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| [syzbot] Monthly udf report (Oct 2025) | 0 (1) | 2025/10/27 12:50 |
| [syzbot] Monthly udf report (Sep 2025) | 0 (1) | 2025/09/26 05:14 |
| [syzbot] Monthly udf report (Jul 2025) | 0 (1) | 2025/07/26 20:43 |
| [syzbot] [udf?] KASAN: slab-out-of-bounds Write in udf_write_aext (2) | 0 (1) | 2025/07/15 07:05 |
| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| linux-5.15 | KASAN: slab-out-of-bounds Write in udf_write_aext origin:lts-only | 24 | C | error | 7050 | 413d | 1004d | 0/3 | auto-obsoleted due to no activity on 2025/01/22 09:20 | |
| linux-6.1 | KASAN: slab-out-of-bounds Write in udf_write_aext origin:lts-only | 24 | C | done | 5821 | 415d | 1004d | 0/3 | upstream: reported C repro on 2023/03/11 14:12 | |
| linux-4.14 | KASAN: slab-out-of-bounds Write in udf_write_aext udf f2fs tmpfs | 23 | C | 17 | 1010d | 1172d | 0/1 | upstream: reported C repro on 2022/09/25 01:59 | ||
| upstream | KASAN: slab-out-of-bounds Write in udf_write_aext udf | 24 | C | error | error | 674 | 1010d | 1170d | 0/29 | auto-obsoleted due to no activity on 2023/07/26 07:31 |
| linux-4.19 | KASAN: slab-out-of-bounds Write in udf_write_aext udf tmpfs erofs | 23 | C | error | 67 | 1010d | 1501d | 0/1 | upstream: reported C repro on 2021/10/31 06:20 |
loop0: detected capacity change from 2048 to 64 ================================================================== BUG: KASAN: slab-out-of-bounds in udf_write_aext+0x69d/0x7b0 fs/udf/inode.c:2167 Write of size 4 at addr ffff88803ec1d5d8 by task syz.0.0/5319 CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: <TASK> dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0xca/0x240 mm/kasan/report.c:482 kasan_report+0x118/0x150 mm/kasan/report.c:595 udf_write_aext+0x69d/0x7b0 fs/udf/inode.c:2167 __udf_add_aext+0x2b9/0x6d0 fs/udf/inode.c:2092 udf_table_free_blocks fs/udf/balloc.c:481 [inline] udf_free_blocks+0x1466/0x17f0 fs/udf/balloc.c:677 extent_trunc+0x35c/0x450 fs/udf/truncate.c:52 udf_truncate_extents+0x5b0/0xec0 fs/udf/truncate.c:271 udf_setsize+0x972/0x1000 fs/udf/inode.c:1324 udf_setattr+0x3a1/0x5a0 fs/udf/file.c:236 notify_change+0xc1a/0xf40 fs/attr.c:546 do_truncate+0x1a4/0x220 fs/open.c:68 vfs_truncate+0x493/0x520 fs/open.c:118 do_sys_truncate+0xdb/0x190 fs/open.c:141 __do_sys_truncate fs/open.c:153 [inline] __se_sys_truncate fs/open.c:151 [inline] __x64_sys_truncate+0x5b/0x70 fs/open.c:151 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5e59d8f749 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f5e5ac3e038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c RAX: ffffffffffffffda RBX: 00007f5e59fe6090 RCX: 00007f5e59d8f749 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00002000000013c0 RBP: 00007f5e59e13f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f5e59fe6128 R14: 00007f5e59fe6090 R15: 00007ffc4bd0cbc8 </TASK> Allocated by task 5318: kasan_save_stack mm/kasan/common.c:56 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:77 poison_kmalloc_redzone mm/kasan/common.c:400 [inline] __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:417 kasan_kmalloc include/linux/kasan.h:262 [inline] __do_kmalloc_node mm/slub.c:5650 [inline] __kmalloc_noprof+0x411/0x7f0 mm/slub.c:5662 kmalloc_noprof include/linux/slab.h:961 [inline] udf_alloc_i_data fs/udf/inode.c:1668 [inline] udf_read_inode fs/udf/inode.c:1480 [inline] __udf_iget+0xc66/0x3ae0 fs/udf/inode.c:1974 udf_iget_special fs/udf/udfdecl.h:147 [inline] udf_fill_partdesc_info+0x773/0x1320 fs/udf/super.c:1162 udf_load_partdesc fs/udf/super.c:1321 [inline] udf_process_sequence+0x111c/0x47e0 fs/udf/super.c:1846 udf_load_sequence fs/udf/super.c:1884 [inline] udf_check_anchor_block+0x28e/0x550 fs/udf/super.c:1919 udf_scan_anchors fs/udf/super.c:1973 [inline] udf_load_vrs+0x96d/0xf20 fs/udf/super.c:2033 udf_fill_super+0x5ad/0x17a0 fs/udf/super.c:2201 get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1698 vfs_get_tree+0x92/0x2b0 fs/super.c:1758 fc_mount fs/namespace.c:1199 [inline] do_new_mount_fc fs/namespace.c:3642 [inline] do_new_mount+0x302/0xa10 fs/namespace.c:3718 do_mount fs/namespace.c:4041 [inline] __do_sys_mount fs/namespace.c:4229 [inline] __se_sys_mount+0x313/0x410 fs/namespace.c:4206 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f The buggy address belongs to the object at ffff88803ec1d400 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 0 bytes to the right of allocated 472-byte region [ffff88803ec1d400, ffff88803ec1d5d8) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x3ec1c head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 ksm flags: 0x4fff00000000040(head|node=1|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 04fff00000000040 ffff88801a041c80 ffffea0000f27f80 dead000000000003 raw: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000 head: 04fff00000000040 