folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x346/0xda0 mm/truncate.c:383 kill_bdev block/bdev.c:91 [inline] set_blocksize+0x32a/0x500 block/bdev.c:207 blkdev_bszset+0x1ac/0x220 block/ioctl.c:553 blkdev_ioctl+0x430/0x6d0 block/ioctl.c:687 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f ------------[ cut here ]------------ kernel BUG at mm/filemap.c:868! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 20664 Comm: syz.3.3990 Not tainted 6.16.0-rc3-syzkaller-00329-gdfba48a70cb6 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__filemap_add_folio+0x11ad/0x12f0 mm/filemap.c:867 Code: fd c8 ff 4c 89 e7 48 c7 c6 e0 37 94 8b e8 fb a3 10 00 90 0f 0b e8 83 fd c8 ff 4c 89 e7 48 c7 c6 c0 2e 94 8b e8 e4 a3 10 00 90 <0f> 0b e8 6c fd c8 ff 4c 89 e7 48 c7 c6 e0 37 94 8b e8 cd a3 10 00 RSP: 0018:ffffc90003b5f200 EFLAGS: 00010246 RAX: 7a5425dc1e222300 RBX: 0000000000000002 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8d982071 RDI: 00000000ffffffff RBP: ffffc90003b5f368 R08: ffffffff8fa104f7 R09: 1ffffffff1f4209e R10: dffffc0000000000 R11: fffffbfff1f4209f R12: ffffea0001460600 R13: dffffc0000000000 R14: ffffea0001460608 R15: 0000000000000004 FS: 00007f39bd8676c0(0000) GS:ffff888125c50000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa2720fdeb8 CR3: 0000000047544000 CR4: 0000000000350ef0 Call Trace: filemap_add_folio+0xd5/0x270 mm/filemap.c:969 ra_alloc_folio mm/readahead.c:448 [inline] page_cache_ra_order+0x74c/0xc70 mm/readahead.c:509 do_sync_mmap_readahead+0x4b5/0x5f0 mm/filemap.c:3271 filemap_fault+0x62a/0x1200 mm/filemap.c:3412 __do_fault+0x138/0x390 mm/memory.c:5169 do_shared_fault mm/memory.c:5654 [inline] do_fault mm/memory.c:5728 [inline] do_pte_missing mm/memory.c:4251 [inline] handle_pte_fault mm/memory.c:6069 [inline] __handle_mm_fault+0x198b/0x5620 mm/memory.c:6212 handle_mm_fault+0x40a/0x8e0 mm/memory.c:6381 do_user_addr_fault+0x764/0x1390 arch/x86/mm/fault.c:1387 handle_page_fault arch/x86/mm/fault.c:1476 [inline] exc_page_fault+0x76/0xf0 arch/x86/mm/fault.c:1532 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0010:copy_user_generic arch/x86/include/asm/uaccess_64.h:126 [inline] RIP: 0010:raw_copy_to_user arch/x86/include/asm/uaccess_64.h:147 [inline] RIP: 0010:_inline_copy_to_user include/linux/uaccess.h:197 [inline] RIP: 0010:_copy_to_user+0x85/0xb0 lib/usercopy.c:26 Code: e8 60 92 fe fc 4d 39 fc 72 3d 4d 39 ec 77 38 e8 f1 8f fe fc 4c 89 f7 89 de e8 a7 15 62 fd 0f 01 cb 4c 89 ff 48 89 d9 4c 89 f6 a4 0f 1f 00 48 89 cb 0f 01 ca 48 89 d8 5b 41 5c 41 5d 41 5e 41 RSP: 0018:ffffc90003b5fb90 EFLAGS: 00050256 RAX: ffffffff84c1be01 RBX: 0000000000000008 RCX: 0000000000000008 RDX: 0000000000000000 RSI: ffffc90003b5fc20 RDI: 000020000001a040 RBP: ffffc90003b5fc90 R08: ffffc90003b5fc27 R09: 1ffff9200076bf84 R10: dffffc0000000000 R11: fffff5200076bf85 R12: 000020000001a048 R13: 00007ffffffff000 R14: ffffc90003b5fc20 R15: 000020000001a040 copy_to_user include/linux/uaccess.h:225 [inline] msr_read+0x177/0x250 arch/x86/kernel/msr.c:69 vfs_read+0x200/0x980 fs/read_write.c:570 ksys_read+0x145/0x250 fs/read_write.c:715 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f39bc98e929 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f39bd867038 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f39bcbb6080 RCX: 00007f39bc98e929 RDX: 0000000000019000 RSI: 000020000001a040 RDI: 0000000000000005 RBP: 00007f39bca10b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f39bcbb6080 R15: 00007ffea85dfc38 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__filemap_add_folio+0x11ad/0x12f0 mm/filemap.c:867 Code: fd c8 ff 4c 89 e7 48 c7 c6 e0 37 94 8b e8 fb a3 10 00 90 0f 0b e8 83 fd c8 ff 4c 89 e7 48 c7 c6 c0 2e 94 8b e8 e4 a3 10 00 90 <0f> 0b e8 6c fd c8 ff 4c 89 e7 48 c7 c6 e0 37 94 8b e8 cd a3 10 00 RSP: 0018:ffffc90003b5f200 EFLAGS: 00010246 RAX: 7a5425dc1e222300 RBX: 0000000000000002 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8d982071 RDI: 00000000ffffffff RBP: ffffc90003b5f368 R08: ffffffff8fa104f7 R09: 1ffffffff1f4209e R10: dffffc0000000000 R11: fffffbfff1f4209f R12: ffffea0001460600 R13: dffffc0000000000 R14: ffffea0001460608 R15: 0000000000000004 FS: 00007f39bd8676c0(0000) GS:ffff888125c50000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f216f017440 CR3: 0000000047544000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess): 0: e8 60 92 fe fc call 0xfcfe9265 5: 4d 39 fc cmp %r15,%r12 8: 72 3d jb 0x47 a: 4d 39 ec cmp %r13,%r12 d: 77 38 ja 0x47 f: e8 f1 8f fe fc call 0xfcfe9005 14: 4c 89 f7 mov %r14,%rdi 17: 89 de mov %ebx,%esi 19: e8 a7 15 62 fd call 0xfd6215c5 1e: 0f 01 cb stac 21: 4c 89 ff mov %r15,%rdi 24: 48 89 d9 mov %rbx,%rcx 27: 4c 89 f6 mov %r14,%rsi * 2a: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi) <-- trapping instruction 2c: 0f 1f 00 nopl (%rax) 2f: 48 89 cb mov %rcx,%rbx 32: 0f 01 ca clac 35: 48 89 d8 mov %rbx,%rax 38: 5b pop %rbx 39: 41 5c pop %r12 3b: 41 5d pop %r13 3d: 41 5e pop %r14 3f: 41 rex.B