: 0 PID: 9026 at mm/memory.c:2223 __kunmap_atomic include/linux/highmem.h:102 [inline] WARNING: CPU: 0 PID: 9026 at mm/memory.c:2223 copy_user_highpage include/linux/highmem.h:258 [inline] WARNING: CPU: 0 PID: 9026 at mm/memory.c:2223 cow_user_page mm/memory.c:2174 [inline] WARNING: CPU: 0 PID: 9026 at mm/memory.c:2223 wp_page_copy+0xd66/0x10d0 mm/memory.c:2393 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 9026 Comm: syz-executor.4 Not tainted 5.4.0-rc3-syzkaller #0 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+0x113/0x167 lib/dump_stack.c:113 panic+0x22a/0x4e3 kernel/panic.c:221 __warn.cold.11+0x25/0x30 kernel/panic.c:582 report_bug+0x1b0/0x270 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:179 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:291 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1028 RIP: 0010:cow_user_page mm/memory.c:2223 [inline] RIP: 0010:wp_page_copy+0xd66/0x10d0 mm/memory.c:2393 Code: d5 f5 ff ff 3c 03 0f 8f cd f5 ff ff e8 b3 f9 0d 00 e9 c3 f5 ff ff e8 49 32 72 ff e9 da f5 ff ff e8 3f 32 72 ff e9 7e f5 ff ff <0f> 0b 4c 89 ef e8 10 6a 8e 05 eb a1 80 3c 02 00 0f 85 1c 03 00 00 RSP: 0018:ffff88807e1e7690 EFLAGS: 00010206 RAX: 0000000000001000 RBX: ffff88807e1e7918 RCX: 0000000000001000 RDX: 0000000000001000 RSI: 0000000020001000 RDI: ffff8880905d4000 RBP: ffff88807e1e77c0 R08: ffffed10120baa00 R09: 0000000000000000 R10: ffffed10120ba9ff R11: ffff8880905d4fff R12: ffff88809ff3c420 R13: ffff8880905d4000 R14: ffffea0002417500 R15: 0000000000000000 do_wp_page+0x1be/0x1240 mm/memory.c:2702 handle_pte_fault mm/memory.c:3939 [inline] __handle_mm_fault+0x1abc/0x33f0 mm/memory.c:4047 handle_mm_fault+0x2e7/0x810 mm/memory.c:4084 do_user_addr_fault arch/x86/mm/fault.c:1441 [inline] __do_page_fault+0x36e/0xa50 arch/x86/mm/fault.c:1506 do_page_fault+0x2d/0x3c2 arch/x86/mm/fault.c:1530 page_fault+0x39/0x40 arch/x86/entry/entry_64.S:1202 RIP: 0010:copy_user_generic_unrolled+0x89/0xc0 arch/x86/lib/copy_user_64.S:91 Code: 38 4c 89 47 20 4c 89 4f 28 4c 89 57 30 4c 89 5f 38 48 8d 76 40 48 8d 7f 40 ff c9 75 b6 89 d1 83 e2 07 c1 e9 03 74 12 4c 8b 06 <4c> 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a RSP: 0018:ffff88807e1e7b90 EFLAGS: 00010206 RAX: 0000000000000001 RBX: 0000000000000018 RCX: 0000000000000003 RDX: 0000000000000000 RSI: ffff88807e1e7c38 RDI: 0000000020001300 RBP: ffff88807e1e7bb8 R08: 0000000000000000 R09: ffffed100fc3cf8a R10: ffffed100fc3cf89 R11: ffff88807e1e7c4f R12: 0000000020001300 R13: ffff88807e1e7c38 R14: ffff88807e052300 R15: ffff8880a0dd2000 copy_to_user include/linux/uaccess.h:152 [inline] xsk_getsockopt+0x293/0x5e0 net/xdp/xsk.c:857 __sys_getsockopt+0x13c/0x2e0 net/socket.c:2129 __do_sys_getsockopt net/socket.c:2144 [inline] __se_sys_getsockopt net/socket.c:2141 [inline] __x64_sys_getsockopt+0xb9/0x150 net/socket.c:2141 do_syscall_64+0xca/0x5d0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a909 Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fbf87bdac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a909 RDX: 0000000000000007 RSI: 000000000000011b RDI: 000000000000000a RBP: 000000000075bf20 R08: 0000000020000100 R09: 0000000000000000 R10: 0000000020001300 R11: 0000000000000246 R12: 00007fbf87bdb6d4 R13: 00000000004c1ab5 R14: 00000000004d5f60 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..