Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/12/09 | linux-6.1.y (ToT) | e4d90d63d385 | C | [report] KASAN: use-after-free Read in ntfs_attr_find |
2024/12/09 | upstream (ToT) | fac04efc5c79 | C | Didn't crash |
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Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/12/09 | linux-6.1.y (ToT) | e4d90d63d385 | C | [report] KASAN: use-after-free Read in ntfs_attr_find |
2024/12/09 | upstream (ToT) | fac04efc5c79 | C | Didn't crash |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2024/04/01 10:58 | 2h22m | fix candidate | upstream | OK (0) job log | |
2024/03/01 05:41 | 1h35m | bisect fix | linux-6.1.y | OK (0) job log log | |
2024/01/21 16:21 | 1h52m | bisect fix | linux-6.1.y | OK (0) job log log |
loop0: detected capacity change from 0 to 4096 ntfs: (device loop0): is_boot_sector_ntfs(): Invalid end of sector marker. ================================================================== BUG: KASAN: use-after-free in ntfs_attr_find+0x7d6/0xd50 fs/ntfs/attrib.c:609 Read of size 2 at addr ffff88806e10f042 by task syz-executor418/4246 CPU: 1 PID: 4246 Comm: syz-executor418 Not tainted 6.1.119-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb 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 ntfs_attr_find+0x7d6/0xd50 fs/ntfs/attrib.c:609 ntfs_attr_lookup+0x4e0/0x2390 ntfs_read_locked_inode+0xa34/0x49c0 fs/ntfs/inode.c:666 ntfs_read_inode_mount+0xda2/0x2660 fs/ntfs/inode.c:2098 ntfs_fill_super+0x1880/0x2bd0 fs/ntfs/super.c:2855 mount_bdev+0x2c9/0x3f0 fs/super.c:1443 legacy_get_tree+0xeb/0x180 fs/fs_context.c:632 vfs_get_tree+0x88/0x270 fs/super.c:1573 do_new_mount+0x2ba/0xb40 fs/namespace.c:3056 do_mount fs/namespace.c:3399 [inline] __do_sys_mount fs/namespace.c:3607 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3584 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fe291e48dea Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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:00007ffc5a70cb08 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffc5a70cb20 RCX: 00007fe291e48dea RDX: 00000000200000c0 RSI: 00000000200001c0 RDI: 00007ffc5a70cb20 RBP: 0000000000000004 R08: 00007ffc5a70cb60 R09: 000000000001f63d R10: 0000000000000004 R11: 0000000000000286 R12: 0000000000000004 R13: 00007ffc5a70cb60 R14: 0000000000000003 R15: 0000000000200000 </TASK> The buggy address belongs to the physical page: page:ffffea0001b843c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x6e10f flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 ffffea0001b84408 ffff8880b8f411e0 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 0, migratetype Movable, gfp_mask 0x8(__GFP_MOVABLE), pid 1, tgid 1 (swapper/0), ts 17673896441, free_ts 19018173538 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2517 split_map_pages+0x246/0x510 mm/compaction.c:97 isolate_freepages_range+0x47c/0x4e0 mm/compaction.c:735 alloc_contig_range+0x62a/0x990 mm/page_alloc.c:9425 __alloc_contig_pages mm/page_alloc.c:9448 [inline] alloc_contig_pages+0x3f0/0x4e0 mm/page_alloc.c:9528 debug_vm_pgtable_alloc_huge_page+0xb9/0x108 mm/debug_vm_pgtable.c:1098 init_args+0xc92/0x1022 mm/debug_vm_pgtable.c:1221 debug_vm_pgtable+0xaa/0x46b mm/debug_vm_pgtable.c:1259 do_one_initcall+0x265/0x8f0 init/main.c:1298 do_initcall_level+0x157/0x207 init/main.c:1371 do_initcalls+0x49/0x86 init/main.c:1387 kernel_init_freeable+0x45c/0x60f init/main.c:1626 kernel_init+0x19/0x290 init/main.c:1514 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1444 [inline] free_pcp_prepare mm/page_alloc.c:1494 [inline] free_unref_page_prepare+0xf63/0x1120 mm/page_alloc.c:3369 free_unref_page+0x33/0x3e0 mm/page_alloc.c:3464 free_contig_range+0x9a/0x150 mm/page_alloc.c:9550 destroy_args+0xfe/0x997 mm/debug_vm_pgtable.c:1031 debug_vm_pgtable+0x416/0x46b mm/debug_vm_pgtable.c:1354 do_one_initcall+0x265/0x8f0 init/main.c:1298 do_initcall_level+0x157/0x207 init/main.c:1371 do_initcalls+0x49/0x86 init/main.c:1387 kernel_init_freeable+0x45c/0x60f init/main.c:1626 kernel_init+0x19/0x290 init/main.c:1514 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Memory state around the buggy address: ffff88806e10ef00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88806e10ef80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff88806e10f000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff88806e10f080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff88806e10f100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/12/08 23:20 | linux-6.1.y | e4d90d63d385 | 9ac0fdc6 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-6-1-kasan | KASAN: use-after-free Read in ntfs_attr_find | |
2024/05/16 08:27 | linux-6.1.y | 909ba1f1b414 | ef5d53ed | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-6-1-kasan-arm64 | KASAN: use-after-free Read in ntfs_attr_find | |
2023/12/22 04:53 | linux-6.1.y | 4aa6747d9352 | 4f9530a3 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-6-1-kasan-arm64 | KASAN: use-after-free Read in ntfs_attr_find |