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Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2025/06/19 01:39 | 6m | retest repro | android13-5.10-lts | report log | |
2025/06/19 01:39 | 5m | retest repro | android13-5.10-lts | report log | |
2025/06/19 01:39 | 8m | retest repro | android13-5.10-lts | report log | |
2025/06/19 01:39 | 6m | retest repro | android13-5.10-lts | report log | |
2025/06/19 01:39 | 7m | retest repro | android13-5.10-lts | report log | |
2025/05/17 22:04 | 6m | retest repro | android13-5.10-lts | report log | |
2025/05/17 22:04 | 6m | retest repro | android13-5.10-lts | report log | |
2025/05/17 22:04 | 6m | retest repro | android13-5.10-lts | report log | |
2025/05/17 22:04 | 1h10m | retest repro | android13-5.10-lts | report log | |
2025/05/17 22:04 | 6m | retest repro | android13-5.10-lts | report log |
================================================================== BUG: KASAN: use-after-free in ext4_ext_binsearch fs/ext4/extents.c:826 [inline] BUG: KASAN: use-after-free in ext4_find_extent+0xbeb/0xe20 fs/ext4/extents.c:945 Read of size 4 at addr ffff88811f9bf018 by task kworker/u4:2/49 CPU: 1 PID: 49 Comm: kworker/u4:2 Not tainted 5.10.237-syzkaller-00010-gcf6ed0f1511d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: writeback wb_workfn (flush-7:0) Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:435 [inline] kasan_report+0xe2/0x130 mm/kasan/report.c:452 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308 ext4_ext_binsearch fs/ext4/extents.c:826 [inline] ext4_find_extent+0xbeb/0xe20 fs/ext4/extents.c:945 ext4_ext_map_blocks+0x1de/0x5d40 fs/ext4/extents.c:4159 ext4_map_blocks+0x978/0x1bc0 fs/ext4/inode.c:674 mpage_map_one_extent fs/ext4/inode.c:2452 [inline] mpage_map_and_submit_extent fs/ext4/inode.c:2505 [inline] ext4_writepages+0x11d5/0x2e00 fs/ext4/inode.c:2873 do_writepages+0x12a/0x270 mm/page-writeback.c:2380 __writeback_single_inode+0xd5/0xa20 fs/fs-writeback.c:1470 writeback_sb_inodes+0x860/0x1400 fs/fs-writeback.c:1733 wb_writeback+0x3e3/0xb90 fs/fs-writeback.c:1908 wb_do_writeback fs/fs-writeback.c:2053 [inline] wb_workfn+0x38f/0xe20 fs/fs-writeback.c:2094 process_one_work+0x6e1/0xba0 kernel/workqueue.c:2301 worker_thread+0xa6a/0x13b0 kernel/workqueue.c:2447 kthread+0x346/0x3d0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Allocated by task 235: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:430 [inline] __kasan_slab_alloc+0xbd/0xf0 mm/kasan/common.c:463 kasan_slab_alloc include/linux/kasan.h:244 [inline] slab_post_alloc_hook+0x5d/0x2f0 mm/slab.h:583 slab_alloc_node mm/slub.c:2947 [inline] slab_alloc mm/slub.c:2955 [inline] kmem_cache_alloc+0x165/0x2e0 mm/slub.c:2960 getname_flags+0xb9/0x500 fs/namei.c:141 getname+0x19/0x20 fs/namei.c:212 __do_sys_execve fs/exec.c:2100 [inline] __se_sys_execve fs/exec.c:2095 [inline] __x64_sys_execve+0x78/0xb0 fs/exec.c:2095 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb Freed by task 235: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:362 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:370 kasan_slab_free include/linux/kasan.h:220 [inline] slab_free_hook mm/slub.c:1595 [inline] slab_free_freelist_hook+0xc5/0x190 mm/slub.c:1621 slab_free mm/slub.c:3203 [inline] kmem_cache_free+0x100/0x2d0 mm/slub.c:3219 putname+0xfe/0x150 fs/namei.c:262 do_execveat_common+0x92b/0xaa0 fs/exec.c:1959 do_execve fs/exec.c:2024 [inline] __do_sys_execve fs/exec.c:2100 [inline] __se_sys_execve fs/exec.c:2095 [inline] __x64_sys_execve+0x92/0xb0 fs/exec.c:2095 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb The buggy address belongs to the object at ffff88811f9be600 which belongs to the cache names_cache of size 4096 The buggy address is located 2584 bytes inside of 4096-byte region [ffff88811f9be600, ffff88811f9bf600) The buggy address belongs to the page: page:ffffea00047e6e00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11f9b8 head:ffffea00047e6e00 order:3 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head) raw: 4000000000010200 dead000000000100 dead000000000122 ffff88810018a180 raw: 0000000000000000 0000000000070007 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 235, ts 19199351964, free_ts 