Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/11/02 | upstream (ToT) | 11066801dd4b | C | [report] KASAN: use-after-free Read in __ocfs2_find_path |
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Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/11/02 | upstream (ToT) | 11066801dd4b | C | [report] KASAN: use-after-free Read in __ocfs2_find_path |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KASAN: use-after-free Read in __ocfs2_find_path ocfs2 | C | inconclusive | 58 | 2d04h | 56d | 0/28 | upstream: reported C repro on 2024/10/09 20:34 | |
linux-6.1 | KASAN: use-after-free Read in __ocfs2_find_path origin:upstream | C | 5 | 22d | 59d | 0/3 | upstream: reported C repro on 2024/10/07 07:25 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2024/10/20 18:50 | 17m | retest repro | linux-5.15.y | report log | |
2024/10/20 18:50 | 18m | retest repro | linux-5.15.y | report log | |
2024/10/20 18:50 | 17m | retest repro | linux-5.15.y | report log |
loop0: detected capacity change from 0 to 32768 ================================================================== BUG: KASAN: use-after-free in __ocfs2_find_path+0x1ff/0x7e0 fs/ocfs2/alloc.c:1817 Read of size 4 at addr ffff888065aa7000 by task syz-executor423/3570 CPU: 0 PID: 3570 Comm: syz-executor423 Not tainted 5.15.167-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+0x1e3/0x2d0 lib/dump_stack.c:106 print_address_description+0x63/0x3b0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:434 [inline] kasan_report+0x16b/0x1c0 mm/kasan/report.c:451 __ocfs2_find_path+0x1ff/0x7e0 fs/ocfs2/alloc.c:1817 ocfs2_find_leaf+0xcb/0x220 fs/ocfs2/alloc.c:1931 ocfs2_get_clusters_nocache+0x1a9/0xbe0 fs/ocfs2/extent_map.c:418 ocfs2_get_clusters+0x5b5/0xbc0 fs/ocfs2/extent_map.c:621 ocfs2_extent_map_get_blocks+0x248/0x7d0 fs/ocfs2/extent_map.c:668 ocfs2_read_virt_blocks+0x2ea/0xa10 fs/ocfs2/extent_map.c:977 ocfs2_read_dir_block fs/ocfs2/dir.c:508 [inline] ocfs2_find_entry_el fs/ocfs2/dir.c:715 [inline] ocfs2_find_entry+0x437/0x26d0 fs/ocfs2/dir.c:1080 ocfs2_find_files_on_disk+0xea/0x310 fs/ocfs2/dir.c:1982 ocfs2_lookup_ino_from_name+0xad/0x1e0 fs/ocfs2/dir.c:2004 _ocfs2_get_system_file_inode fs/ocfs2/sysfile.c:136 [inline] ocfs2_get_system_file_inode+0x314/0x7b0 fs/ocfs2/sysfile.c:112 ocfs2_init_global_system_inodes+0x328/0x720 fs/ocfs2/super.c:458 ocfs2_initialize_super fs/ocfs2/super.c:2276 [inline] ocfs2_fill_super+0x479e/0x58a0 fs/ocfs2/super.c:995 mount_bdev+0x2c9/0x3f0 fs/super.c:1398 legacy_get_tree+0xeb/0x180 fs/fs_context.c:611 vfs_get_tree+0x88/0x270 fs/super.c:1528 do_new_mount+0x2ba/0xb40 fs/namespace.c:3005 do_mount fs/namespace.c:3348 [inline] __do_sys_mount fs/namespace.c:3556 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3533 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f1f9135743a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 1e 09 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1f91309088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f1f913090a0 RCX: 00007f1f9135743a RDX: 0000000020004440 RSI: 0000000020000780 RDI: 00007f1f913090a0 RBP: 0000000000000004 R08: 00007f1f913090e0 R09: 0000000000004444 R10: 0000000001000000 R11: 0000000000000282 R12: 00007f1f913090e0 R13: 0000000001000000 R14: 0000000000000003 R15: 0000000001000000 </TASK> The buggy address belongs to the page: page:ffffea000196a9c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x65aa7 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 ffffea000196aa08 ffff8880b9040960 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 