syzbot

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kernel BUG at include/linux/swapops.h:195!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5060 Comm: syz-executor.4 Not tainted 5.4.265-syzkaller-00009-g43a5ead9254d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:migration_entry_to_page include/linux/swapops.h:195 [inline]
RIP: 0010:zap_pte_range mm/memory.c:1145 [inline]
RIP: 0010:zap_pmd_range mm/memory.c:1221 [inline]
RIP: 0010:zap_pud_range mm/memory.c:1250 [inline]
RIP: 0010:zap_p4d_range mm/memory.c:1271 [inline]
RIP: 0010:unmap_page_range+0x2606/0x2620 mm/memory.c:1292
Code: 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 84 24 a0 01 00 00 75 1d 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 3a 6a d9 ff <0f> 0b e8 33 6a d9 ff 0f 0b e8 fc 22 b0 ff 66 66 2e 0f 1f 84 00 00
RSP: 0018:ffff8881e28df5a0 EFLAGS: 00010293
RAX: ffffffff818adc86 RBX: 0000000000000000 RCX: ffff8881f36f3f00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8881e28df790 R08: ffffffff818ac922 R09: fffffb1df8697851
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: fffff8efc34bc280 R14: 1ffff1103c998e39 R15: ffff8881e5a1ea68
FS:  00007efdc0c246c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efdc1ff1f70 CR3: 00000001c5bc3000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 unmap_single_vma mm/memory.c:1337 [inline]
 unmap_vmas+0x355/0x4b0 mm/memory.c:1369
 exit_mmap+0x2bc/0x520 mm/mmap.c:3186
 __mmput+0x8e/0x2c0 kernel/fork.c:1101
 exit_mm kernel/exit.c:536 [inline]
 do_exit+0xc08/0x2bc0 kernel/exit.c:846
 do_group_exit+0x138/0x300 kernel/exit.c:982
 get_signal+0xdb1/0x1440 kernel/signal.c:2735
 do_signal+0xb0/0x11f0 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0xc0/0x1a0 arch/x86/entry/common.c:159
 prepare_exit_to_usermode+0x199/0x200 arch/x86/entry/common.c:194
 ret_from_intr+0x1c/0x1c
Modules linked in:
---[ end trace 627fbb762d1a77d5 ]---
RIP: 0010:migration_entry_to_page include/linux/swapops.h:195 [inline]
RIP: 0010:zap_pte_range mm/memory.c:1145 [inline]
RIP: 0010:zap_pmd_range mm/memory.c:1221 [inline]
RIP: 0010:zap_pud_range mm/memory.c:1250 [inline]
RIP: 0010:zap_p4d_range mm/memory.c:1271 [inline]
RIP: 0010:unmap_page_range+0x2606/0x2620 mm/memory.c:1292
Code: 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 84 24 a0 01 00 00 75 1d 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 3a 6a d9 ff <0f> 0b e8 33 6a d9 ff 0f 0b e8 fc 22 b0 ff 66 66 2e 0f 1f 84 00 00
RSP: 0018:ffff8881e28df5a0 EFLAGS: 00010293
RAX: ffffffff818adc86 RBX: 0000000000000000 RCX: ffff8881f36f3f00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8881e28df790 R08: ffffffff818ac922 R09: fffffb1df8697851
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: fffff8efc34bc280 R14: 1ffff1103c998e39 R15: ffff8881e5a1ea68
FS:  00007efdc0c246c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efdc1ff1f70 CR3: 00000001c5bc3000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600