 get_signal+0x4e4/0x26d0
 arch_do_signal_or_restart+0x1e7/0x1c00
 exit_to_user_mode_prepare+0x161/0x290
 syscall_exit_to_user_mode+0x19/0x60
------------[ cut here ]------------
kernel BUG at include/linux/page-flags.h:796!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 303 Comm: syz-executor.3 Not tainted 5.17.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__page_mapcount+0x2d2/0x350
Code: e8 b3 6c d0 ff 48 c7 c6 80 54 b6 89 48 89 df e8 a4 4f 04 00 0f 0b e8 9d 6c d0 ff 48 c7 c6 20 55 b6 89 48 89 df e8 8e 4f 04 00 <0f> 0b e8 87 6c d0 ff 48 c7 c6 60 55 b6 89 48 89 ef e8 78 4f 04 00
RSP: 0018:ffffc900062f77a0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffea0000f34440 RCX: 0000000000000000
RDX: ffff88801ad30000 RSI: ffffffff81a8f612 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
R10: ffffffff890ee23b R11: 00000000ffffffff R12: 00000000ffffffff
R13: 00000000ffffea00 R14: ffffc900062f7b28 R15: dffffc0000000000
FS:  00007f7915fc06c0(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c9fa017f80 CR3: 000000007ccf0000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 smaps_account+0x453/0xaf0
 smaps_pte_range+0xbbb/0x1340
 __walk_page_range+0x1078/0x1e90
 walk_page_vma+0x277/0x350
 smap_gather_stats.part.0+0x1a5/0x260
 show_smap+0xc8/0x440
 seq_read_iter+0xaec/0x1200
 seq_read+0x426/0x5a0
 vfs_read+0x19f/0x5f0
 ksys_read+0x131/0x250
 do_syscall_64+0x34/0xb0
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x55ffe3aedf69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7915fc00c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000055ffe3c1c120 RCX: 000055ffe3aedf69
RDX: 0000000000002025 RSI: 0000000020000100 RDI: 0000000000000003
RBP: 000055ffe3b3a4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 000055ffe3c1c120 R15: 00007ffe2c563e18
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__page_mapcount+0x2d2/0x350
Code: e8 b3 6c d0 ff 48 c7 c6 80 54 b6 89 48 89 df e8 a4 4f 04 00 0f 0b e8 9d 6c d0 ff 48 c7 c6 20 55 b6 89 48 89 df e8 8e 4f 04 00 <0f> 0b e8 87 6c d0 ff 48 c7 c6 60 55 b6 89 48 89 ef e8 78 4f 04 00
RSP: 0018:ffffc900062f77a0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffea0000f34440 RCX: 0000000000000000
RDX: ffff88801ad30000 RSI: ffffffff81a8f612 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
R10: ffffffff890ee23b R11: 00000000ffffffff R12: 00000000ffffffff
R13: 00000000ffffea00 R14: ffffc900062f7b28 R15: dffffc0000000000
FS:  00007f7915fc06c0(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c9fa017f80 CR3: 000000007ccf0000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