0x1100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), pid 3570, ts 46687290697, free_ts 46789887949 prep_new_page mm/page_alloc.c:2426 [inline] get_page_from_freelist+0x322a/0x33c0 mm/page_alloc.c:4159 __alloc_pages+0x272/0x700 mm/page_alloc.c:5423 alloc_pages_vma+0x39a/0x800 mm/mempolicy.c:2146 do_anonymous_page mm/memory.c:3808 [inline] handle_pte_fault mm/memory.c:4618 [inline] __handle_mm_fault mm/memory.c:4755 [inline] handle_mm_fault+0x2f49/0x5960 mm/memory.c:4853 do_user_addr_fault arch/x86/mm/fault.c:1357 [inline] handle_page_fault arch/x86/mm/fault.c:1445 [inline] exc_page_fault+0x271/0x700 arch/x86/mm/fault.c:1501 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:568 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1340 [inline] free_pcp_prepare mm/page_alloc.c:1391 [inline] free_unref_page_prepare+0xc34/0xcf0 mm/page_alloc.c:3317 free_unref_page_list+0x1f7/0x8e0 mm/page_alloc.c:3433 release_pages+0x1bb9/0x1f40 mm/swap.c:963 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline] tlb_flush_mmu_free mm/mmu_gather.c:240 [inline] tlb_flush_mmu mm/mmu_gather.c:247 [inline] tlb_finish_mmu+0x177/0x320 mm/mmu_gather.c:338 unmap_region+0x304/0x350 mm/mmap.c:2668 __do_munmap+0x12db/0x1740 mm/mmap.c:2899 __vm_munmap+0x134/0x230 mm/mmap.c:2922 __do_sys_munmap mm/mmap.c:2948 [inline] __se_sys_munmap mm/mmap.c:2944 [inline] __x64_sys_munmap+0x67/0x70 mm/mmap.c:2944 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Memory state around the buggy address: ffff888065aa6f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888065aa6f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff888065aa7000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff888065aa7080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff888065aa7100: 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/10/05 21:04 | linux-5.15.y | 3a5928702e71 | d7906eff | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in __ocfs2_find_path | |
2024/10/05 21:23 | linux-5.15.y | 3a5928702e71 | d7906eff | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-5-15-kasan-arm64 | KASAN: use-after-free Read in __ocfs2_find_path | |
2024/10/05 21:05 | linux-5.15.y | 3a5928702e71 | d7906eff | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-5-15-kasan-arm64 | KASAN: use-after-free Read in __ocfs2_find_path | |
2024/11/13 04:56 | linux-5.15.y | 3c17fc483905 | 62026c85 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in __ocfs2_find_path | ||
2024/11/13 04:55 | linux-5.15.y | 3c17fc483905 | 62026c85 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in __ocfs2_find_path | ||
2024/10/05 20:50 | linux-5.15.y | 3a5928702e71 | d7906eff | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in __ocfs2_find_path | ||
2024/10/05 20:48 | linux-5.15.y | 3a5928702e71 | d7906eff | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in __ocfs2_find_path | ||
2024/11/12 18:00 | linux-5.15.y | 3c17fc483905 | 75bb1b32 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: use-after-free Read in __ocfs2_find_path | ||
2024/11/12 17:58 | linux-5.15.y | 3c17fc483905 | 75bb1b32 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: use-after-free Read in __ocfs2_find_path | ||
2024/10/05 20:48 | linux-5.15.y | 3a5928702e71 | d7906eff | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: use-after-free Read in __ocfs2_find_path | ||
2024/10/05 20:45 | linux-5.15.y | 3a5928702e71 | d7906eff | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: use-after-free Read in __ocfs2_find_path |