ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
------------[ cut here ]------------
kernel BUG at mm/memory.c:2943!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 12095 Comm: syz-executor.2 Not tainted 6.5.0-syzkaller-08894-gb97d64c72259 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:do_page_mkwrite+0x2d6/0x380 mm/memory.c:2943
Code: 7c 24 18 00 74 5c e8 79 62 c0 ff 81 cd 00 02 00 00 e9 5f ff ff ff e8 69 62 c0 ff 48 c7 c6 e0 30 79 8a 4c 89 e7 e8 5a 5c fe ff <0f> 0b 4c 89 ef e8 00 0f 16 00 e9 55 fd ff ff 4c 89 ef e8 93 0f 16
RSP: 0018:ffffc90015f37cf8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888078768000 RSI: ffffffff81c6de36 RDI: 0000000000000000
RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff1d5a78a
R10: ffffffff8ead3c57 R11: 0000000000000000 R12: ffffea00007b2a40
R13: ffffc90015f37dc0 R14: 0000000000000a55 R15: 0000000000000000
FS:  00007faf348396c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30826000 CR3: 0000000019f22000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_shared_fault mm/memory.c:4646 [inline]
 do_fault mm/memory.c:4708 [inline]
 do_pte_missing mm/memory.c:3668 [inline]
 handle_pte_fault mm/memory.c:4977 [inline]
 __handle_mm_fault+0x2442/0x40b0 mm/memory.c:5118
 handle_mm_fault+0x47a/0xa00 mm/memory.c:5283
 do_user_addr_fault+0x3ad/0xfe0 arch/x86/mm/fault.c:1391
 handle_page_fault arch/x86/mm/fault.c:1483 [inline]
 exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1539
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7faf33a5dbad
Code: 4c 17 f0 c3 66 0f 1f 84 00 00 00 00 00 48 8b 4c 16 f8 48 8b 36 48 89 37 48 89 4c 17 f8 c3 c5 fe 6f 54 16 e0 c5 fe 6f 5c 16 c0 <c5> fe 7f 07 c5 fe 7f 4f 20 c5 fe 7f 54 17 e0 c5 fe 7f 5c 17 c0 e9
RSP: 002b:00007faf348390b8 EFLAGS: 00010283
RAX: 0000000020ffe020 RBX: 00007faf33b9bf80 RCX: 0000000000000048
RDX: 0000000000000048 RSI: 0000000020000500 RDI: 0000000020ffe020
RBP: 00007faf33ac847a R08: 0000000000000048 R09: 0000000000000000
R10: 0000000020ffe000 R11: 0000000020000500 R12: 0000000000000000
R13: 000000000000000b R14: 00007faf33b9bf80 R15: 00007faf33cbfa48
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:do_page_mkwrite+0x2d6/0x380 mm/memory.c:2943
Code: 7c 24 18 00 74 5c e8 79 62 c0 ff 81 cd 00 02 00 00 e9 5f ff ff ff e8 69 62 c0 ff 48 c7 c6 e0 30 79 8a 4c 89 e7 e8 5a 5c fe ff <0f> 0b 4c 89 ef e8 00 0f 16 00 e9 55 fd ff ff 4c 89 ef e8 93 0f 16
RSP: 0018:ffffc90015f37cf8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888078768000 RSI: ffffffff81c6de36 RDI: 0000000000000000
RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff1d5a78a
R10: ffffffff8ead3c57 R11: 0000000000000000 R12: ffffea00007b2a40
R13: ffffc90015f37dc0 R14: 0000000000000a55 R15: 0000000000000000
FS:  00007faf348396c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30b21000 CR3: 0000000019f22000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400