Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2023/11/26 | lts (merge base) | 12952a23a5da | C | [report] KASAN: use-after-free Read in trylock_super |
2023/11/26 | upstream (ToT) | d2da77f431ac | C | Didn't crash |
syzbot |
sign-in | mailing list | source | docs |
Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2023/11/26 | lts (merge base) | 12952a23a5da | C | [report] KASAN: use-after-free Read in trylock_super |
2023/11/26 | upstream (ToT) | d2da77f431ac | C | Didn't crash |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
android-54 | KASAN: use-after-free Write in trylock_super | 4 | 550d | 639d | 0/2 | auto-obsoleted due to no activity on 2023/09/19 19:51 | |||
android-5-10 | KASAN: use-after-free Write in trylock_super vfs | syz | inconclusive | 74 | 5d00h | 743d | 0/2 | premoderation: reported syz repro on 2022/11/30 20:27 | |
upstream | KASAN: slab-use-after-free Read in trylock_super fs | 1 | 621d | 617d | 0/28 | auto-obsoleted due to no activity on 2023/07/01 04:40 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2024/08/13 14:47 | 15m | retest repro | android13-5.15-lts | report log | |
2024/03/01 15:54 | 10m | retest repro | android13-5.15-lts | report log |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2024/10/15 02:33 | 0m | bisect fix | android13-5.15-lts | error job log | |
2024/06/04 13:04 | 1h33m | bisect fix | android13-5.15-lts | OK (0) job log log | |
2024/03/31 20:57 | 1h48m | bisect fix | android13-5.15-lts | OK (0) job log log |
================================================================== BUG: KASAN: use-after-free in instrument_atomic_read include/linux/instrumented.h:71 [inline] BUG: KASAN: use-after-free in atomic_long_read include/linux/atomic/atomic-instrumented.h:1183 [inline] BUG: KASAN: use-after-free in __down_read_trylock kernel/locking/rwsem.c:1319 [inline] BUG: KASAN: use-after-free in down_read_trylock+0x7c/0x300 kernel/locking/rwsem.c:1586 Read of size 8 at addr ffff8881146eb070 by task kworker/u4:1/10 CPU: 0 PID: 10 Comm: kworker/u4:1 Not tainted 5.15.137-syzkaller-01792-g61cfd264993d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 Workqueue: writeback wb_workfn (flush-7:1) Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106 print_address_description+0x87/0x3b0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:427 [inline] kasan_report+0x179/0x1c0 mm/kasan/report.c:444 kasan_check_range+0x293/0x2a0 mm/kasan/generic.c:189 __kasan_check_read+0x11/0x20 mm/kasan/shadow.c:31 instrument_atomic_read include/linux/instrumented.h:71 [inline] atomic_long_read include/linux/atomic/atomic-instrumented.h:1183 [inline] __down_read_trylock kernel/locking/rwsem.c:1319 [inline] down_read_trylock+0x7c/0x300 kernel/locking/rwsem.c:1586 trylock_super+0x1f/0xf0 fs/super.c:418 __writeback_inodes_wb+0x101/0x3f0 fs/fs-writeback.c:1975 wb_writeback+0x3cd/0x9e0 fs/fs-writeback.c:2089 wb_check_old_data_flush fs/fs-writeback.c:2189 [inline] wb_do_writeback fs/fs-writeback.c:2242 [inline] wb_workfn+0xb3d/0x1110 fs/fs-writeback.c:2271 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2317 worker_thread+0xad5/0x12a0 kernel/workqueue.c:2464 kthread+0x421/0x510 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 </TASK> Allocated by task 9105: 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:433 [inline] ____kasan_kmalloc+0xdb/0x110 mm/kasan/common.c:512 __kasan_kmalloc+0x9/0x10 mm/kasan/common.c:521 kasan_kmalloc include/linux/kasan.h:227 [inline] kmem_cache_alloc_trace+0x115/0x210 mm/slub.c:3267 kmalloc include/linux/slab.h:603 [inline] kzalloc include/linux/slab.h:733 [inline] alloc_super+0x5d/0x7d0 fs/super.c:203 sget+0x1e5/0x4c0 fs/super.c:624 mount_bdev+0xea/0x3b0 fs/super.c:1360 f2fs_mount+0x34/0x40 fs/f2fs/super.c:4551 legacy_get_tree+0xf1/0x190 fs/fs_context.c:611 vfs_get_tree+0x88/0x290 fs/super.c:1517 do_new_mount+0x28b/0xad0 fs/namespace.c:2994 path_mount+0x671/0x1070 fs/namespace.c:3324 do_mount fs/namespace.c:3337 [inline] __do_sys_mount fs/namespace.c:3545 [inline] __se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3522 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3522 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb Last potentially related work creation: kasan_save_stack+0x3b/0x60 mm/kasan/common.c:38 __kasan_record_aux_stack+0xd3/0xf0 mm/kasan/generic.c:348 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358 insert_work+0x56/0x320 kernel/workqueue.c:1373 __queue_work+0x92a/0xcd0 kernel/workqueue.c:1539 queue_work_on+0x105/0x170 kernel/workqueue.c:1566 queue_work include/linux/workqueue.h:509 [inline] schedule_work include/linux/workqueue.h:570 [inline] destroy_super_rcu+0xd1/0xe0 fs/super.c:172 rcu_do_batch+0x57a/0xc10 kernel/rcu/tree.c:2510 rcu_core+0x517/0x1020 kernel/rcu/tree.c:2750 rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2763 __do_softirq+0x26d/0x5bf kernel/softirq.c:565 Second to last potentially related work creation: kasan_save_stack+0x3b/0x60 mm/kasan/common.c:38 __kasan_record_aux_stack+0xd3/0xf0 mm/kasan/generic.c:348 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358 __call_rcu kernel/rcu/tree.c:2994 [inline] call_rcu+0x133/0x12a0 kernel/rcu/tree.c:3074 __put_super+0x26d/0x2e0 fs/super.c:299 put_super fs/super.c:313 [inline] deactivate_locked_super+0xe1/0x110 fs/super.c:346 deactivate_super+0xbe/0xf0 fs/super.c:366 cleanup_mnt+0x45c/0x510 fs/namespace.c:1143 __cleanup_mnt+0x19/0x20 fs/namespace.c:1150 task_work_run+0x129/0x190 kernel/task_work.c:164 ptrace_notify+0x29e/0x350 kernel/signal.c:2383 ptrace_report_syscall include/linux/tracehook.h:66 [inline] tracehook_report_syscall_exit include/linux/tracehook.h:130 [inline] arch_syscall_exit_tracehook include/linux/entry-common.h:297 [inline] syscall_exit_work kernel/entry/common.c:256 [inline] syscall_exit_to_user_mode_prepare kernel/entry/common.c:283 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:288 [inline] syscall_exit_to_user_mode+0xac/0x160 kernel/entry/common.c:301 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x61/0xcb The buggy address belongs to the object at ffff8881146eb000 which belongs to the cache kmalloc-2k of size 2048 The buggy address is located 112 bytes inside of 2048-byte region [ffff8881146eb000, ffff8881146eb800) The buggy address belongs to the page: page:ffffea000451ba00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff8881146eb000 pfn:0x1146e8 head:ffffea000451ba00 order:3 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head|zone=1) raw: 4000000000010200 ffffea000480ba08 ffffea0004365608 ffff888100043200 raw: ffff8881146eb000 0000000000080004 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 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 325, ts 25273862628, free_ts 25216980141 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x1a3/0x1b0 mm/page_alloc.c:2602 prep_new_page+0x1b/0x110 mm/page_alloc.c:2608 get_page_from_freelist+0x3550/0x35d0 mm/page_alloc.c:4482 __alloc_pages+0x206/0x5e0 mm/page_alloc.c:5773 allocate_slab mm/slub.c:1932 [inline] new_slab+0x9a/0x4e0 mm/slub.c:1995 ___slab_alloc+0x39e/0x830 mm/slub.c:3028 __slab_alloc+0x4a/0x90 mm/slub.c:3115 slab_alloc_node mm/slub.c:3206 [inline] slab_alloc mm/slub.c:3248 [inline] kmem_cache_alloc_trace+0x142/0x210 mm/slub.c:3265 kmem_cache_alloc_node_trace include/linux/slab.h:491 [inline] kmalloc_node include/linux/slab.h:621 [inline] kzalloc_node include/linux/slab.h:744 [inline] alloc_mem_cgroup_per_node_info mm/memcontrol.c:5176 [inline] mem_cgroup_alloc mm/memcontrol.c:5254 [inline] mem_cgroup_css_alloc+0x191/0x13a0 mm/memcontrol.c:5302 css_create kernel/cgroup/cgroup.c:5383 [inline] cgroup_apply_control_enable+0x351/0xd30 kernel/cgroup/cgroup.c:3200 cgroup_mkdir+0x11e6/0x1490 kernel/cgroup/cgroup.c:5601 kernfs_iop_mkdir+0x1c4/0x2d0 fs/kernfs/dir.c:1163 vfs_mkdir+0x3f6/0x610 fs/namei.c:3994 do_mkdirat+0x1eb/0x450 fs/namei.c:4019 __do_sys_mkdirat fs/namei.c:4034 [inline] __se_sys_mkdirat fs/namei.c:4032 [inline] __x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4032 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1469 [inline] free_pcp_prepare mm/page_alloc.c:1541 [inline] free_unref_page_prepare+0x7c8/0x7d0 mm/page_alloc.c:3531 free_unref_page+0xe6/0x730 mm/page_alloc.c:3613 free_the_page mm/page_alloc.c:802 [inline] __free_pages+0x61/0xf0 mm/page_alloc.c:5849 __free_slab+0xec/0x1d0 mm/slub.c:2020 free_slab mm/slub.c:2035 [inline] discard_slab mm/slub.c:2041 [inline] __unfreeze_partials+0x165/0x1a0 mm/slub.c:2527 put_cpu_partial+0xc4/0x120 mm/slub.c:2607 __slab_free+0x1c8/0x290 mm/slub.c:3388 do_slab_free mm/slub.c:3507 [inline] ___cache_free+0x109/0x120 mm/slub.c:3526 qlink_free+0x4d/0x90 mm/kasan/quarantine.c:157 qlist_free_all+0x44/0xb0 mm/kasan/quarantine.c:176 kasan_quarantine_reduce+0x15a/0x180 mm/kasan/quarantine.c:283 __kasan_slab_alloc+0x2f/0xe0 mm/kasan/common.c:443 kasan_slab_alloc include/linux/kasan.h:217 [inline] slab_post_alloc_hook+0x53/0x2c0 mm/slab.h:550 slab_alloc_node mm/slub.c:3240 [inline] slab_alloc mm/slub.c:3248 [inline] kmem_cache_alloc+0xf5/0x200 mm/slub.c:3253 kmem_cache_alloc_node include/linux/slab.h:474 [inline] __alloc_skb+0xbe/0x550 net/core/skbuff.c:416 alloc_skb_fclone include/linux/skbuff.h:1233 [inline] sk_stream_alloc_skb+0x1f8/0xad0 net/ipv4/tcp.c:887 Memory state around the buggy address: ffff8881146eaf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8881146eaf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff8881146eb000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8881146eb080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8881146eb100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/11/26 19:49 | android13-5.15-lts | 61cfd264993d | 5b429f39 | .config | strace log | report | syz | [disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2] | ci2-android-5-15 | KASAN: use-after-free Read in trylock_super | ||
2023/04/04 02:03 | android13-5.15-lts | 7364b7abbafb | 41147e3e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Write in trylock_super | ||
2023/03/18 15:57 | android13-5.15-lts | 5448b2fda85f | 7939252e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Write in trylock_super | ||
2023/03/10 17:25 | android13-5.15-lts | 5448b2fda85f | 5205ef30 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Write in trylock_super | ||
2023/01/18 20:41 | android13-5.15-lts | c73b4619ad86 | 4620c2d9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Write in trylock_super | ||
2022/12/21 14:46 | android13-5.15-lts | c73b4619ad86 | 4067838e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Write in trylock_super | ||
