------------[ cut here ]------------ WARNING: CPU: 0 PID: 9183 at mm/memory.c:2317 __kunmap_atomic include/linux/highmem.h:102 [inline] WARNING: CPU: 0 PID: 9183 at mm/memory.c:2317 copy_user_highpage include/linux/highmem.h:258 [inline] WARNING: CPU: 0 PID: 9183 at mm/memory.c:2317 cow_user_page mm/memory.c:2268 [inline] WARNING: CPU: 0 PID: 9183 at mm/memory.c:2317 wp_page_copy+0xd66/0x10d0 mm/memory.c:2502 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 9183 Comm: syz-executor.3 Not tainted 5.6.0-rc2-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+0x12d/0x187 lib/dump_stack.c:118 panic+0x22a/0x4e3 kernel/panic.c:221 __warn.cold.10+0x25/0x2a kernel/panic.c:582 report_bug+0x1b0/0x270 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:267 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:cow_user_page mm/memory.c:2317 [inline] RIP: 0010:wp_page_copy+0xd66/0x10d0 mm/memory.c:2502 Code: d5 f5 ff ff 3c 03 0f 8f cd f5 ff ff e8 83 3d 0e 00 e9 c3 f5 ff ff e8 b4 73 6e ff e9 da f5 ff ff e8 aa 73 6e ff e9 7e f5 ff ff <0f> 0b 4c 89 ef e8 10 75 a5 05 eb a1 80 3c 02 00 0f 85 1c 03 00 00 RSP: 0018:ffffc900040b76b8 EFLAGS: 00010206 RAX: 0000000000001000 RBX: ffffc900040b7958 RCX: 0000000000001000 RDX: 0000000000001000 RSI: 0000000020001000 RDI: ffff88808ca66000 RBP: ffffc900040b77e8 R08: ffffed101194ce00 R09: 0000000000000000 R10: ffffed101194cdff R11: ffff88808ca66fff R12: ffff8880822de840 R13: ffff88808ca66000 R14: ffffea0002329980 R15: 0000000000000000 do_wp_page+0x1be/0x11c0 mm/memory.c:2812 handle_pte_fault mm/memory.c:4049 [inline] __handle_mm_fault+0x92b/0x2cf0 mm/memory.c:4163 handle_mm_fault+0x2e2/0x7d0 mm/memory.c:4200 do_user_addr_fault arch/x86/mm/fault.c:1442 [inline] do_page_fault+0x373/0xd91 arch/x86/mm/fault.c:1517 page_fault+0x39/0x40 arch/x86/entry/entry_64.S:1203 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:ffffc900040b7b90 EFLAGS: 00010206 RAX: 0000000000000001 RBX: 0000000000000018 RCX: 0000000000000003 RDX: 0000000000000000 RSI: ffffc900040b7c38 RDI: 0000000020001300 RBP: ffffc900040b7bb8 R08: 0000000000000000 R09: fffff52000816f8a R10: fffff52000816f89 R11: ffffc900040b7c4f R12: 0000000020001300 R13: ffffc900040b7c38 R14: ffff8880a6416500 R15: ffff88807f1ba000 copy_to_user include/linux/uaccess.h:152 [inline] xsk_getsockopt+0x293/0x5e0 net/xdp/xsk.c:913 __sys_getsockopt+0x13c/0x2e0 net/socket.c:2175 __do_sys_getsockopt net/socket.c:2190 [inline] __se_sys_getsockopt net/socket.c:2187 [inline] __x64_sys_getsockopt+0xb9/0x150 net/socket.c:2187 do_syscall_64+0xca/0x5f0 arch/x86/entry/common.c:294 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:00007f42cf7f3c78 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: 00007f42cf7f46d4 R13: 00000000004c1ab5 R14: 00000000004d5f60 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..