Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2023/07/15 | lts (merge base) | b1644a0031cf | C | [report] KASAN: use-after-free Read in get_max_inline_xattr_value_size |
2023/07/15 | upstream (ToT) | b6e6cc1f78c7 | C | Didn't crash |
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Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2023/07/15 | lts (merge base) | b1644a0031cf | C | [report] KASAN: use-after-free Read in get_max_inline_xattr_value_size |
2023/07/15 | upstream (ToT) | b6e6cc1f78c7 | C | Didn't crash |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
android-5-10 | KASAN: slab-out-of-bounds Read in get_max_inline_xattr_value_size ext4 | C | error | 4 | 623d | 702d | 2/2 | fixed on 2023/06/07 17:22 | |
upstream | KASAN: slab-out-of-bounds Read in get_max_inline_xattr_value_size ext4 | C | 21 | 581d | 619d | 22/28 | fixed on 2023/07/01 16:05 | ||
android-54 | KASAN: use-after-free Read in get_max_inline_xattr_value_size ext4 | C | 20 | 623d | 702d | 2/2 | fixed on 2023/06/07 17:22 | ||
android-54 | KASAN: use-after-free Read in get_max_inline_xattr_value_size (2) | C | 3 | 504d | 512d | 0/2 | auto-obsoleted due to no activity on 2023/10/31 04:10 | ||
android-5-15 | KASAN: use-after-free Read in get_max_inline_xattr_value_size ext4 | C | error | 4 | 623d | 702d | 2/2 | fixed on 2023/06/07 17:22 | |
linux-4.19 | KASAN: slab-out-of-bounds Read in get_max_inline_xattr_value_size ext4 | C | error | 1 | 681d | 681d | 0/1 | upstream: reported C repro on 2023/01/27 02:26 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2023/11/06 14:42 | 14m | retest repro | android14-6.1 | OK log | |
2023/08/28 14:12 | 14m | retest repro | android14-6.1 | report log |
loop0: detected capacity change from 0 to 2048 EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. EXT4-fs error (device loop0): ext4_xattr_ibody_get:619: inode #18: comm syz-executor289: corrupted in-inode xattr ================================================================== BUG: KASAN: use-after-free in get_max_inline_xattr_value_size+0x36e/0x510 fs/ext4/inline.c:62 Read of size 4 at addr ffff888121308004 by task syz-executor289/312 CPU: 1 PID: 312 Comm: syz-executor289 Not tainted 6.1.25-syzkaller-00027-ga24911abfd55 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:316 [inline] print_report+0x158/0x4e0 mm/kasan/report.c:427 kasan_report+0x13c/0x170 mm/kasan/report.c:531 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:350 get_max_inline_xattr_value_size+0x36e/0x510 fs/ext4/inline.c:62 ext4_get_max_inline_size+0x13d/0x1f0 fs/ext4/inline.c:113 ext4_try_to_write_inline_data+0xd3/0x1420 fs/ext4/inline.c:663 ext4_write_begin+0x200/0xfb0 fs/ext4/inode.c:1179 ext4_da_write_begin+0x2ff/0x920 fs/ext4/inode.c:2987 generic_perform_write+0x2f9/0x5c0 mm/filemap.c:3765 ext4_buffered_write_iter+0x360/0x640 fs/ext4/file.c:285 ext4_file_write_iter+0x194/0x1cf0 call_write_iter include/linux/fs.h:2215 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x8d1/0xe80 fs/read_write.c:584 ksys_write+0x199/0x2c0 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:646 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: 0033:0x7fc74bc54329 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdb248cf38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc74bc54329 RDX: 0000000000000001 RSI: 0000000020000280 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 431bde82d7b634db R15: 00007ffdb248cfa0 </TASK> The buggy address belongs to the physical page: page:ffffea000484c200 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x121308 flags: 0x4000000000000000(zone=1) raw: 4000000000000000 ffffea000484c248 ffffea000484c948 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 0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), pid 306, tgid 306 (syz-executor289), ts 24774942178, free_ts 24859714760 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x213/0x220 mm/page_alloc.c:2581 prep_new_page mm/page_alloc.c:2588 [inline] get_page_from_freelist+0x276c/0x2850 mm/page_alloc.c:4385 __alloc_pages+0x3a1/0x780 mm/page_alloc.c:5662 __folio_alloc+0x15/0x40 mm/page_alloc.c:5694 __folio_alloc_node include/linux/gfp.h:245 [inline] folio_alloc include/linux/gfp.h:274 [inline] shmem_alloc_folio mm/shmem.c:1578 [inline] shmem_alloc_and_acct_folio+0x78c/0xa50 mm/shmem.c:1603 shmem_get_folio_gfp+0x12d4/0x24b0 mm/shmem.c:1931 shmem_get_folio mm/shmem.c:2062 [inline] shmem_write_begin+0x164/0x3a0 mm/shmem.c:2550 generic_perform_write+0x2f9/0x5c0 mm/filemap.c:3765 __generic_file_write_iter+0x174/0x3a0 mm/filemap.c:3893 generic_file_write_iter+0xb1/0x310 mm/filemap.c:3925 call_write_iter include/linux/fs.h:2215 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x8d1/0xe80 fs/read_write.c:584 ksys_write+0x199/0x2c0 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:646 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 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1493 [inline] free_pcp_prepare mm/page_alloc.c:1567 [inline] free_unref_page_prepare+0x83d/0x850 mm/page_alloc.c:3484 free_unref_page_list+0xf6/0x6c0 mm/page_alloc.c:3626 release_pages+0xf7f/0xfe0 mm/swap.c:1055 __pagevec_release+0x84/0x100 mm/swap.c:1075 pagevec_release include/linux/pagevec.h:71 [inline] folio_batch_release include/linux/pagevec.h:135 [inline] shmem_undo_range+0x609/0x15b0 mm/shmem.c:949 shmem_truncate_range mm/shmem.c:1048 [inline] shmem_evict_inode+0x25f/0xa30 mm/shmem.c:1157 evict+0x2a3/0x630 fs/inode.c:664 iput_final fs/inode.c:1747 [inline] iput+0x642/0x870 fs/inode.c:1773 dentry_unlink_inode+0x34f/0x440 fs/dcache.c:401 __dentry_kill+0x447/0x650 fs/dcache.c:607 dentry_kill+0xc0/0x2a0 dput+0x160/0x310 fs/dcache.c:913 __fput+0x5f0/0x870 fs/file_table.c:328 ____fput+0x15/0x20 fs/file_table.c:348 task_work_run+0x24d/0x2e0 kernel/task_work.c:179 ptrace_notify+0x29e/0x350 kernel/signal.c:2357 Memory state around the buggy address: ffff888121307f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888121307f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff888121308000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff888121308080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff888121308100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ================================================================== EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:438: comm syz-executor289: Invalid block bitmap block 4294967295 in block_group 0
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/07/15 09:20 | android14-6.1 | a24911abfd55 | 35d9ecc5 | .config | strace log | report | syz | C | [mounted in repro] | ci2-android-6-1 | KASAN: use-after-free Read in get_max_inline_xattr_value_size | |
2023/10/11 14:48 | android14-6.1 | 83ebd502359f | 83165b57 | .config | console log | report | info | ci2-android-6-1 | KASAN: use-after-free Read in get_max_inline_xattr_value_size | |||
2023/10/09 00:39 | android14-6.1 | 1fe248991f96 | 5e837c76 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Read in get_max_inline_xattr_value_size | ||
2023/09/24 15:44 | android14-6.1 | 060ebb378d1c | 0b6a67ac | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Read in get_max_inline_xattr_value_size | ||
2023/07/17 14:13 | android14-6.1 | f6707f352b54 | 20f8b3c2 | .config | console log | report | info | ci2-android-6-1 | KASAN: use-after-free Read in get_max_inline_xattr_value_size | |||
2023/07/17 05:21 | android14-6.1 | f6707f352b54 | 35d9ecc5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Read in get_max_inline_xattr_value_size | ||
2023/07/16 16:49 | android14-6.1 | f6707f352b54 | 35d9ecc5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Read in get_max_inline_xattr_value_size | ||
2023/07/15 14:56 | android14-6.1 | f6707f352b54 | 35d9ecc5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Read in get_max_inline_xattr_value_size | ||
2023/07/15 11:08 | android14-6.1 | f6707f352b54 | 35d9ecc5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Read in get_max_inline_xattr_value_size | ||
2023/07/15 09:04 | android14-6.1 | a24911abfd55 | 35d9ecc5 | .config | console log | report | info | ci2-android-6-1 | KASAN: use-after-free Read in get_max_inline_xattr_value_size |