Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KASAN: use-after-free Write in init_timer_key batman | 1 | 780d | 780d | 0/27 | auto-obsoleted due to no activity on 2022/10/11 08:45 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KASAN: use-after-free Write in init_timer_key batman | 1 | 780d | 780d | 0/27 | auto-obsoleted due to no activity on 2022/10/11 08:45 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2023/02/28 18:50 | 30m | bisect fix | linux-4.14.y | OK (0) job log log | |
2023/01/27 13:29 | 34m | bisect fix | linux-4.14.y | OK (0) job log log | |
2022/11/19 07:19 | 26m | bisect fix | linux-4.14.y | OK (0) job log log | |
2022/10/20 06:44 | 34m | bisect fix | linux-4.14.y | OK (0) job log log | |
2022/09/15 15:44 | 31m | bisect fix | linux-4.14.y | OK (0) job log log | |
2022/08/16 15:11 | 30m | bisect fix | linux-4.14.y | OK (0) job log log | |
2022/07/17 13:46 | 28m | bisect fix | linux-4.14.y | OK (0) job log log | |
2022/06/17 13:03 | 42m | bisect fix | linux-4.14.y | OK (0) job log log | |
2022/05/18 12:29 | 34m | bisect fix | linux-4.14.y | OK (0) job log log | |
2022/04/18 11:58 | 29m | bisect fix | linux-4.14.y | OK (0) job log log | |
2022/03/19 11:20 | 37m | bisect fix | linux-4.14.y | OK (0) job log log | |
2022/02/16 11:39 | 38m | bisect fix | linux-4.14.y | OK (0) job log log | |
2022/01/17 11:09 | 29m | bisect fix | linux-4.14.y | OK (0) job log log | |
2021/12/18 10:05 | 29m | bisect fix | linux-4.14.y | OK (0) job log log | |
2021/11/18 09:30 | 34m | bisect fix | linux-4.14.y | OK (0) job log log | |
2021/10/19 08:58 | 32m | bisect fix | linux-4.14.y | OK (0) job log log | |
2021/09/19 08:21 | 36m | bisect fix | linux-4.14.y | OK (0) job log log | |
2021/08/20 07:00 | 40m | bisect fix | linux-4.14.y | OK (0) job log log | |
2021/07/21 06:29 | 30m | bisect fix | linux-4.14.y | OK (0) job log log | |
2021/06/21 05:51 | 30m | bisect fix | linux-4.14.y | OK (0) job log log | |
2021/05/21 18:34 | 39m | bisect fix | linux-4.14.y | OK (0) job log log | |
2021/04/21 17:59 | 35m | bisect fix | linux-4.14.y | OK (0) job log log | |
2021/03/22 17:21 | 34m | bisect fix | linux-4.14.y | OK (0) job log log | |
2021/02/20 16:05 | 35m | bisect fix | linux-4.14.y | OK (0) job log log | |
2021/02/17 21:54 | 18m | bisect fix | linux-4.14.y | error job log |
Bluetooth: hci4 command 0x040f tx timeout ================================================================== BUG: KASAN: use-after-free in do_init_timer kernel/time/timer.c:762 [inline] BUG: KASAN: use-after-free in init_timer_key+0x2e0/0x300 kernel/time/timer.c:782 Write of size 8 at addr ffff88809addaa58 by task syz-executor222/9275 CPU: 0 PID: 9275 Comm: syz-executor222 Not tainted 4.14.193-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 print_address_description.cold+0x54/0x1d3 mm/kasan/report.c:252 kasan_report_error.cold+0x8a/0x194 mm/kasan/report.c:351 kasan_report mm/kasan/report.c:409 [inline] __asan_report_store8_noabort+0x68/0x70 mm/kasan/report.c:435 do_init_timer kernel/time/timer.c:762 [inline] init_timer_key+0x2e0/0x300 kernel/time/timer.c:782 l2cap_chan_create+0x26a/0x3c0 net/bluetooth/l2cap_core.c:454 l2cap_sock_alloc.constprop.0+0x16c/0x210 net/bluetooth/l2cap_sock.c:1606 l2cap_sock_create+0xdd/0x170 net/bluetooth/l2cap_sock.c:1637 bt_sock_create+0x13b/0x280 net/bluetooth/af_bluetooth.c:130 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socket net/socket.c:1345 [inline] SyS_socket+0xd1/0x1b0 net/socket.c:1325 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x446eb9 RSP: 002b:00007ffe91244118 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000446eb9 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000000000000001f RBP: 0000000000000003 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000407b10 R14: 0000000000000000 R15: 0000000000000000 Allocated by task 9275: save_stack mm/kasan/kasan.c:447 [inline] set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:551 kmem_cache_alloc_trace+0x131/0x3d0 mm/slab.c:3618 kmalloc include/linux/slab.h:488 [inline] kzalloc include/linux/slab.h:661 [inline] l2cap_chan_create+0x3e/0x3c0 net/bluetooth/l2cap_core.c:441 l2cap_sock_alloc.constprop.0+0x16c/0x210 net/bluetooth/l2cap_sock.c:1606 l2cap_sock_create+0xdd/0x170 net/bluetooth/l2cap_sock.c:1637 bt_sock_create+0x13b/0x280 net/bluetooth/af_bluetooth.c:130 __sock_create+0x303/0x620 net/socket.c:1275 sock_create net/socket.c:1315 [inline] SYSC_socket net/socket.c:1345 [inline] SyS_socket+0xd1/0x1b0 net/socket.c:1325 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb Freed by task 6491: save_stack mm/kasan/kasan.c:447 [inline] set_track mm/kasan/kasan.c:459 [inline] kasan_slab_free+0xc3/0x1a0 mm/kasan/kasan.c:524 __cache_free mm/slab.c:3496 [inline] kfree+0xc9/0x250 mm/slab.c:3815 l2cap_chan_destroy net/bluetooth/l2cap_core.c:479 [inline] kref_put include/linux/kref.h:70 [inline] l2cap_chan_put+0x152/0x1b0 net/bluetooth/l2cap_core.c:493 l2cap_conless_channel net/bluetooth/l2cap_core.c:6976 [inline] l2cap_recv_frame+0xb9a/0x95c0 net/bluetooth/l2cap_core.c:7023 l2cap_recv_acldata+0x7a6/0x8b0 net/bluetooth/l2cap_core.c:7588 hci_acldata_packet net/bluetooth/hci_core.c:4066 [inline] hci_rx_work+0x3d1/0x970 net/bluetooth/hci_core.c:4249 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 The buggy address belongs to the object at ffff88809adda900 which belongs to the cache kmalloc-2048 of size 2048 The buggy address is located 344 bytes inside of 2048-byte region [ffff88809adda900, ffff88809addb100) The buggy address belongs to the page: page:ffffea00026b7680 count:1 mapcount:0 mapping:ffff88809adda080 index:0x0 compound_mapcount: 0 flags: 0xfffe0000008100(slab|head) raw: 00fffe0000008100 ffff88809adda080 0000000000000000 0000000100000003 raw: ffffea0002672920 ffffea00027943a0 ffff88812fe52c40 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff88809adda900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88809adda980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88809addaa00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88809addaa80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88809addab00: 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/08/07 15:49 | linux-4.14.y | 14b58326976d | 28ac5c9e | .config | console log | report | syz | C | ci2-linux-4-14 |