Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/10/20 | upstream (ToT) | 715ca9dd687f | C | [report] KASAN: slab-out-of-bounds Read in sysv_new_inode |
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Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/10/20 | upstream (ToT) | 715ca9dd687f | C | [report] KASAN: slab-out-of-bounds Read in sysv_new_inode |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-4.19 | KASAN: use-after-free Read in sysv_new_block sysv | C | error | 4 | 713d | 743d | 0/1 | upstream: reported C repro on 2022/11/30 03:11 | |
upstream | KASAN: use-after-free Read in sysv_new_block fs | C | error | done | 295 | 3h58m | 742d | 0/28 | upstream: reported C repro on 2022/12/01 12:49 |
linux-6.1 | KASAN: use-after-free Read in sysv_new_block | 8 | 20h31m | 45d | 0/3 | upstream: reported on 2024/10/28 12:55 | |||
linux-4.14 | KASAN: use-after-free Read in sysv_new_block | C | 1 | 651d | 735d | 0/1 | upstream: reported C repro on 2022/12/08 01:50 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2024/11/19 02:51 | 11m | retest repro | linux-5.15.y | report log | |
2024/11/19 02:51 | 30m | retest repro | linux-5.15.y | report log |
unable to read i-node block ================================================================== BUG: KASAN: use-after-free in sysv_new_block+0x788/0x960 fs/sysv/balloc.c:113 Read of size 4 at addr ffff888065def0c8 by task syz-executor296/3587 CPU: 0 PID: 3587 Comm: syz-executor296 Not tainted 5.15.168-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 sysv_new_block+0x788/0x960 fs/sysv/balloc.c:113 alloc_branch fs/sysv/itree.c:134 [inline] get_block+0x2e7/0x1790 fs/sysv/itree.c:253 __block_write_begin_int+0x60b/0x1650 fs/buffer.c:2012 __block_write_begin fs/buffer.c:2062 [inline] block_write_begin+0x4f/0xc0 fs/buffer.c:2122 sysv_write_begin+0x36/0x70 fs/sysv/itree.c:487 __page_symlink+0x15b/0x2a0 fs/namei.c:5177 sysv_symlink+0xcb/0x180 fs/sysv/namei.c:86 vfs_symlink+0x247/0x3d0 fs/namei.c:4429 do_symlinkat+0x1fd/0x600 fs/namei.c:4458 __do_sys_symlink fs/namei.c:4480 [inline] __se_sys_symlink fs/namei.c:4478 [inline] __x64_sys_symlink+0x7a/0x90 fs/namei.c:4478 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: 0033:0x7f2ab20089e9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 1f 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2ab1fba228 EFLAGS: 00000246 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 00007f2ab2099468 RCX: 00007f2ab20089e9 RDX: 00007f2ab20089e9 RSI: 00000000200059c0 RDI: 00000000200049c0 RBP: 00007f2ab2099460 R08: 00007f2ab1fba6c0 R09: 00007f2ab1fba6c0 R10: 00007f2ab1fba6c0 R11: 0000000000000246 R12: 00007f2ab209946c R13: 0030656c69662f2e R14: 00007f2ab2055340 R15: 00007ffeec4f1de8 </TASK> The buggy address belongs to the page: page:ffffea0001977bc0 refcount:1 mapcount:1 mapping:0000000000000000 index:0x7fffffffb pfn:0x65def memcg:ffff888017284000 anon flags: 0xfff00000080014(uptodate|lru|swapbacked|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000080014 ffffea0001977b88 ffffea0001977c08 ffff88807d42a441 raw: 00000007fffffffb 0000000000000000 0000000100000000 ffff888017284000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Movable, gfp_mask 0x1100cca(GFP_HIGHUSER_MOVABLE), pid 3029, ts 46767703584, free_ts 10434344804 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 wp_page_copy+0x24e/0x2070 mm/memory.c:3043 handle_pte_fault mm/memory.c:4655 [inline] __handle_mm_fault mm/memory.c:4772 [inline] handle_mm_fault+0x2a3d/0x5960 mm/memory.c:4870 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:606 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+0x95/0x2d0 mm/page_alloc.c:3396 free_contig_range+0x95/0xf0 mm/page_alloc.c:9342 destroy_args+0xfe/0x980 mm/debug_vm_pgtable.c:1018 debug_vm_pgtable+0x40d/0x470 mm/debug_vm_pgtable.c:1331 do_one_initcall+0x22b/0x7a0 init/main.c:1302 do_initcall_level+0x157/0x210 init/main.c:1375 do_initcalls+0x49/0x90 init/main.c:1391 kernel_init_freeable+0x425/0x5c0 init/main.c:1615 kernel_init+0x19/0x290 init/main.c:1506 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Memory state around the buggy address: ffff888065deef80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888065def000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff888065def080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^ ffff888065def100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888065def180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/10/20 05:57 | linux-5.15.y | 584a40a22cb9 | cd6fc0a3 | .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 sysv_new_block | |
2024/10/20 06:07 | linux-5.15.y | 584a40a22cb9 | cd6fc0a3 | .config | console log | report | syz / log | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in sysv_new_block | ||
2024/12/11 06:25 | linux-5.15.y | 0a51d2d4527b | cfc402b4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in sysv_new_block | ||
2024/11/20 13:08 | linux-5.15.y | 0a51d2d4527b | 4fca1650 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in sysv_new_block | ||
2024/11/05 02:32 | linux-5.15.y | 72244eab0dad | 509da429 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in sysv_new_block | ||
2024/10/31 10:25 | linux-5.15.y | 74cdd62cb470 | 96eb609f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in sysv_new_block | ||
2024/10/28 11:34 | linux-5.15.y | 74cdd62cb470 | 65e8686b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in sysv_new_block | ||
2024/10/27 23:48 | linux-5.15.y | 74cdd62cb470 | 65e8686b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in sysv_new_block | ||
2024/10/20 05:31 | linux-5.15.y | 584a40a22cb9 | cd6fc0a3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: use-after-free Read in sysv_new_block | ||
2024/11/26 10:36 | linux-5.15.y | 0a51d2d4527b | e9a9a9f2 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: use-after-free Read in sysv_new_block | ||
2024/11/25 10:14 | linux-5.15.y | 0a51d2d4527b | 68da6d95 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: use-after-free Read in sysv_new_block | ||
2024/11/24 18:43 | linux-5.15.y | 0a51d2d4527b | 68da6d95 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: use-after-free Read in sysv_new_block | ||
2024/11/25 20:30 | linux-5.15.y | 0a51d2d4527b | 11dbc254 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: slab-out-of-bounds Read in sysv_new_block |