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🐞 Open [708] 🐞 Fixed [181] 🐞 Invalid [624] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KASAN: use-after-free Read in kfree_skb | 1 | 1569d | 1569d | 12/24 | fixed on 2018/11/12 21:25 | |||
linux-4.19 | KASAN: use-after-free Read in kfree_skb | C | done | 95 | 1169d | 1289d | 1/1 | fixed on 2019/12/28 10:32 | |
upstream | KASAN: use-after-free Read in kfree_skb (2) | C | 66 | 1510d | 1519d | 12/24 | fixed on 2019/01/11 01:22 | ||
upstream | KASAN: use-after-free Read in kfree_skb (3) | C | done | error | 313 | 1169d | 1372d | 0/24 | auto-obsoleted due to no activity on 2022/12/22 07:00 |
Bluetooth: Error in BCSP hdr checksum Bluetooth: Error in BCSP hdr checksum Bluetooth: Error in BCSP hdr checksum Bluetooth: hci0 command 0x1009 tx timeout ================================================================== BUG: KASAN: use-after-free in __read_once_size include/linux/compiler.h:183 [inline] BUG: KASAN: use-after-free in atomic_read arch/x86/include/asm/atomic.h:27 [inline] BUG: KASAN: use-after-free in refcount_read include/linux/refcount.h:42 [inline] BUG: KASAN: use-after-free in skb_unref include/linux/skbuff.h:952 [inline] BUG: KASAN: use-after-free in kfree_skb+0x2e9/0x340 net/core/skbuff.c:659 Read of size 4 at addr ffff88807cc72ae4 by task syz-executor650/6915 CPU: 0 PID: 6915 Comm: syz-executor650 Not tainted 4.14.150 #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+0x138/0x197 lib/dump_stack.c:53 print_address_description.cold+0x7c/0x1dc mm/kasan/report.c:252 kasan_report_error mm/kasan/report.c:351 [inline] kasan_report mm/kasan/report.c:409 [inline] kasan_report.cold+0xa9/0x2af mm/kasan/report.c:393 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report.c:429 __read_once_size include/linux/compiler.h:183 [inline] atomic_read arch/x86/include/asm/atomic.h:27 [inline] refcount_read include/linux/refcount.h:42 [inline] skb_unref include/linux/skbuff.h:952 [inline] kfree_skb+0x2e9/0x340 net/core/skbuff.c:659 bcsp_close+0xc7/0x130 drivers/bluetooth/hci_bcsp.c:761 hci_uart_tty_close+0x1cb/0x230 drivers/bluetooth/hci_ldisc.c:551 tty_ldisc_close.isra.0+0x99/0xd0 drivers/tty/tty_ldisc.c:498 tty_ldisc_kill+0x4b/0xc0 drivers/tty/tty_ldisc.c:644 tty_ldisc_release+0xb6/0x230 drivers/tty/tty_ldisc.c:811 tty_release_struct+0x1b/0x50 drivers/tty/tty_io.c:1603 tty_release+0xaa3/0xd60 drivers/tty/tty_io.c:1776 __fput+0x275/0x7a0 fs/file_table.c:210 ____fput+0x16/0x20 fs/file_table.c:244 task_work_run+0x114/0x190 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x7df/0x2c10 kernel/exit.c:874 do_group_exit+0x111/0x330 kernel/exit.c:977 get_signal+0x381/0x1cd0 kernel/signal.c:2409 do_signal+0x86/0x19a0 arch/x86/kernel/signal.c:814 exit_to_usermode_loop+0x15c/0x220 arch/x86/entry/common.c:160 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x4bc/0x640 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x441309 RSP: 002b:00007fffe51432c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: 00000000003654c0 RBX: 0000000000000000 RCX: 0000000000441309 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00000000006cb018 R08: 00000000004002c8 R09: 00000000004002c8 R10: 00008000fffffffe R11: 0000000000000246 R12: 0000000000402130 R13: 00000000004021c0 R14: 0000000000000000 R15: 0000000000000000 Allocated by task 2549: save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:59 save_stack+0x45/0xd0 mm/kasan/kasan.c:447 set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc mm/kasan/kasan.c:551 [inline] kasan_kmalloc+0xce/0xf0 mm/kasan/kasan.c:529 kasan_slab_alloc+0xf/0x20 mm/kasan/kasan.c:489 kmem_cache_alloc_node+0x144/0x780 mm/slab.c:3642 __alloc_skb+0x9c/0x500 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:980 [inline] bt_skb_alloc include/net/bluetooth/bluetooth.h:336 [inline] bcsp_recv+0x38a/0x1450 drivers/bluetooth/hci_bcsp.c:684 hci_uart_tty_receive+0x1f4/0x4d0 drivers/bluetooth/hci_ldisc.c:616 