Title | Replies (including bot) | Last reply |
---|---|---|
[syzbot] [bluetooth?] KASAN: null-ptr-deref Write in l2cap_sock_suspend_cb | 0 (1) | 2023/09/20 23:03 |
syzbot |
sign-in | mailing list | source | docs |
Title | Replies (including bot) | Last reply |
---|---|---|
[syzbot] [bluetooth?] KASAN: null-ptr-deref Write in l2cap_sock_suspend_cb | 0 (1) | 2023/09/20 23:03 |
================================================================== 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+0x43/0x90 net/bluetooth/l2cap_sock.c:1698 Write of size 8 at addr 0000000000000528 by task kworker/3:4/5228 CPU: 3 PID: 5228 Comm: kworker/3:4 Not tainted 6.6.0-rc1-syzkaller-00070-g23f108dc9ed2 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Workqueue: events l2cap_info_timeout Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106 kasan_report+0xda/0x110 mm/kasan/report.c:588 check_region_inline mm/kasan/generic.c:181 [inline] kasan_check_range+0xef/0x190 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+0x43/0x90 net/bluetooth/l2cap_sock.c:1698 l2cap_chan_ready.part.0+0x1bc/0x230 net/bluetooth/l2cap_core.c:1376 l2cap_chan_ready net/bluetooth/l2cap_core.c:1365 [inline] l2cap_conn_start+0x15c/0xa40 net/bluetooth/l2cap_core.c:1640 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784 kthread+0x33a/0x430 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 </TASK> ================================================================== Kernel panic - not syncing: KASAN: panic_on_warn set ... CPU: 3 PID: 5228 Comm: kworker/3:4 Not tainted 6.6.0-rc1-syzkaller-00070-g23f108dc9ed2 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Workqueue: events l2cap_info_timeout Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106 panic+0x6a6/0x750 kernel/panic.c:340 check_panic_on_warn+0xab/0xb0 kernel/panic.c:236 end_report+0x108/0x150 mm/kasan/report.c:225 kasan_report+0xea/0x110 mm/kasan/report.c:590 check_region_inline mm/kasan/generic.c:181 [inline] kasan_check_range+0xef/0x190 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+0x43/0x90 net/bluetooth/l2cap_sock.c:1698 l2cap_chan_ready.part.0+0x1bc/0x230 net/bluetooth/l2cap_core.c:1376 l2cap_chan_ready net/bluetooth/l2cap_core.c:1365 [inline] l2cap_conn_start+0x15c/0xa40 net/bluetooth/l2cap_core.c:1640 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784 kthread+0x33a/0x430 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 </TASK> Kernel Offset: disabled
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/09/14 09:02 | upstream | 23f108dc9ed2 | 0b6a67ac | .config | console log | report | info | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-qemu-upstream | KASAN: null-ptr-deref Write in l2cap_sock_suspend_cb |