handle_softirqs+0x226/0x860 kernel/softirq.c:645
 __do_softirq kernel/softirq.c:679 [inline]
 invoke_softirq kernel/softirq.c:519 [inline]
 __irq_exit_rcu+0xcb/0x220 kernel/softirq.c:758
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
------------[ cut here ]------------
kernel BUG at mm/filemap.c:859!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 7508 Comm: syz.0.582 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:__filemap_add_folio+0x128c/0x1400 mm/filemap.c:858
Code: ff 4c 89 f7 48 c7 c6 20 0f 19 8c e8 fe 5e 1f ff 90 0f 0b e8 d6 3e bf ff 48 8b 7c 24 20 48 c7 c6 e0 03 19 8c e8 e5 5e 1f ff 90 <0f> 0b e8 bd 3e bf ff 4c 89 f7 48 c7 c6 20 0f 19 8c e8 ce 5e 1f ff
RSP: 0018:ffffc9000349f5a0 EFLAGS: 00010246
RAX: c036f210ac1a5b00 RBX: 0000000000000000 RCX: ffffffff9ac59501
RDX: 0000000000000001 RSI: ffffffff8e59e74c RDI: 00000000ffffffff
RBP: ffffc9000349f738 R08: ffffffff909bb37f R09: 1ffffffff213766f
R10: dffffc0000000000 R11: fffffbfff2137670 R12: dffffc0000000000
R13: ffff888023cb4dc0 R14: 0000000000000002 R15: ffff888023cb4ed8
FS:  000055557f58c500(0000) GS:ffff88812495b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000001c0 CR3: 000000005af8e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 filemap_add_folio+0x251/0x4e0 mm/filemap.c:972
 ra_alloc_folio mm/readahead.c:470 [inline]
 page_cache_ra_order+0x6d1/0xee0 mm/readahead.c:535
 do_sync_mmap_readahead+0x75e/0x990 mm/filemap.c:3443
 filemap_fault+0x7d9/0x13b0 mm/filemap.c:3597
 __do_fault+0x138/0x2a0 mm/memory.c:5534
 do_shared_fault mm/memory.c:6033 [inline]
 do_fault mm/memory.c:6107 [inline]
 do_pte_missing+0x684/0x34b0 mm/memory.c:4663
 handle_pte_fault mm/memory.c:6527 [inline]
 __handle_mm_fault mm/memory.c:6676 [inline]
 handle_mm_fault+0x1a53/0x3750 mm/memory.c:6843
 do_user_addr_fault+0xb35/0x1480 arch/x86/mm/fault.c:1343
 handle_page_fault arch/x86/mm/fault.c:1483 [inline]
 exc_page_fault+0x6a/0xc0 arch/x86/mm/fault.c:1536
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
RIP: 0033:0x7f810f267702
Code: 30 48 8b 14 24 48 85 d2 74 17 8b 44 24 10 0f c8 89 c0 48 89 44 24 10 48 83 fa 01 0f 85 aa 02 00 00 48 8b 44 24 18 8b 74 24 10 <89> 30 e9 1e fe ff ff 48 8b 44 24 18 8b 10 48 8b 04 24 48 85 c0 0f
RSP: 002b:00007ffcfd56c590 EFLAGS: 00010246
RAX: 00002000000001c0 RBX: 0000000000000004 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000055557f58c3d8
RBP: 00007ffcfd56c6b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 00007ffcfd56c6f0
R13: 00007f810f62618c R14: 000000000002c4c7 R15: 00007f810f626180
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x128c/0x1400 mm/filemap.c:858
Code: ff 4c 89 f7 48 c7 c6 20 0f 19 8c e8 fe 5e 1f ff 90 0f 0b e8 d6 3e bf ff 48 8b 7c 24 20 48 c7 c6 e0 03 19 8c e8 e5 5e 1f ff 90 <0f> 0b e8 bd 3e bf ff 4c 89 f7 48 c7 c6 20 0f 19 8c e8 ce 5e 1f ff
RSP: 0018:ffffc9000349f5a0 EFLAGS: 00010246
RAX: c036f210ac1a5b00 RBX: 0000000000000000 RCX: ffffffff9ac59501
RDX: 0000000000000001 RSI: ffffffff8e59e74c RDI: 00000000ffffffff
RBP: ffffc9000349f738 R08: ffffffff909bb37f R09: 1ffffffff213766f
R10: dffffc0000000000 R11: fffffbfff2137670 R12: dffffc0000000000
R13: ffff888023cb4dc0 R14: 0000000000000002 R15: ffff888023cb4ed8
FS:  000055557f58c500(0000) GS:ffff88812495b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000001c0 CR3: 000000005af8e000 CR4: 00000000003526f0