19082087226 set_page_owner include/linux/page_owner.h:35 [inline] post_alloc_hook mm/page_alloc.c:2456 [inline] prep_new_page+0x179/0x180 mm/page_alloc.c:2462 get_page_from_freelist+0x2235/0x23d0 mm/page_alloc.c:4254 __alloc_pages_nodemask+0x268/0x5f0 mm/page_alloc.c:5349 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1808 [inline] new_slab+0x84/0x3f0 mm/slub.c:1869 new_slab_objects mm/slub.c:2627 [inline] ___slab_alloc+0x2a6/0x450 mm/slub.c:2791 __slab_alloc+0x63/0xa0 mm/slub.c:2831 slab_alloc_node mm/slub.c:2913 [inline] slab_alloc mm/slub.c:2955 [inline] kmem_cache_alloc+0x1af/0x2e0 mm/slub.c:2960 getname_flags+0xb9/0x500 fs/namei.c:141 getname+0x19/0x20 fs/namei.c:212 __do_sys_execve fs/exec.c:2100 [inline] __se_sys_execve fs/exec.c:2095 [inline] __x64_sys_execve+0x78/0xb0 fs/exec.c:2095 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb page last free stack trace: reset_page_owner include/linux/page_owner.h:28 [inline] free_pages_prepare mm/page_alloc.c:1349 [inline] __free_pages_ok+0x7fc/0x820 mm/page_alloc.c:1629 free_compound_page+0x73/0x90 mm/page_alloc.c:710 destroy_compound_page include/linux/mm.h:959 [inline] __put_compound_page+0x77/0xb0 mm/swap.c:117 __put_page+0xbd/0xe0 mm/swap.c:133 put_page include/linux/mm.h:1257 [inline] __skb_frag_unref include/linux/skbuff.h:3101 [inline] skb_release_data+0x21f/0x670 net/core/skbuff.c:620 skb_release_all net/core/skbuff.c:680 [inline] __kfree_skb+0x50/0x70 net/core/skbuff.c:694 sk_eat_skb include/net/sock.h:2653 [inline] tcp_recvmsg+0x1515/0x2e10 net/ipv4/tcp.c:2345 inet_recvmsg+0x134/0x470 net/ipv4/af_inet.c:864 sock_recvmsg_nosec net/socket.c:905 [inline] sock_recvmsg net/socket.c:923 [inline] sock_read_iter+0x2a2/0x340 net/socket.c:996 call_read_iter include/linux/fs.h:2052 [inline] new_sync_read fs/read_write.c:415 [inline] vfs_read+0x874/0xa10 fs/read_write.c:496 ksys_read+0x140/0x240 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb Memory state around the buggy address: ffff88811f9bef00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88811f9bef80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88811f9bf000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88811f9bf080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88811f9bf100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== EXT4-fs error (device loop0): ext4_ext_split:1073: inode #15: comm kworker/u4:2: p_ext > EXT_MAX_EXTENT! EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 84 with max blocks 2 with error 117 EXT4-fs (loop0): This should not happen!! Data will be lost EXT4-fs error (device loop0): ext4_ext_split:1073: inode #15: comm kworker/u4:2: p_ext > EXT_MAX_EXTENT! EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 84 with max blocks 2 with error 117 EXT4-fs (loop0): This should not happen!! Data will be lost EXT4-fs error (device loop0): ext4_map_blocks:740: inode #15: block 87638807674971: comm kworker/u4:2: lblock 84 mapped to illegal pblock 87638807674971 (length 2) EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 84 with max blocks 2 with error 117 EXT4-fs (loop0): This should not happen!! Data will be lost EXT4-fs error (device loop0): ext4_map_blocks:740: inode #15: block 1013612267859: comm kworker/u4:2: lblock 84 mapped to illegal pblock 1013612267859 (length 2) EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 84 with max blocks 2 with error 117 EXT4-fs (loop0): This should not happen!! Data will be lost EXT4-fs error (device loop0): ext4_map_blocks:740: inode #15: block 22913650493653: comm kworker/u4:2: lblock 84 mapped to illegal pblock 22913650493653 (length 2) EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 84 with max blocks 2 with error 117 EXT4-fs (loop0): This should not happen!! Data will be lost
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2025/06/04 13:09 | android13-5.10-lts | cf6ed0f1511d | e565f08d | .config | strace log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | |
2025/05/28 19:07 | android13-5.10-lts | cf6ed0f1511d | 3d2f584d | .config | strace log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | |
2025/04/18 21:12 | android13-5.10-lts | ba8b8b193394 | 2a20f901 | .config | strace log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | |
