ci2 starts bisection 2023-04-17 10:25:44.596824508 +0000 UTC m=+8976.548892749 bisecting fixing commit since 7eaef76fbc4621ced374c85dbc000dd80dc681d7 building syzkaller on 7939252e4ddf50bbb9912069a40d32f6c83c4f8e ensuring issue is reproducible on original commit 7eaef76fbc4621ced374c85dbc000dd80dc681d7 testing commit 7eaef76fbc4621ced374c85dbc000dd80dc681d7 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 8db6939b38277e8b0c0430cecbfc08add362135b754150680ce06c3f31905372 run #0: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc007d24140] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #1: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc0022220a0] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #2: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc007d24230] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #3: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc0022221e0] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #4: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc002222320] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #5: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc00081a230] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #6: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc007d24320] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #7: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc007d24460] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #8: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc007d24640] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #9: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc00081a500] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #10: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc007d24960] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #11: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc00081a640] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. 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 testing current HEAD 0102425ac76bd184704c698cab7cb4fe37997556 testing commit 0102425ac76bd184704c698cab7cb4fe37997556 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: dca1e3d31d99cf1b7d344fcdd9acb7c3f6e93972ce9110021b91bb77b8fe818c run #0: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc0067108c0] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #1: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc006710b90] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 64.0 in region us-central1. ForceSendFields:[] NullFields:[]}. 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: out-of-bounds Read in ntfs_read_folio run #7: crashed: KASAN: out-of-bounds 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 revisions tested: 2, total time: 57m28.794984535s (build: 49m16.281856185s, test: 6m4.128036989s) the crash still happens on HEAD commit msg: Linux 6.1.24 crash: KASAN: use-after-free Read in ntfs_read_folio ntfs: (device loop0): ntfs_read_locked_inode(): Failed with error code -5. Marking corrupt inode 0xa as bad. Run chkdsk. ntfs: (device loop0): load_and_init_upcase(): Failed to load $UpCase from the volume. Using default. ================================================================== BUG: KASAN: use-after-free in ntfs_read_folio+0x548/0x1688 fs/ntfs/aops.c:489 Read of size 1 at addr ffff0000e20e317f by task syz-executor.0/4945 CPU: 1 PID: 4945 Comm: syz-executor.0 Not tainted 6.1.24-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Call trace: dump_backtrace+0x100/0x150 arch/arm64/kernel/stacktrace.c:158 show_stack+0x18/0x24 arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x90/0xc8 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:284 [inline] print_report+0x174/0x4c0 mm/kasan/report.c:395 kasan_report+0xd4/0x130 mm/kasan/report.c:495 kasan_check_range+0x264/0x2a4 mm/kasan/generic.c:189 memcpy+0x48/0x90 mm/kasan/shadow.c:65 ntfs_read_folio+0x548/0x1688 fs/ntfs/aops.c:489 filemap_read_folio+0x114/0x2d4 mm/filemap.c:2407 do_read_cache_folio+0x1c8/0x400 mm/filemap.c:3535 do_read_cache_page mm/filemap.c:3577 [inline] read_cache_page+0x58/0x13c mm/filemap.c:3586 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+0x1dfc/0x3c70 fs/ntfs/super.c:1817 ntfs_fill_super+0xf94/0x1f70 fs/ntfs/super.c:2892 mount_bdev+0x22c/0x2ec fs/super.c:1423 ntfs_mount+0x18/0x24 fs/ntfs/super.c:3049 legacy_get_tree+0xd0/0x158 fs/fs_context.c:610 vfs_get_tree+0x88/0x224 fs/super.c:1553 do_new_mount+0x1a4/0x6fc fs/namespace.c:3040 path_mount+0x4f8/0xa50 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __arm64_sys_mount+0x3a0/0x44c fs/namespace.c:3568 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x7c/0x258 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x160/0x1e4 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x54/0x178 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 The buggy address belongs to the physical page: page:00000000af0335ba refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x1220e3 flags: 0x5ffc00000000000(node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000000000 fffffc0003884e48 fffffc0003884e08 0000000000000000 raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000e20e3000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff0000e20e3080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff0000e20e3100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff0000e20e3180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff0000e20e3200: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ================================================================== ntfs: volume version 3.1. syz-executor.0: attempt to access beyond end of device loop0: rw=0, sector=2072, nr_sectors = 8 limit=190 ntfs: (device loop0): ntfs_end_buffer_async_read(): Buffer I/O error, logical block 0x103. syz-executor.0: attempt to access beyond end of device loop0: rw=0, sector=552, nr_sectors = 8 limit=190 syz-executor.0: attempt to access beyond end of device loop0: rw=0, sector=224, nr_sectors = 8 limit=190