tty_ldisc_receive_buf+0x14d/0x1a0 drivers/tty/tty_buffer.c:459 tty_port_default_receive_buf+0x73/0xa0 drivers/tty/tty_port.c:37 receive_buf drivers/tty/tty_buffer.c:475 [inline] flush_to_ldisc+0x1ec/0x400 drivers/tty/tty_buffer.c:527 process_one_work+0x863/0x1600 kernel/workqueue.c:2114 worker_thread+0x5d9/0x1050 kernel/workqueue.c:2248 kthread+0x319/0x430 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Freed by task 2549: save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:59 save_stack+0x45/0xd0 mm/kasan/kasan.c:447 set_track mm/kasan/kasan.c:459 [inline] kasan_slab_free+0x75/0xc0 mm/kasan/kasan.c:524 __cache_free mm/slab.c:3496 [inline] kmem_cache_free+0x83/0x2b0 mm/slab.c:3758 kfree_skbmem net/core/skbuff.c:586 [inline] kfree_skbmem+0xac/0x120 net/core/skbuff.c:580 __kfree_skb net/core/skbuff.c:646 [inline] kfree_skb+0xbd/0x340 net/core/skbuff.c:663 bcsp_recv+0x28c/0x1450 drivers/bluetooth/hci_bcsp.c:622 hci_uart_tty_receive+0x1f4/0x4d0 drivers/bluetooth/hci_ldisc.c:616 tty_ldisc_receive_buf+0x14d/0x1a0 drivers/tty/tty_buffer.c:459 tty_port_default_receive_buf+0x73/0xa0 drivers/tty/tty_port.c:37 receive_buf drivers/tty/tty_buffer.c:475 [inline] flush_to_ldisc+0x1ec/0x400 drivers/tty/tty_buffer.c:527 process_one_work+0x863/0x1600 kernel/workqueue.c:2114 worker_thread+0x5d9/0x1050 kernel/workqueue.c:2248 kthread+0x319/0x430 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 The buggy address belongs to the object at ffff88807cc72a00 which belongs to the cache skbuff_head_cache of size 232 The buggy address is located 228 bytes inside of 232-byte region [ffff88807cc72a00, ffff88807cc72ae8) The buggy address belongs to the page: page:ffffea0001f31c80 count:1 mapcount:0 mapping:ffff88807cc72000 index:0x0 flags: 0x1fffc0000000100(slab) raw: 01fffc0000000100 ffff88807cc72000 0000000000000000 000000010000000c raw: ffffea0002803c20 ffffea00024cdc20 ffff8880a9e19a80 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff88807cc72980: fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc ffff88807cc72a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88807cc72a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc ^ ffff88807cc72b00: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb ffff88807cc72b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
ci2-linux-4-14 | 2019/10/19 22:00 | linux-4.14.y | b98aebd29824 | 8c88c9c1 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/08/03 15:52 | linux-4.14.y | 10d6aa565d05 | 6affd8e8 | .config | console log | report | syz | C | |||
ci2-linux-4-14 | 2019/09/24 07:16 | linux-4.14.y | f6e27dbb1afa | c68252d2 | .config | console log | report | syz | ||||
ci2-linux-4-14 | 2019/08/02 03:38 | linux-4.14.y | 10d6aa565d05 | 835dffe7 | .config | console log | report | syz | ||||
ci2-linux-4-14 | 2019/11/28 00:32 | linux-4.14.y | 43598c571e7e | 0d63f89c | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/27 13:58 | linux-4.14.y | 43598c571e7e | 1048481f | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/26 16:31 | linux-4.14.y | 43598c571e7e | 598ca6c8 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/26 15:02 | linux-4.14.y | 43598c571e7e | 598ca6c8 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/26 10:54 | linux-4.14.y | 43598c571e7e | 598ca6c8 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/26 09:28 | linux-4.14.y | 43598c571e7e | 598ca6c8 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/26 05:55 | linux-4.14.y | 43598c571e7e | 598ca6c8 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/26 04:37 | linux-4.14.y | 43598c571e7e | 598ca6c8 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/26 01:54 | linux-4.14.y | 43598c571e7e | 598ca6c8 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/25 23:44 | linux-4.14.y | 43598c571e7e | 598ca6c8 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/25 15:41 | linux-4.14.y | 43598c571e7e | 598ca6c8 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/25 14:41 | linux-4.14.y | 