prot 8000000000000025 anon_vma ffff8880796e4220 vm_ops 0000000000000000
pgoff 20000 file 0000000000000000 private_data 0000000000000000
flags: 0x8102172(write|mayread|maywrite|mayexec|growsdown|locked|account|softdirty)
------------[ cut here ]------------
kernel BUG at mm/mmap.c:1155!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 23049 Comm: syz-executor424 Not tainted 6.2.0-syzkaller-05251-g5b7c4cabbb65 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:find_mergeable_anon_vma+0x6f0/0x840 mm/mmap.c:1155
Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 6b 48 3b 6b 50 0f 85 08 fb ff ff e9 06 fb ff ff e8 c8 9c bf ff 48 89 ef e8 c0 70 fa ff <0f> 0b 4c 89 f7 e8 b6 3a 11 00 e9 d2 f9 ff ff e8 ac 3a 11 00 e9 a0
RSP: 0018:ffffc9000387f900 EFLAGS: 00010282
RAX: 0000000000000130 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8168ec8c RDI: 0000000000000005
RBP: ffff8880282e32a0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000000 R12: ffffc9000387f928
R13: 1ffff9200070ff21 R14: ffff8880282e32a8 R15: fff0000000000fff
FS:  00007f92e68ab700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f92e694eb38 CR3: 000000001e62b000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __anon_vma_prepare+0x7d/0x580 mm/rmap.c:199
 anon_vma_prepare include/linux/rmap.h:159 [inline]
 do_anonymous_page mm/memory.c:4075 [inline]
 handle_pte_fault mm/memory.c:4932 [inline]
 __handle_mm_fault+0x392f/0x3c90 mm/memory.c:5076
 handle_mm_fault+0x21e/0x910 mm/memory.c:5222
 faultin_page mm/gup.c:926 [inline]
 __get_user_pages+0x4f8/0xfc0 mm/gup.c:1153
 populate_vma_page_range+0x241/0x320 mm/gup.c:1526
 __mm_populate+0x105/0x3b0 mm/gup.c:1640
 mm_populate include/linux/mm.h:2903 [inline]
 vm_mmap_pgoff+0x201/0x280 mm/util.c:525
 ksys_mmap_pgoff+0x7d/0x5a0 mm/mmap.c:1457
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f92e68f9959
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f92e68ab2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f92e68f9959
RDX: 0000000000000002 RSI: 0000000000001000 RDI: 0000000020002000
RBP: 00007f92e69813e8 R08: 00000000ffffffff R09: 0000000000000000
R10: 840000000000a132 R11: 0000000000000246 R12: 840000000000a132
R13: 00007f92e69813e0 R14: 00007f92e69813ec R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:find_mergeable_anon_vma+0x6f0/0x840 mm/mmap.c:1155
Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 6b 48 3b 6b 50 0f 85 08 fb ff ff e9 06 fb ff ff e8 c8 9c bf ff 48 89 ef e8 c0 70 fa ff <0f> 0b 4c 89 f7 e8 b6 3a 11 00 e9 d2 f9 ff ff e8 ac 3a 11 00 e9 a0
RSP: 0018:ffffc9000387f900 EFLAGS: 00010282
RAX: 0000000000000130 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8168ec8c RDI: 0000000000000005
RBP: ffff8880282e32a0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000000 R12: ffffc9000387f928
R13: 1ffff9200070ff21 R14: ffff8880282e32a8 R15: fff0000000000fff
FS:  00007f92e68ab700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555f875e8 CR3: 000000001e62b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400