| Date | Name | Commit | Repro | Result |
|---|---|---|---|---|
| 2024/12/01 | lts (merge base) | 0d968ced7330 | C | [report] KASAN: use-after-free Write in enqueue_timer |
| 2024/12/01 | upstream (ToT) | bcc8eda6d349 | C | Didn't crash |
syzbot |
sign-in | mailing list | source | docs |
| Date | Name | Commit | Repro | Result |
|---|---|---|---|---|
| 2024/12/01 | lts (merge base) | 0d968ced7330 | C | [report] KASAN: use-after-free Write in enqueue_timer |
| 2024/12/01 | upstream (ToT) | bcc8eda6d349 | C | Didn't crash |
| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| android-54 | KASAN: use-after-free Write in enqueue_timer | C | 4288 | 155d | 662d | 0/2 | auto-obsoleted due to no activity on 2024/09/11 16:22 | ||
| upstream | KASAN: use-after-free Write in enqueue_timer net | 1 | 752d | 752d | 22/28 | fixed on 2023/02/24 13:50 | |||
| android-5-15 | KASAN: use-after-free Write in enqueue_timer | 1 | 322d | 322d | 0/2 | auto-obsoleted due to no activity on 2024/04/17 12:01 | |||
| upstream | KASAN: slab-use-after-free Write in enqueue_timer net | 18 | 570d | 585d | 0/28 | auto-obsoleted due to no activity on 2023/08/22 15:17 | |||
| upstream | KASAN: invalid-access Write in enqueue_timer ext4 | 20 | 1367d | 1389d | 0/28 | auto-closed as invalid on 2021/07/08 00:48 |
================================================================== BUG: KASAN: use-after-free in hlist_add_head include/linux/list.h:930 [inline] BUG: KASAN: use-after-free in enqueue_timer+0xa6/0x480 kernel/time/timer.c:611 Write of size 8 at addr ffff88810a438a00 by task kworker/u5:5/307 CPU: 1 PID: 307 Comm: kworker/u5:5 Not tainted 6.1.115-syzkaller-00041-ga887a44ace2a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: hci0 hci_power_on Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:316 [inline] print_report+0x158/0x4e0 mm/kasan/report.c:427 kasan_report+0x13c/0x170 mm/kasan/report.c:531 __asan_report_store8_noabort+0x17/0x20 mm/kasan/report_generic.c:356 hlist_add_head include/linux/list.h:930 [inline] enqueue_timer+0xa6/0x480 kernel/time/timer.c:611 internal_add_timer kernel/time/timer.c:640 [inline] __mod_timer+0x8d3/0xcf0 kernel/time/timer.c:1121 schedule_timeout+0x187/0x380 kernel/time/timer.c:1970 __hci_cmd_sync_sk+0x2ad/0xf70 net/bluetooth/hci_sync.c:166 __hci_cmd_sync_status_sk net/bluetooth/hci_sync.c:253 [inline] __hci_cmd_sync_status net/bluetooth/hci_sync.c:277 [inline] hci_read_local_features_sync net/bluetooth/hci_sync.c:3450 [inline] hci_init_stage_sync net/bluetooth/hci_sync.c:3361 [inline] hci_init1_sync net/bluetooth/hci_sync.c:3545 [inline] hci_init_sync net/bluetooth/hci_sync.c:4627 [inline] hci_dev_init_sync net/bluetooth/hci_sync.c:4818 [inline] hci_dev_open_sync+0x1314/0x30a0 net/bluetooth/hci_sync.c:4898 hci_dev_do_open net/bluetooth/hci_core.c:439 [inline] hci_power_on+0x1a7/0x5e0 net/bluetooth/hci_core.c:945 process_one_work+0x73d/0xcb0 kernel/workqueue.c:2299 worker_thread+0xa60/0x1260 kernel/workqueue.c:2446 kthread+0x26d/0x300 kernel/kthread.c:386 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 </TASK> Allocated by task 342: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:52 kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505 ____kasan_kmalloc mm/kasan/common.c:379 [inline] __kasan_kmalloc+0x9c/0xb0 mm/kasan/common.c:388 kasan_kmalloc include/linux/kasan.h:212 [inline] __do_kmalloc_node mm/slab_common.c:938 [inline] __kmalloc+0xb4/0x1e0 mm/slab_common.c:951 kmalloc include/linux/slab.h:562 [inline] kzalloc include/linux/slab.h:693 [inline] hci_alloc_dev_priv+0x27/0x1c00 net/bluetooth/hci_core.c:2435 hci_alloc_dev include/net/bluetooth/hci_core.h:1484 [inline] hci_uart_register_dev drivers/bluetooth/hci_ldisc.c:636 [inline] hci_uart_set_proto drivers/bluetooth/hci_ldisc.c:712 [inline] hci_uart_tty_ioctl+0x401/0xa70 drivers/bluetooth/hci_ldisc.c:765 tty_ioctl+0x903/0xc50 drivers/tty/tty_io.c:2785 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0x114/0x190 fs/ioctl.c:856 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:856 x64_sys_call+0x98/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 Freed by task 348: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:52 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:516 ____kasan_slab_free+0x131/0x180 mm/kasan/common.c:241 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:249 kasan_slab_free include/linux/kasan.h:178 [inline] slab_free_hook mm/slub.c:1745 [inline] slab_free_freelist_hook mm/slub.c:1771 [inline] slab_free mm/slub.c:3686 [inline] __kmem_cache_free+0x21d/0x410 mm/slub.c:3702 kfree+0x7a/0xf0 mm/slab_common.c:990 hci_release_dev+0x14d3/0x1640 net/bluetooth/hci_core.c:2763 bt_host_release+0x83/0xa0 net/bluetooth/hci_sysfs.c:92 device_release+0x95/0x1c0 kobject_cleanup lib/kobject.c:681 [inline] kobject_release lib/kobject.c:712 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x178/0x260 lib/kobject.c:729 put_device+0x1f/0x30 drivers/base/core.c:3797 hci_dev_put include/net/bluetooth/hci_core.h:1444 [inline] hci_dev_cmd+0x2be/0x9b0 net/bluetooth/hci_core.c:795 hci_sock_ioctl+0x415/0x7f0 net/bluetooth/hci_sock.c:1096 sock_do_ioctl+0x152/0x450 net/socket.c:1194 sock_ioctl+0x455/0x740 net/socket.c:1311 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0x114/0x190 fs/ioctl.c:856 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:856 x64_sys_call+0x98/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 Last potentially related work creation: kasan_save_stack+0x3b/0x60 mm/kasan/common.c:45 __kasan_record_aux_stack+0xb4/0xc0 mm/kasan/generic.c:486 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:496 insert_work+0x56/0x310 kernel/workqueue.c:1368 __queue_work+0x9b6/0xd70 kernel/workqueue.c:1527 queue_work_on+0x105/0x170 kernel/workqueue.c:1555 queue_work include/linux/workqueue.h:510 [inline] hci_cmd_sync_run net/bluetooth/hci_sync.c:140 [inline] __hci_cmd_sync_sk+0xc2a/0xf70 net/bluetooth/hci_sync.c:162 __hci_cmd_sync_status_sk net/bluetooth/hci_sync.c:253 [inline] __hci_cmd_sync_status net/bluetooth/hci_sync.c:277 [inline] hci_cmd_sync_status+0x52/0x130 net/bluetooth/hci_sync.c:288 hci_dev_cmd+0x771/0x9b0 hci_sock_ioctl+0x415/0x7f0 net/bluetooth/hci_sock.c:1096 sock_do_ioctl+0x152/0x450 net/socket.c:1194 sock_ioctl+0x455/0x740 net/socket.c:1311 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0x114/0x190 fs/ioctl.c:856 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:856 x64_sys_call+0x98/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 Second to last potentially related work creation: kasan_save_stack+0x3b/0x60 mm/kasan/common.c:45 __kasan_record_aux_stack+0xb4/0xc0 mm/kasan/generic.c:486 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:496 insert_work+0x56/0x310 kernel/workqueue.c:1368 __queue_work+0x9b6/0xd70 kernel/workqueue.c:1527 queue_work_on+0x105/0x170 kernel/workqueue.c:1555 queue_work include/linux/workqueue.h:510 [inline] hci_cmd_sync_run net/bluetooth/hci_sync.c:140 [inline] __hci_cmd_sync_sk+0xc2a/0xf70 net/bluetooth/hci_sync.c:162 __hci_cmd_sync_status_sk net/bluetooth/hci_sync.c:253 [inline] __hci_cmd_sync_status net/bluetooth/hci_sync.c:277 [inline] hci_cmd_sync_status+0x52/0x130 net/bluetooth/hci_sync.c:288 hci_dev_cmd+0x771/0x9b0 hci_sock_ioctl+0x415/0x7f0 net/bluetooth/hci_sock.c:1096 sock_do_ioctl+0x152/0x450 net/socket.c:1194 sock_ioctl+0x455/0x740 net/socket.c:1311 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0x114/0x190 fs/ioctl.c:856 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:856 x64_sys_call+0x98/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 The buggy address belongs to the object at ffff88810a438000 which belongs to the cache kmalloc-8k of size 8192 The buggy address is located 2560 bytes inside of 8192-byte region [ffff88810a438000, ffff88810a43a000) The buggy address belongs to the physical page: page:ffffea0004290e00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10a438 head:ffffea0004290e00 order:3 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head|zone=1) raw: 4000000000010200 ffffea0004291200 dead000000000002 ffff888100043500 raw: 0000000000000000 0000000000020002 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 1, tgid 1 (swapper/0), ts 2130354213, free_ts 0 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x213/0x220 mm/page_alloc.c:2590 prep_new_page+0x1b/0x110 mm/page_alloc.c:2597 get_page_from_freelist+0x2980/0x2a10 mm/page_alloc.c:4439 __alloc_pages+0x234/0x610 mm/page_alloc.c:5728 alloc_slab_page+0x6c/0xf0 allocate_slab mm/slub.c:1962 [inline] new_slab+0x90/0x3e0 mm/slub.c:2015 ___slab_alloc+0x6f9/0xb80 mm/slub.c:3203 __slab_alloc+0x5d/0xa0 mm/slub.c:3302 slab_alloc_node mm/slub.c:3387 [inline] __kmem_cache_alloc_node+0x207/0x2a0 mm/slub.c:3462 __do_kmalloc_node mm/slab_common.c:937 [inline] __kmalloc_node+0xa3/0x1e0 mm/slab_common.c:945 kmalloc_node include/linux/slab.h:583 [inline] kvmalloc_node+0x221/0x640 mm/util.c:592 kvzalloc_node include/linux/slab.h:714 [inline] sbitmap_init_node+0x48b/0x5f0 lib/sbitmap.c:113 