43598c571e7e | 598ca6c8 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/25 08:56 | linux-4.14.y | 43598c571e7e | 598ca6c8 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/24 09:40 | linux-4.14.y | f56f3d0e65ad | 598ca6c8 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/24 00:16 | linux-4.14.y | f56f3d0e65ad | 598ca6c8 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/23 20:11 | linux-4.14.y | f56f3d0e65ad | 598ca6c8 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/23 16:46 | linux-4.14.y | f56f3d0e65ad | 598ca6c8 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/22 00:27 | linux-4.14.y | f56f3d0e65ad | 8098ea0f | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/20 03:45 | linux-4.14.y | 775d01b65b5d | 432c7650 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/19 21:31 | linux-4.14.y | 775d01b65b5d | 432c7650 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/19 04:44 | linux-4.14.y | 775d01b65b5d | d5696d51 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/19 01:23 | linux-4.14.y | 775d01b65b5d | d5696d51 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/18 23:52 | linux-4.14.y | 775d01b65b5d | d5696d51 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/18 17:01 | linux-4.14.y | 775d01b65b5d | d5696d51 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/18 00:41 | linux-4.14.y | 775d01b65b5d | d5696d51 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/17 21:01 | linux-4.14.y | 775d01b65b5d | d5696d51 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/16 23:38 | linux-4.14.y | 775d01b65b5d | cdac920b | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/16 16:45 | linux-4.14.y | 775d01b65b5d | cdac920b | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/16 05:53 | linux-4.14.y | 775d01b65b5d | cdac920b | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/15 01:11 | linux-4.14.y | 775d01b65b5d | 048f2d49 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/14 09:01 | linux-4.14.y | 775d01b65b5d | 048f2d49 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/13 16:23 | linux-4.14.y | 4762bcd451a9 | 048f2d49 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/12 06:11 | linux-4.14.y | 4762bcd451a9 | 377d77fa | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/11 13:26 | linux-4.14.y | c9fda4f22428 | dc438b91 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/09 20:22 | linux-4.14.y | c9fda4f22428 | 1e35461e | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/09 09:02 | linux-4.14.y | c9fda4f22428 | 1e35461e | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/08 21:38 | linux-4.14.y | c9fda4f22428 | 1e35461e | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/08 09:36 | linux-4.14.y | c9fda4f22428 | 1e35461e | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/08 03:01 | linux-4.14.y | c9fda4f22428 | f39aff9e | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/06 22:41 | linux-4.14.y | c9fda4f22428 | da505f84 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/11/01 11:44 | linux-4.14.y | ddef1e8e3f6e | a41ca8fa | .config | console log | report | |||||
ci2-linux-4-14 | 2019/10/21 07:12 | linux-4.14.y | b98aebd29824 | 8c88c9c1 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/10/20 22:48 | linux-4.14.y | b98aebd29824 | 8c88c9c1 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/10/20 19:48 | linux-4.14.y | b98aebd29824 | 8c88c9c1 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/10/20 03:18 | linux-4.14.y | b98aebd29824 | 8c88c9c1 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/10/20 02:10 | linux-4.14.y | b98aebd29824 | 8c88c9c1 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/10/19 15:07 | linux-4.14.y | b98aebd29824 | 8c88c9c1 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/08/02 00:52 | linux-4.14.y | 10d6aa565d05 | 835dffe7 | .config | console log | report | |||||
ci2-linux-4-14 | 2019/07/23 10:43 | linux-4.14.y | ff33472c282e | bb071d58 | .config | console log | report |