get_signal+0x2671/0x26d0 kernel/signal.c:3034
 arch_do_signal_or_restart+0x8f/0x7e0 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:41 [inline]
 exit_to_user_mode_loop+0x8c/0x540 kernel/entry/common.c:75
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
 do_syscall_64+0x4ee/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
kernel BUG at mm/filemap.c:3579!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 16641 Comm: syz.8.2846 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:filemap_fault+0x1c68/0x29d0 mm/filemap.c:3579
Code: f4 2f 00 e9 3f ef ff ff 4c 89 f7 e8 a2 f4 2f 00 e9 3d e7 ff ff e8 88 18 c6 ff 48 c7 c6 a0 ef 99 8b 48 89 df e8 c9 f5 10 00 90 <0f> 0b e8 71 18 c6 ff 48 c7 c6 00 e6 99 8b 48 89 df e8 b2 f5 10 00
RSP: 0018:ffffc9000e21fad8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffea0001a0ff00 RCX: 0000000000000000
RDX: ffff88802bd1a4c0 RSI: ffffffff81f8e3d7 RDI: ffff88802bd1a944
RBP: ffffc9000e21fd60 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff9088cdd7 R11: 0000000000000001 R12: ffff888149109400
R13: 0000000000000001 R14: 0000000000000001 R15: 00000000000ffffd
FS:  000055558f41b500(0000) GS:ffff8881248f1000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5b59391700 CR3: 000000003ed69000 CR4: 00000000003526f0
DR0: 0000000000000008 DR1: 0000000000000002 DR2: 0000000000000404
DR3: ffffffffefffff14 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __do_fault+0x10d/0x490 mm/memory.c:5320
 do_shared_fault mm/memory.c:5819 [inline]
 do_fault+0x302/0x1ad0 mm/memory.c:5893
 do_pte_missing mm/memory.c:4401 [inline]
 handle_pte_fault mm/memory.c:6273 [inline]
 __handle_mm_fault+0x1919/0x2bb0 mm/memory.c:6411
 handle_mm_fault+0x3fe/0xad0 mm/memory.c:6580
 do_user_addr_fault+0x60c/0x1370 arch/x86/mm/fault.c:1336
 handle_page_fault arch/x86/mm/fault.c:1476 [inline]
 exc_page_fault+0x64/0xc0 arch/x86/mm/fault.c:1532
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x7fdc9a958b08
Code: 66 89 74 17 02 88 0f c3 c5 fa 6f 06 c5 fa 6f 4c 16 f0 c5 fa 7f 07 c5 fa 7f 4c 17 f0 c3 0f 1f 44 00 00 48 8b 4c 16 f8 48 8b 36 <48> 89 37 48 89 4c 17 f8 c3 62 e1 fe 28 6f 54 16 ff 62 e1 fe 28 6f
RSP: 002b:00007ffc1ac19818 EFLAGS: 00010246
RAX: 0000200000000080 RBX: 0000000000000004 RCX: 0031313230386c6e
RDX: 0000000000000008 RSI: 0031313230386c6e RDI: 0000200000000080
RBP: 00007fdc9abe7da0 R08: 0000001b2e520000 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000009 R12: 00007fdc9abe627c
R13: 00007fdc9abe6270 R14: fffffffffffffffe R15: 00007ffc1ac19930
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:filemap_fault+0x1c68/0x29d0 mm/filemap.c:3579
Code: f4 2f 00 e9 3f ef ff ff 4c 89 f7 e8 a2 f4 2f 00 e9 3d e7 ff ff e8 88 18 c6 ff 48 c7 c6 a0 ef 99 8b 48 89 df e8 c9 f5 10 00 90 <0f> 0b e8 71 18 c6 ff 48 c7 c6 00 e6 99 8b 48 89 df e8 b2 f5 10 00
RSP: 0018:ffffc9000e21fad8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffea0001a0ff00 RCX: 0000000000000000
RDX: ffff88802bd1a4c0 RSI: ffffffff81f8e3d7 RDI: ffff88802bd1a944
RBP: ffffc9000e21fd60 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff9088cdd7 R11: 0000000000000001 R12: ffff888149109400
R13: 0000000000000001 R14: 0000000000000001 R15: 00000000000ffffd
FS:  000055558f41b500(0000) GS:ffff8881248f1000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffda4fd5000 CR3: 000000003ed69000 CR4: 00000000003526f0
DR0: 0000000000000008 DR1: 0000000000000002 DR2: 0000000000000404
DR3: ffffffffefffff14 DR6: 00000000ffff0ff0 DR7: 0000000000000400