get_signal+0x1285/0x1340 kernel/signal.c:3034 arch_do_signal_or_restart+0x9a/0x7a0 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:41 [inline] exit_to_user_mode_loop+0x87/0x4f0 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+0x2e9/0xfa0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f ------------[ cut here ]------------ kernel BUG at mm/filemap.c:1531! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 4574 Comm: syz.8.8520 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:folio_end_read+0x22e/0x230 mm/filemap.c:1531 Code: 54 c7 ff 48 89 df 48 c7 c6 80 84 74 8b e8 8a 89 2d ff 90 0f 0b e8 92 54 c7 ff 48 89 df 48 c7 c6 e0 7c 74 8b e8 73 89 2d ff 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa RSP: 0018:ffffc9000ba67648 EFLAGS: 00010246 RAX: d504dc1bf5b1d900 RBX: ffffea0001dc2e00 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8d78e538 RDI: 00000000ffffffff RBP: 0000000000000001 R08: ffffffff8f7de477 R09: 1ffffffff1efbc8e R10: dffffc0000000000 R11: fffffbfff1efbc8f R12: 1ffffd40003b85c1 R13: 1ffffd40003b85c0 R14: ffffea0001dc2e08 R15: 0000000000000008 FS: 00007fe3686696c0(0000) GS:ffff888125fbc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7cdf63ffd4 CR3: 000000009ab40000 CR4: 00000000003526f0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: iomap_read_folio+0x373/0x580 fs/iomap/buffered-io.c:578 iomap_bio_read_folio include/linux/iomap.h:598 [inline] xfs_vm_read_folio+0x9e/0xe0 fs/xfs/xfs_aops.c:745 filemap_read_folio+0x117/0x380 mm/filemap.c:2496 filemap_fault+0xbce/0x12b0 mm/filemap.c:3641 __do_fault+0x138/0x390 mm/memory.c:5318 do_read_fault mm/memory.c:5753 [inline] do_fault mm/memory.c:5887 [inline] do_pte_missing+0x2209/0x3380 mm/memory.c:4399 handle_pte_fault mm/memory.c:6232 [inline] __handle_mm_fault mm/memory.c:6379 [inline] handle_mm_fault+0x1b26/0x32a0 mm/memory.c:6548 do_user_addr_fault+0xa7c/0x1380 arch/x86/mm/fault.c:1336 handle_page_fault arch/x86/mm/fault.c:1476 [inline] exc_page_fault+0x82/0x100 arch/x86/mm/fault.c:1532 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618 RIP: 0033:0x7fe36764e637 Code: 00 00 00 48 89 7c 24 f0 48 89 74 24 e8 48 89 54 24 e0 48 8b 4c 24 f0 48 8b 54 24 e8 48 8b 74 24 e0 8b 41 40 23 81 00 01 00 00 0f 6f 06 c1 e0 06 48 01 d0 0f 11 00 f3 0f 6f 4e 10 0f 11 48 10 RSP: 002b:00007fe368669028 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007fe3679e6090 RCX: 00007fe368644000 RDX: 00007fe36863c000 RSI: 0000200000000000 RDI: 00007fe368644000 RBP: 00007fe367813f91 R08: 0000000000000000 R09: 0000000000000000 R10: 00007fe368644000 R11: 0000200000000000 R12: 0000000000000000 R13: 00007fe3679e6128 R14: 00007fe3679e6090 R15: 00007ffcf41193d8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:folio_end_read+0x22e/0x230 mm/filemap.c:1531 Code: 54 c7 ff 48 89 df 48 c7 c6 80 84 74 8b e8 8a 89 2d ff 90 0f 0b e8 92 54 c7 ff 48 89 df 48 c7 c6 e0 7c 74 8b e8 73 89 2d ff 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa RSP: 0018:ffffc9000ba67648 EFLAGS: 00010246 RAX: d504dc1bf5b1d900 RBX: ffffea0001dc2e00 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8d78e538 RDI: 00000000ffffffff RBP: 0000000000000001 R08: ffffffff8f7de477 R09: 1ffffffff1efbc8e R10: dffffc0000000000 R11: fffffbfff1efbc8f R12: 1ffffd40003b85c1 R13: 1ffffd40003b85c0 R14: ffffea0001dc2e08 R15: 0000000000000008 FS: 00007fe3686696c0(0000) GS:ffff888125ebc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdfbf1b7198 CR3: 000000009ab40000 CR4: 00000000003526f0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400