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| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| upstream | KASAN: null-ptr-deref Write in l2cap_sock_suspend_cb bluetooth | 12 | 1 | 723d | 717d | 0/29 | auto-obsoleted due to no activity on 2023/12/23 09:03 | |||
| upstream | KASAN: null-ptr-deref Write in l2cap_sock_suspend_cb (2) bluetooth | 12 | 2 | 49d | 52d | 0/29 | closed as invalid on 2025/08/19 19:15 |
================================================================== BUG: KASAN: null-ptr-deref in instrument_atomic_write include/linux/instrumented.h:82 [inline] BUG: KASAN: null-ptr-deref in set_bit include/asm-generic/bitops/instrumented-atomic.h:28 [inline] BUG: KASAN: null-ptr-deref in l2cap_sock_suspend_cb+0x4c/0x80 net/bluetooth/l2cap_sock.c:1726 Write of size 8 at addr 0000000000000528 by task kworker/u5:3/15776 CPU: 1 PID: 15776 Comm: kworker/u5:3 Not tainted 6.6.95-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: hci2 hci_rx_work Call Trace: <TASK> dump_stack_lvl+0x16c/0x230 lib/dump_stack.c:106 kasan_report+0x117/0x150 mm/kasan/report.c:588 check_region_inline mm/kasan/generic.c:-1 [inline] kasan_check_range+0x288/0x290 mm/kasan/generic.c:187 instrument_atomic_write include/linux/instrumented.h:82 [inline] set_bit include/asm-generic/bitops/instrumented-atomic.h:28 [inline] l2cap_sock_suspend_cb+0x4c/0x80 net/bluetooth/l2cap_sock.c:1726 l2cap_chan_ready net/bluetooth/l2cap_core.c:1257 [inline] l2cap_le_start+0xa9d/0x1370 net/bluetooth/l2cap_core.c:1375 l2cap_conn_ready net/bluetooth/l2cap_core.c:1628 [inline] l2cap_connect_cfm+0x6b9/0x1030 net/bluetooth/l2cap_core.c:7252 hci_connect_cfm+0x8f/0x130 include/net/bluetooth/hci_core.h:1968 le_conn_complete_evt+0xcd0/0x1220 net/bluetooth/hci_event.c:5772 hci_le_conn_complete_evt+0x187/0x440 net/bluetooth/hci_event.c:5798 hci_event_func net/bluetooth/hci_event.c:7433 [inline] hci_event_packet+0x795/0x1210 net/bluetooth/hci_event.c:7488 hci_rx_work+0x43a/0xd80 net/bluetooth/hci_core.c:3992 process_one_work kernel/workqueue.c:2634 [inline] process_scheduled_works+0xa45/0x15b0 kernel/workqueue.c:2711 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 </TASK> ==================================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025/07/05 20:35 | linux-6.6.y | 3f5b4c104b7d | 4f67c4ae | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-6-kasan | KASAN: null-ptr-deref Write in l2cap_sock_suspend_cb |