Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2025/09/23 | upstream (ToT) | cec1e6e5d1ab | C | [report] KASAN: out-of-bounds Read in ext4_xattr_set_entry |
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Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2025/09/23 | upstream (ToT) | cec1e6e5d1ab | C | [report] KASAN: out-of-bounds Read in ext4_xattr_set_entry |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2025/10/05 22:17 | 17m | retest repro | linux-5.15.y | report log | |
2025/07/01 03:42 | 15m | retest repro | linux-5.15.y | report log | |
2025/04/18 04:18 | 15m | retest repro | linux-5.15.y | report log |
option from the mount to silence this warning. ======================================================= EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. ================================================================== BUG: KASAN: out-of-bounds in ext4_xattr_set_entry+0x1c28/0x3d30 fs/ext4/xattr.c:1726 Read of size 18446744073709550672 at addr ffff8880608967b0 by task syz.0.17/4350 CPU: 0 PID: 4350 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: <TASK> dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106 print_address_description+0x60/0x2d0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:434 [inline] kasan_report+0xdf/0x130 mm/kasan/report.c:451 check_region_inline mm/kasan/generic.c:-1 [inline] kasan_check_range+0x27b/0x290 mm/kasan/generic.c:189 memmove+0x25/0x60 mm/kasan/shadow.c:54 ext4_xattr_set_entry+0x1c28/0x3d30 fs/ext4/xattr.c:1726 ext4_xattr_block_set+0x4f7/0x2d30 fs/ext4/xattr.c:1935 ext4_xattr_set_handle+0xbd5/0x12b0 fs/ext4/xattr.c:2421 ext4_xattr_set+0x22a/0x320 fs/ext4/xattr.c:2522 __vfs_setxattr+0x3e0/0x420 fs/xattr.c:182 __vfs_setxattr_noperm+0x129/0x5e0 fs/xattr.c:216 vfs_setxattr+0x168/0x2f0 fs/xattr.c:303 do_setxattr fs/xattr.c:588 [inline] setxattr+0x2da/0x300 fs/xattr.c:611 path_setxattr+0x142/0x280 fs/xattr.c:630 __do_sys_lsetxattr fs/xattr.c:653 [inline] __se_sys_lsetxattr fs/xattr.c:649 [inline] __x64_sys_lsetxattr+0xb4/0xd0 fs/xattr.c:649 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f66305a3c29 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:00007ffef8f73f58 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd RAX: ffffffffffffffda RBX: 00007f66307eafa0 RCX: 00007f66305a3c29 RDX: 0000200000000480 RSI: 00002000000000c0 RDI: 0000200000000100 RBP: 00007f6630626e41 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000fe37 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f66307eafa0 R14: 00007f66307eafa0 R15: 0000000000000005 </TASK> The buggy address belongs to the page: page:ffffea0001822580 refcount:2 mapcount:0 mapping:ffff88814088daf0 index:0x1c pfn:0x60896 memcg:ffff88802ade8000 aops:def_blk_aops ino:700000 flags: 0xfff0000000203a(referenced|dirty|lru|active|private|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff0000000203a ffffea000178dbc8 ffffea0001698f08 ffff88814088daf0 raw: 000000000000001c ffff88805d12f570 00000002ffffffff ffff88802ade8000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Movable, gfp_mask 0x108c48(GFP_NOFS|__GFP_NOFAIL|__GFP_HARDWALL|__GFP_MOVABLE), pid 4350, ts 73101871690, free_ts 71957336055 prep_new_page mm/page_alloc.c:2426 [inline] get_page_from_freelist+0x1b77/0x1c60 mm/page_alloc.c:4192 __alloc_pages+0x1e1/0x470 mm/page_alloc.c:5487 __page_cache_alloc+0xd2/0x3f0 mm/filemap.c:1022 pagecache_get_page+0x986/0xef0 mm/filemap.c:1940 find_or_create_page include/linux/pagemap.h:420 [inline] grow_dev_page fs/buffer.c:949 [inline] grow_buffers fs/buffer.c:1014 [inline] __getblk_slow fs/buffer.c:1041 [inline] __getblk_gfp+0x249/0xb70 fs/buffer.c:1336 sb_getblk include/linux/buffer_head.h:361 [inline] ext4_xattr_block_set+0x1d85/0x2d30 fs/ext4/xattr.c:2116 ext4_xattr_set_handle+0xbd5/0x12b0 fs/ext4/xattr.c:2421 ext4_xattr_set+0x22a/0x320 fs/ext4/xattr.c:2522 __vfs_setxattr+0x3e0/0x420 fs/xattr.c:182 __vfs_setxattr_noperm+0x129/0x5e0 fs/xattr.c:216 vfs_setxattr+0x168/0x2f0 fs/xattr.c:303 do_setxattr fs/xattr.c:588 [inline] setxattr+0x2da/0x300 fs/xattr.c:611 path_setxattr+0x142/0x280 fs/xattr.c:630 __do_sys_setxattr fs/xattr.c:646 [inline] __se_sys_setxattr fs/xattr.c:642 [inline] __x64_sys_setxattr+0xb7/0xd0 fs/xattr.c:642 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 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+0x637/0x6c0 mm/page_alloc.c:3317 free_unref_page_list+0x122/0x7e0 mm/page_alloc.c:3433 release_pages+0x184b/0x1bb0 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+0x164/0x2e0 mm/mmu_gather.c:338 exit_mmap+0x3a6/0x5f0 mm/mmap.c:3218 __mmput+0x115/0x3b0 kernel/fork.c:1127 exit_mm+0x567/0x6c0 kernel/exit.c:550 do_exit+0x5a1/0x20a0 kernel/exit.c:870 do_group_exit+0x12e/0x300 kernel/exit.c:997 __do_sys_exit_group kernel/exit.c:1008 [inline] __se_sys_exit_group kernel/exit.c:1006 [inline] __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1006 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Memory state around the buggy address: ffff888060896680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888060896700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff888060896780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^ ffff888060896800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888060896880: 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2025/09/21 19:13 | linux-5.15.y | 43bb85222e53 | 67c37560 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci2-linux-5-15-kasan | KASAN: out-of-bounds Read in ext4_xattr_set_entry | |
2025/04/04 04:18 | linux-5.15.y | 0c935c049b5c | d7ae3a11 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] | ci2-linux-5-15-kasan-arm64 | KASAN: out-of-bounds Read in ext4_xattr_set_entry | |
2025/09/21 18:10 | linux-5.15.y | 43bb85222e53 | 67c37560 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: out-of-bounds Read in ext4_xattr_set_entry | ||
2025/08/19 21:16 | linux-5.15.y | c79648372d02 | 254a27c1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: out-of-bounds Read in ext4_xattr_set_entry | ||
2025/07/03 02:54 | linux-5.15.y | 3dea0e7f549e | bc80e4f0 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: out-of-bounds Read in ext4_xattr_set_entry | ||
2025/07/03 02:54 | linux-5.15.y | 3dea0e7f549e | bc80e4f0 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: out-of-bounds Read in ext4_xattr_set_entry | ||
2025/06/15 15:04 | linux-5.15.y | 1c700860e8bc | 5f4b362d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: out-of-bounds Read in ext4_xattr_set_entry | ||
2025/06/14 20:41 | linux-5.15.y | 1c700860e8bc | 5f4b362d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: out-of-bounds Read in ext4_xattr_set_entry | ||
2025/06/14 20:40 | linux-5.15.y | 1c700860e8bc | 5f4b362d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: out-of-bounds Read in ext4_xattr_set_entry | ||
2025/06/11 20:46 | linux-5.15.y | 1c700860e8bc | 98683f8f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: out-of-bounds Read in ext4_xattr_set_entry | ||
2025/06/10 21:02 | linux-5.15.y | 1c700860e8bc | 5d7e17ca | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: out-of-bounds Read in ext4_xattr_set_entry | ||
2025/06/10 21:02 | linux-5.15.y | 1c700860e8bc | 5d7e17ca | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: out-of-bounds Read in ext4_xattr_set_entry | ||
2025/06/10 15:51 | linux-5.15.y | 1c700860e8bc | 4826c28e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: out-of-bounds Read in ext4_xattr_set_entry | ||
2025/06/09 20:13 | linux-5.15.y | 1c700860e8bc | 4826c28e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: out-of-bounds Read in ext4_xattr_set_entry | ||
2025/06/07 05:57 | linux-5.15.y | 1c700860e8bc | 4826c28e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: out-of-bounds Read in ext4_xattr_set_entry | ||
2025/06/07 05:55 | linux-5.15.y | 1c700860e8bc | 4826c28e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: out-of-bounds Read in ext4_xattr_set_entry | ||
2025/06/06 04:02 | linux-5.15.y | 1c700860e8bc | 6b6b5f21 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: out-of-bounds Read in ext4_xattr_set_entry | ||
2025/06/05 05:43 | linux-5.15.y | 1c700860e8bc | 6b6b5f21 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: out-of-bounds Read in ext4_xattr_set_entry | ||
2025/06/04 18:43 | linux-5.15.y | 1c700860e8bc | e565f08d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: out-of-bounds Read in ext4_xattr_set_entry | ||
2025/06/03 06:45 | linux-5.15.y | 98f47d0e9b8c | a30356b7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: out-of-bounds Read in ext4_xattr_set_entry | ||
2025/03/15 11:49 | linux-5.15.y | 0c935c049b5c | e2826670 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | KASAN: out-of-bounds Read in ext4_xattr_set_entry | ||
2025/06/08 19:36 | linux-5.15.y | 1c700860e8bc | 4826c28e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: out-of-bounds Read in ext4_xattr_set_entry | ||
2025/05/12 07:49 | linux-5.15.y | 3b8db0e4f263 | 77908e5f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: out-of-bounds Read in ext4_xattr_set_entry | ||
2025/04/04 03:18 | linux-5.15.y | 0c935c049b5c | d7ae3a11 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: out-of-bounds Read in ext4_xattr_set_entry | ||
2025/05/13 05:59 | linux-5.15.y | 3b8db0e4f263 | f6671af7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: slab-out-of-bounds Read in ext4_xattr_set_entry | ||
2025/05/13 05:58 | linux-5.15.y | 3b8db0e4f263 | f6671af7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | KASAN: slab-out-of-bounds Read in ext4_xattr_set_entry |