ci2 starts bisection 2023-07-11 09:10:06.820209926 +0000 UTC m=+130.877644377 bisecting fixing commit since ca48fc16c49388400eddd6c6614593ebf7c7726a building syzkaller on 90c93c40627cb0ac3c2c7cb99d807fd4c137adcb ensuring issue is reproducible on original commit ca48fc16c49388400eddd6c6614593ebf7c7726a testing commit ca48fc16c49388400eddd6c6614593ebf7c7726a gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 4a24e5cf095660eef537f66665fc24b31fbf6a9a90c5eae83c68524766c37822 run #0: crashed: KASAN: use-after-free Read in ntfs_read_folio run #1: crashed: KASAN: use-after-free Read in ntfs_read_folio run #2: crashed: KASAN: use-after-free Read in ntfs_read_folio run #3: crashed: KASAN: use-after-free Read in ntfs_read_folio run #4: crashed: KASAN: use-after-free Read in ntfs_read_folio run #5: crashed: KASAN: use-after-free Read in ntfs_read_folio run #6: crashed: KASAN: use-after-free Read in ntfs_read_folio run #7: crashed: KASAN: use-after-free Read in ntfs_read_folio run #8: crashed: KASAN: use-after-free Read in ntfs_read_folio run #9: crashed: KASAN: use-after-free Read in ntfs_read_folio run #10: crashed: KASAN: use-after-free Read in ntfs_read_folio run #11: crashed: KASAN: use-after-free Read in ntfs_read_folio run #12: crashed: KASAN: use-after-free Read in ntfs_read_folio run #13: crashed: KASAN: use-after-free Read in ntfs_read_folio run #14: crashed: KASAN: use-after-free Read in ntfs_read_folio run #15: crashed: KASAN: use-after-free Read in ntfs_read_folio run #16: crashed: KASAN: use-after-free Read in ntfs_read_folio run #17: crashed: KASAN: use-after-free Read in ntfs_read_folio run #18: crashed: KASAN: use-after-free Read in ntfs_read_folio run #19: crashed: KASAN: use-after-free Read in ntfs_read_folio run #20: crashed: KASAN: use-after-free Read in ntfs_read_folio run #21: crashed: KASAN: use-after-free Read in ntfs_read_folio run #22: crashed: KASAN: out-of-bounds Read in ntfs_read_folio run #23: crashed: KASAN: out-of-bounds Read in ntfs_read_folio run #24: crashed: KASAN: use-after-free Read in ntfs_read_folio run #25: crashed: KASAN: use-after-free Read in ntfs_read_folio run #26: crashed: KASAN: use-after-free Read in ntfs_read_folio run #27: crashed: KASAN: use-after-free Read in ntfs_read_folio run #28: crashed: KASAN: use-after-free Read in ntfs_read_folio run #29: crashed: KASAN: use-after-free Read in ntfs_read_folio run #30: crashed: KASAN: use-after-free Read in ntfs_read_folio run #31: crashed: KASAN: use-after-free Read in ntfs_read_folio run #32: crashed: KASAN: use-after-free Read in ntfs_read_folio run #33: crashed: KASAN: use-after-free Read in ntfs_read_folio run #34: crashed: KASAN: use-after-free Read in ntfs_read_folio run #35: crashed: KASAN: use-after-free Read in ntfs_read_folio run #36: crashed: KASAN: use-after-free Read in ntfs_read_folio run #37: crashed: KASAN: use-after-free Read in ntfs_read_folio run #38: crashed: KASAN: use-after-free Read in ntfs_read_folio run #39: crashed: KASAN: use-after-free Read in ntfs_read_folio representative crash: KASAN: use-after-free Read in ntfs_read_folio, types: [KASAN] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed testing commit ca48fc16c49388400eddd6c6614593ebf7c7726a gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 8e427bdb005f89791324a3845a5e894b70d4333c4134fae18f148551b7265125 run #0: crashed: KASAN: use-after-free Read in ntfs_read_folio run #1: crashed: KASAN: use-after-free Read in ntfs_read_folio run #2: crashed: KASAN: use-after-free Read in ntfs_read_folio run #3: crashed: KASAN: use-after-free Read in ntfs_read_folio run #4: crashed: KASAN: use-after-free Read in ntfs_read_folio