folios_put_refs+0x76c/0x860 mm/swap.c:994 free_pages_and_swap_cache+0x2e5/0x690 mm/swap_state.c:331 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline] tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:389 [inline] tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:396 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:488 exit_mmap+0x52a/0xd40 mm/mmap.c:1297 __mmput+0x115/0x410 kernel/fork.c:1356 exit_mm+0x220/0x310 kernel/exit.c:570 do_exit+0x9ad/0x28e0 kernel/exit.c:925 do_group_exit+0x207/0x2c0 kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1096 x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f ------------[ cut here ]------------ kernel BUG at mm/filemap.c:154! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 UID: 0 PID: 11615 Comm: syz.1.1071 Not tainted 6.14.0-rc2-syzkaller-00228-g04f41cbf03ec #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:filemap_unaccount_folio+0x73d/0x7d0 mm/filemap.c:154 Code: cd c7 ff 48 89 df 48 c7 c6 c0 d6 33 8c e8 1b 27 10 00 90 0f 0b e8 e3 cd c7 ff 48 89 df 48 c7 c6 a0 d5 33 8c e8 04 27 10 00 90 <0f> 0b e8 cc cd c7 ff 48 89 df 48 c7 c6 c0 d6 33 8c e8 ed 26 10 00 RSP: 0018:ffffc900056ef070 EFLAGS: 00010046 RAX: 428d8827cc524f00 RBX: ffffea00013fc400 RCX: ffffc900056eec03 RDX: 0000000000000002 RSI: ffffffff8c2ab6a0 RDI: ffffffff8c801880 RBP: 0000000000000000 R08: ffffffff903bb277 R09: 1ffffffff207764e R10: dffffc0000000000 R11: fffffbfff207764f R12: dffffc0000000000 R13: 1ffffd400027f881 R14: ffff88802a6d0a28 R15: ffffea00013fc408 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1cfacf1440 CR3: 000000000e938000 CR4: 00000000003526f0 DR0: 0000000000000002 DR1: ffffffffffffffff DR2: 0000000000010001 DR3: 0000000000000004 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __filemap_remove_folio+0xc7/0x670 mm/filemap.c:223 filemap_remove_folio+0xe1/0x1f0 mm/filemap.c:256 truncate_inode_folio+0x5d/0x70 mm/truncate.c:162 shmem_undo_range+0x44b/0x1820 mm/shmem.c:1108 shmem_truncate_range mm/shmem.c:1224 [inline] shmem_evict_inode+0x29b/0xa80 mm/shmem.c:1352 evict+0x4e8/0x9a0 fs/inode.c:796 __dentry_kill+0x20d/0x630 fs/dcache.c:643 dput+0x19f/0x2b0 fs/dcache.c:885 __fput+0x60b/0x9f0 fs/file_table.c:472 task_work_run+0x24f/0x310 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0xa2a/0x28e0 kernel/exit.c:938 do_group_exit+0x207/0x2c0 kernel/exit.c:1087 get_signal+0x168c/0x1720 kernel/signal.c:3036 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc22eb8cde9 Code: Unable to access opcode bytes at 0x7fc22eb8cdbf. RSP: 002b:00007fc22fa950e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007fc22eda6088 RCX: 00007fc22eb8cde9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc22eda6088 RBP: 00007fc22eda6080 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc22eda608c R13: 0000000000000000 R14: 00007ffea89d2e50 R15: 00007ffea89d2f38 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:filemap_unaccount_folio+0x73d/0x7d0 mm/filemap.c:154 Code: cd c7 ff 48 89 df 48 c7 c6 c0 d6 33 8c e8 1b 27 10 00 90 0f 0b e8 e3 cd c7 ff 48 89 df 48 c7 c6 a0 d5 33 8c e8 04 27 10 00 90 <0f> 0b e8 cc cd c7 ff 48 89 df 48 c7 c6 c0 d6 33 8c e8 ed 26 10 00 RSP: 0018:ffffc900056ef070 EFLAGS: 00010046 RAX: 428d8827cc524f00 RBX: ffffea00013fc400 RCX: ffffc900056eec03 RDX: 0000000000000002 RSI: ffffffff8c2ab6a0 RDI: ffffffff8c801880 RBP: 0000000000000000 R08: ffffffff903bb277 R09: 1ffffffff207764e R10: dffffc0000000000 R11: fffffbfff207764f R12: dffffc0000000000 R13: 1ffffd400027f881 R14: ffff88802a6d0a28 R15: ffffea00013fc408 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1cfacf1440 CR3: 000000000e938000 CR4: 00000000003526f0 DR0: 0000000000000002 DR1: ffffffffffffffff DR2: 0000000000010001 DR3: 0000000000000004 DR6: 00000000fffe0ff0 DR7: 0000000000000400