scsi_realloc_sdev_budget_map+0x2a3/0x450 drivers/scsi/scsi_scan.c:246 scsi_alloc_sdev+0x86c/0xb30 drivers/scsi/scsi_scan.c:357 scsi_probe_and_add_lun+0x17f/0x4070 drivers/scsi/scsi_scan.c:1188 __scsi_scan_target+0x20a/0xea0 drivers/scsi/scsi_scan.c:1724 page_owner free stack trace missing Memory state around the buggy address: ffff88810a438900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88810a438980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88810a438a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88810a438a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88810a438b00: 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024/12/02 01:46 | android14-6.1 | a887a44ace2a | 68914665 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | |
| 2024/12/01 21:59 | android14-6.1 | a887a44ace2a | 68914665 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | |
| 2024/12/01 20:12 | android14-6.1 | a887a44ace2a | 68914665 | .config | strace log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | |
| 2024/12/01 16:27 | android14-6.1 | a887a44ace2a | 68914665 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | |
| 2024/12/01 13:55 | android14-6.1 | a887a44ace2a | 68914665 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | |
| 2024/12/01 08:46 | android14-6.1 | a887a44ace2a | 68914665 | .config | strace log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | |
| 2024/12/01 04:38 | android14-6.1 | a887a44ace2a | 68914665 | .config | strace log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | |
| 2024/12/02 19:32 | android14-6.1 | cdea241bf6f9 | b499ea68 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/12/02 11:52 | android14-6.1 | a887a44ace2a | b499ea68 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/11/16 18:11 | android14-6.1 | defe0024cfb0 | cfe3a04a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/11/11 06:44 | android14-6.1 | eef3d33656ce | 6b856513 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/11/06 13:42 | android14-6.1 | 976b055754d7 | 3a465482 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/10/27 07:49 | android14-6.1 | a874ed06eb34 | 65e8686b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/09/24 09:03 | android14-6.1 | 2cd8ac816de5 | 89298aad | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/08/20 17:39 | android14-6.1 | edca080b95df | 9f0ab3fb | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/08/16 06:56 | android14-6.1 | d6a513a78492 | e4bacdaf | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/08/15 06:36 | android14-6.1 | 64b0e0b28508 | e4bacdaf | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/08/14 08:03 | android14-6.1 | 660e1a26952b | 07a4d4ad | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/08/13 13:36 | android14-6.1 | 79436849ef1d | f21a18ca | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/08/08 02:22 | android14-6.1 | 1bb38f786569 | de12cf65 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/08/08 02:22 | android14-6.1 | 1bb38f786569 | de12cf65 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/08/07 12:20 | android14-6.1 | 1bb38f786569 | 1ef9fe42 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/08/06 17:57 | android14-6.1 | 1bb38f786569 | 1ef9fe42 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/08/06 14:48 | android14-6.1 | 37391192a93a | 1ef9fe42 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/08/06 09:22 | android14-6.1 | 37391192a93a | e1bdb00a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/08/06 09:16 | android14-6.1 | 37391192a93a | e1bdb00a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/08/06 08:58 | android14-6.1 | 37391192a93a | e1bdb00a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/08/05 05:32 | android14-6.1 | 6aafd06a463b | 1786a2a8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/08/03 23:59 | android14-6.1 | 6aafd06a463b | 1786a2a8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/07/20 07:38 | android14-6.1 | 6d6afa9d3f8f | b88348e9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/07/18 13:19 | android14-6.1 | fc94b39f6687 | 71884c12 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/07/16 17:19 | android14-6.1 | 4965ad067b76 | b66b37bd | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/06/17 10:01 | android14-6.1 | c0618d182a9c | 88722c0f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer | ||
| 2024/06/16 14:57 | android14-6.1 | 25216be1ac5e | f429ab00 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-6-1 | KASAN: use-after-free Write in enqueue_timer |