ffff88801a041c80 ffffea0000f27f80 dead000000000003 head: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000 head: 04fff00000000001 ffffea0000fb0701 00000000ffffffff 00000000ffffffff head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 23984091264, free_ts 0 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x234/0x290 mm/page_alloc.c:1845 prep_new_page mm/page_alloc.c:1853 [inline] get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3879 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5178 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2416 alloc_slab_page mm/slub.c:3059 [inline] allocate_slab+0x96/0x350 mm/slub.c:3232 new_slab mm/slub.c:3286 [inline] ___slab_alloc+0xf56/0x1990 mm/slub.c:4655 __slab_alloc+0x65/0x100 mm/slub.c:4778 __slab_alloc_node mm/slub.c:4854 [inline] slab_alloc_node mm/slub.c:5276 [inline] __do_kmalloc_node mm/slub.c:5649 [inline] __kmalloc_node_track_caller_noprof+0x5c7/0x800 mm/slub.c:5759 __do_krealloc mm/slub.c:6991 [inline] krealloc_node_align_noprof+0x140/0x390 mm/slub.c:7050 add_sysfs_param+0xd4/0xa30 kernel/params.c:655 kernel_add_sysfs_param+0x7f/0xe0 kernel/params.c:812 param_sysfs_builtin+0x18a/0x230 kernel/params.c:851 param_sysfs_builtin_init+0x23/0x30 kernel/params.c:987 do_one_initcall+0x236/0x820 init/main.c:1283 do_initcall_level+0x104/0x190 init/main.c:1345 do_initcalls+0x59/0xa0 init/main.c:1361 page_owner free stack trace missing Memory state around the buggy address: ffff88803ec1d480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88803ec1d500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff88803ec1d580: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc ^ ffff88803ec1d600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88803ec1d680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ==================================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025/11/23 03:48 | upstream | 89edd36fd801 | 4fb8ef37 | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/11/17 11:25 | upstream | 6a23ae0a96a6 | c1ade9dd | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/11/16 12:39 | upstream | f824272b6e3f | f7988ea4 | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/11/15 17:29 | upstream | 7a0892d2836e | f7988ea4 | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/11/12 08:35 | upstream | 24172e0d7990 | 4e1406b4 | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/11/08 00:46 | upstream | da32d155f4a8 | 4e1406b4 | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/11/05 01:40 | upstream | c9cfc122f037 | a6c9c731 | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/11/02 13:52 | upstream | 691d401c7e0e | 2c50b6a9 | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/10/30 21:20 | upstream | e53642b87a4f | 2c50b6a9 | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/10/30 18:37 | upstream | e53642b87a4f | 2c50b6a9 | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/10/29 04:49 | upstream | 8eefed8f65cc | fd2207e7 | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/10/25 22:22 | upstream | 566771afc7a8 | c0460fcd | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/10/21 15:05 | upstream | 6548d364a3e8 | 9832ed61 | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/10/12 19:32 | upstream | 67029a49db6c | ff1712fe | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/10/12 09:58 | upstream | 98906f9d850e | ff1712fe | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/10/12 02:25 | upstream | 98906f9d850e | ff1712fe | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/10/11 01:23 | upstream | 917167ed1211 | ff1712fe | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/10/05 09:21 | upstream | 6093a688a07d | 49379ee0 | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/09/28 16:30 | upstream | 51a24b7deaae | 001c9061 | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/09/24 02:10 | upstream | cec1e6e5d1ab | e667a34f | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/07/27 10:29 | upstream | ec2df4364666 | fb8f743d | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/07/26 20:47 | upstream | 302f88ff3584 | fb8f743d | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/07/24 10:06 | upstream | f9af7b5d9349 | 0c1d6ded | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/07/23 04:56 | upstream | 89be9a83ccf1 | e1dd4f22 | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/07/13 13:02 | upstream | 3f31a806a62e | 3cda49cf | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/07/11 20:25 | upstream | 40f92e79b0aa | 3cda49cf | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/07/11 12:38 | upstream | bc9ff192a6c9 | 3cda49cf | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext | |||
| 2025/07/10 23:38 | upstream | bc9ff192a6c9 | 3cda49cf | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | KASAN: slab-out-of-bounds Write in udf_write_aext |