run #5: crashed: KASAN: use-after-free Read in ntfs_read_folio run #6: crashed: KASAN: use-after-free Read in ntfs_read_folio run #7: crashed: KASAN: use-after-free Read in ntfs_read_folio run #8: crashed: KASAN: use-after-free Read in ntfs_read_folio run #9: crashed: KASAN: use-after-free Read in ntfs_read_folio run #10: crashed: KASAN: use-after-free Read in ntfs_read_folio run #11: crashed: KASAN: use-after-free Read in ntfs_read_folio run #12: crashed: KASAN: use-after-free Read in ntfs_read_folio run #13: crashed: KASAN: use-after-free Read in ntfs_read_folio run #14: crashed: KASAN: use-after-free Read in ntfs_read_folio run #15: crashed: KASAN: use-after-free Read in ntfs_read_folio run #16: crashed: KASAN: out-of-bounds Read in ntfs_read_folio run #17: crashed: KASAN: out-of-bounds Read in ntfs_read_folio run #18: crashed: KASAN: use-after-free Read in ntfs_read_folio run #19: crashed: KASAN: use-after-free Read in ntfs_read_folio representative crash: KASAN: use-after-free Read in ntfs_read_folio, types: [KASAN] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing current HEAD 61fd484b2cf6bc8022e8e5ea6f693a9991740ac2 testing commit 61fd484b2cf6bc8022e8e5ea6f693a9991740ac2 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 8e6bd9506e694a00a76d8cf68bb5300eb276521eb6ce05d9a5985c955c339121 run #0: crashed: KASAN: use-after-free Read in ntfs_read_folio run #1: crashed: KASAN: use-after-free Read in ntfs_read_folio run #2: crashed: KASAN: use-after-free Read in ntfs_read_folio run #3: crashed: KASAN: use-after-free Read in ntfs_read_folio run #4: crashed: KASAN: out-of-bounds Read in ntfs_read_folio run #5: crashed: KASAN: out-of-bounds Read in ntfs_read_folio run #6: crashed: KASAN: use-after-free Read in ntfs_read_folio run #7: crashed: KASAN: use-after-free Read in ntfs_read_folio run #8: crashed: KASAN: out-of-bounds Read in ntfs_read_folio run #9: crashed: KASAN: out-of-bounds Read in ntfs_read_folio run #10: crashed: KASAN: use-after-free Read in ntfs_read_folio run #11: crashed: KASAN: use-after-free Read in ntfs_read_folio run #12: crashed: KASAN: use-after-free Read in ntfs_read_folio run #13: crashed: KASAN: use-after-free Read in ntfs_read_folio run #14: crashed: KASAN: use-after-free Read in ntfs_read_folio run #15: crashed: KASAN: use-after-free Read in ntfs_read_folio run #16: crashed: KASAN: out-of-bounds Read in ntfs_read_folio run #17: crashed: KASAN: out-of-bounds Read in ntfs_read_folio run #18: crashed: KASAN: use-after-free Read in ntfs_read_folio run #19: crashed: KASAN: use-after-free Read in ntfs_read_folio representative crash: KASAN: use-after-free Read in ntfs_read_folio, types: [KASAN] crash still not fixed/happens on the oldest tested release revisions tested: 3, total time: 2h9m43.060335753s (build: 53m5.691234773s, test: 9m51.373306406s) crash still not fixed on HEAD or HEAD had kernel test errors commit msg: Linux 6.1.38 crash: KASAN: use-after-free Read in ntfs_read_folio loop0: detected capacity change from 0 to 190 ================================================================== BUG: KASAN: use-after-free in ntfs_read_folio+0x9b8/0x2770 fs/ntfs/aops.c:489 Read of size 1 at addr ffff88806bcb817f by task syz-executor.0/3990 CPU: 0 PID: 3990 Comm: syz-executor.0 Not tainted 6.1.38-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x210/0x2fc lib/dump_stack.c:106 print_address_description mm/kasan/report.c:284 [inline] print_report+0x15f/0x4f0 mm/kasan/report.c:395 kasan_report+0x136/0x160 mm/kasan/report.c:495 kasan_check_range+0x27f/0x290 mm/kasan/generic.c:189 memcpy+0x25/0x60 mm/kasan/shadow.c:65 ntfs_read_folio+0x9b8/0x2770 fs/ntfs/aops.c:489 