2022/12/09 03:31 | android13-5.15-lts | 7048384c9872 | 1034e5fa | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Write in trylock_super | ||
2022/12/07 03:01 | android13-5.15-lts | 92f701cae0bc | d88f3abb | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Write in trylock_super | ||
2024/08/19 22:23 | android13-5.15-lts | 29d153aabd54 | 9f0ab3fb | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in trylock_super | ||
2024/06/26 01:35 | android13-5.15-lts | 9044d25b8ff5 | dec8bc94 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in trylock_super | ||
2024/06/13 10:02 | android13-5.15-lts | 79bd336c7a94 | 2aa5052f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in trylock_super | ||
2024/02/16 15:47 | android13-5.15-lts | 993bed180178 | 578f7538 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in trylock_super | ||
2024/01/14 05:13 | android13-5.15-lts | ea2937bdd12f | 551587c1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in trylock_super | ||
2023/12/31 18:54 | android13-5.15-lts | 28e3f5851a99 | fb427a07 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in trylock_super | ||
2023/12/15 14:15 | android13-5.15-lts | 05ef4ccb5774 | 3222d10c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in trylock_super | ||
2023/11/23 10:13 | android13-5.15-lts | 61cfd264993d | fc59b78e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in trylock_super | ||
2023/11/22 18:41 | android13-5.15-lts | 61cfd264993d | 03e12510 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in trylock_super | ||
2023/11/10 17:56 | android13-5.15-lts | 61cfd264993d | 45e9b83e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in trylock_super | ||
2023/10/19 21:23 | android13-5.15-lts | 754f8cc9b7de | 42e1d524 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in trylock_super | ||
2023/10/17 13:29 | android13-5.15-lts | 754f8cc9b7de | 342b9c55 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in trylock_super | ||
2023/10/12 23:57 | android13-5.15-lts | ea586874d2f9 | 6388bc36 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in trylock_super | ||
2023/10/09 18:12 | android13-5.15-lts | ea586874d2f9 | 3c53c7d9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in trylock_super | ||
2023/08/13 00:46 | android13-5.15-lts | 1463976ddc64 | 39990d51 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in trylock_super | ||
2023/07/23 18:48 | android13-5.15-lts | 879959450ec7 | 27cbe77f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in trylock_super | ||
2023/06/25 13:56 | android13-5.15-lts | 565c3abfa129 | 79782afc | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in trylock_super | ||
2023/06/20 19:54 | android13-5.15-lts | 36f4f6fb72d5 | 09ffe269 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in trylock_super | ||
2023/06/05 14:55 | android13-5.15-lts | 19c0ed55a470 | a4ae4f42 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in trylock_super | ||
2023/06/02 21:03 | android13-5.15-lts | 19c0ed55a470 | a4ae4f42 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in trylock_super | ||
2023/05/28 10:40 | android13-5.15-lts | 19c0ed55a470 | cf184559 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in trylock_super | ||
2023/05/14 01:15 | android13-5.15-lts | 19c0ed55a470 | 2b9ba477 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in trylock_super | ||
2023/05/10 19:26 | android13-5.15-lts | 19c0ed55a470 | 14b12a99 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in trylock_super | ||
2023/05/04 09:25 | android13-5.15-lts | 19c0ed55a470 | 5b7ff9dd | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in trylock_super |