2025/02/10 01:47 | android13-5.10-lts | 6686f2996d23 | ef44b750 | .config | strace log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | |
2023/04/01 05:47 | android12-5.10-lts | 416c4356f372 | f325deb0 | .config | strace log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | |
2023/03/19 01:42 | android12-5.10-lts | 416c4356f372 | 7939252e | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | |
2025/03/15 07:32 | android13-5.10-lts | fc9aa81462ee | e2826670 | .config | console log | report | syz / log | [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2022/12/21 09:05 | android12-5.10-lts | 003c389455eb | d3e76707 | .config | strace log | report | syz | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2022/12/12 16:05 | android12-5.10-lts | f3226d86f8ce | 67be1ae7 | .config | strace log | report | syz | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2022/12/04 17:23 | android12-5.10-lts | 25af5a11f1da | e080de16 | .config | strace log | report | syz | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2022/12/26 07:48 | android12-5.10-lts | 003c389455eb | 9da18ae8 | .config | strace log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | |
2025/05/03 01:25 | android13-5.10-lts | ab07aeb2c93d | b0714e37 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2025/05/03 01:25 | android13-5.10-lts | ab07aeb2c93d | b0714e37 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2025/05/03 01:25 | android13-5.10-lts | ab07aeb2c93d | b0714e37 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2025/04/28 05:45 | android13-5.10-lts | ba8b8b193394 | c6b4fb39 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2025/03/25 20:48 | android13-5.10-lts | 094fc3778d6b | 875573af | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2025/02/10 01:03 | android13-5.10-lts | 6686f2996d23 | ef44b750 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2024/11/23 21:22 | android13-5.10-lts | b14940b90491 | 68da6d95 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2024/10/08 01:40 | android13-5.10-lts | e5e5644ea27f | d7906eff | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2024/10/05 09:57 | android13-5.10-lts | e5e5644ea27f | d7906eff | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2024/09/02 16:32 | android13-5.10-lts | 1c5354a314ea | 1eda0d14 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/09/10 01:17 | android13-5.10-lts | a27512601c2d | 6654cf89 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/09/09 20:25 | android13-5.10-lts | a27512601c2d | 6654cf89 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/06/12 10:23 | android13-5.10-lts | 43c801dc3325 | 49519f06 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/05/22 05:46 | android13-5.10-lts | 43c801dc3325 | 4bce1a3e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/04/26 09:25 | android12-5.10-lts | 416c4356f372 | 65320f8e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/04/06 18:08 | android12-5.10-lts | 416c4356f372 | 08707520 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/04/04 06:55 | android12-5.10-lts | 416c4356f372 | 41147e3e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/03/28 08:43 | android12-5.10-lts | 416c4356f372 | 47f3aaf1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/03/27 18:47 | android12-5.10-lts | 416c4356f372 | f8f96aa9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/03/16 12:53 | android12-5.10-lts | 416c4356f372 | 18b58603 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/03/14 03:54 | android12-5.10-lts | 416c4356f372 | 026e2200 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/03/11 04:18 | android12-5.10-lts | 416c4356f372 | 5205ef30 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/02/24 17:51 | android12-5.10-lts | 416c4356f372 | ee50e71c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2022/12/14 02:10 | android12-5.10-lts | 202ee063496e | f6511626 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: use-after-free Read in ext4_find_extent | ||
2023/03/03 01:51 | android12-5.10-lts | 416c4356f372 | f8902b57 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-10 | KASAN: slab-out-of-bounds Read in ext4_find_extent |