filemap_read_folio+0x199/0x780 mm/filemap.c:2407 do_read_cache_folio+0x2ee/0x810 mm/filemap.c:3535 do_read_cache_page+0x32/0x220 mm/filemap.c:3577 read_mapping_page include/linux/pagemap.h:756 [inline] ntfs_map_page fs/ntfs/aops.h:75 [inline] load_and_init_attrdef fs/ntfs/super.c:1609 [inline] load_system_files+0x1a14/0x4620 fs/ntfs/super.c:1817 ntfs_fill_super+0x174f/0x2760 fs/ntfs/super.c:2892 mount_bdev+0x2ad/0x3b0 fs/super.c:1423 legacy_get_tree+0xeb/0x180 fs/fs_context.c:610 vfs_get_tree+0x89/0x1b0 fs/super.c:1553 do_new_mount+0x291/0xa80 fs/namespace.c:3040 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb4d388d69a Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb4d45f9f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 000000000000097e RCX: 00007fb4d388d69a RDX: 0000000020000040 RSI: 000000002001f200 RDI: 00007fb4d45f9fe0 RBP: 00007fb4d45fa020 R08: 00007fb4d45fa020 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000040 R13: 000000002001f200 R14: 00007fb4d45f9fe0 R15: 0000000020000000 The buggy address belongs to the physical page: page:ffffea0001af2e00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x6bcb8 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 ffffea0001af2e48 ffffea0001af2b48 0000000000000000 raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as freed page last allocated via order 9, migratetype Movable, gfp_mask 0x3d24ca(GFP_TRANSHUGE|__GFP_NORETRY|__GFP_THISNODE), pid 3540, tgid 3534 (syz-fuzzer), ts 44605646526, free_ts 46087275111 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x286/0x2b0 mm/page_alloc.c:2533 prep_new_page mm/page_alloc.c:2540 [inline] get_page_from_freelist+0x3100/0x32a0 mm/page_alloc.c:4292 __alloc_pages+0x251/0x640 mm/page_alloc.c:5559 __folio_alloc+0xf/0x30 mm/page_alloc.c:5591 __folio_alloc_node+0x130/0x1b0 include/linux/gfp.h:246 vma_alloc_folio+0xc31/0xe30 mm/mempolicy.c:2222 do_huge_pmd_anonymous_page+0x334/0x1bf0 mm/huge_memory.c:832 create_huge_pmd mm/memory.c:4841 [inline] __handle_mm_fault mm/memory.c:5088 [inline] handle_mm_fault+0x19a9/0x5510 mm/memory.c:5239 do_user_addr_fault arch/x86/mm/fault.c:1380 [inline] handle_page_fault arch/x86/mm/fault.c:1471 [inline] exc_page_fault+0x22a/0x5e0 arch/x86/mm/fault.c:1527 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1460 [inline] free_pcp_prepare mm/page_alloc.c:1510 [inline] free_unref_page_prepare+0xd6c/0xf00 mm/page_alloc.c:3388 free_unref_page+0x9a/0x500 mm/page_alloc.c:3484 __folio_put_large mm/swap.c:118 [inline] release_pages+0x667/0x2a40 mm/swap.c:1021 tlb_batch_pages_flush mm/mmu_gather.c:59 [inline] tlb_flush_mmu_free mm/mmu_gather.c:254 [inline] tlb_flush_mmu+0xfc/0x200 mm/mmu_gather.c:261 tlb_finish_mmu+0xce/0x1f0 mm/mmu_gather.c:361 zap_page_range_single+0x47d/0x540 mm/memory.c:1786 madvise_dontneed_single_vma mm/madvise.c:793 [inline] madvise_dontneed_free mm/madvise.c:886 [inline] madvise_vma_behavior mm/madvise.c:1025 [inline] madvise_walk_vmas mm/madvise.c:1250 [inline] do_madvise+0x2702/0x42d0 mm/madvise.c:1429 __do_sys_madvise mm/madvise.c:1442 [inline] __se_sys_madvise mm/madvise.c:1440 [inline] __x64_sys_madvise+0xa1/0xb0 mm/madvise.c:1440 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd Memory state around the buggy address: ffff88806bcb8000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff88806bcb8080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff88806bcb8100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff88806bcb8180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff88806bcb8200: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ==================================================================