[v5.15] BUG: sleeping function called from invalid context in lock_sock_nested
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syzbot
Jun 29, 2024, 10:50:19 AM6/29/24
Hello,
syzbot found the following issue on:
HEAD commit: 4878aadf2d15 Linux 5.15.161
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=13b2e3a9980000
kernel config: https://syzkaller.appspot.com/x/.config?x=875d98826c53bf16
dashboard link: https://syzkaller.appspot.com/bug?extid=a6a36c56b601cd460922
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/f227a150ea92/disk-4878aadf.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/6cfc50bf8b4e/vmlinux-4878aadf.xz
kernel image: https://storage.googleapis.com/syzbot-assets/23f7adc3c761/bzImage-4878aadf.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: [email protected]
BUG: sleeping function called from invalid context at net/core/sock.c:3252
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3507, name: kworker/u5:1
6 locks held by kworker/u5:1/3507:
#0: ffff888077893938 ((wq_completion)hci1#2){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283
#1: ffffc90002e87d20 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285
#2: ffff888073b84078 (&hdev->lock){+.+.}-{3:3}, at: hci_sync_conn_complete_evt+0xab/0x9b0 net/bluetooth/hci_event.c:4471
#3: ffffffff8db316a8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1507 [inline]
#3: ffffffff8db316a8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_sync_conn_complete_evt+0x45f/0x9b0 net/bluetooth/hci_event.c:4551
#4: ffff88806964b820 (&conn->lock#2){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:363 [inline]
#4: ffff88806964b820 (&conn->lock#2){+.+.}-{2:2}, at: sco_conn_ready net/bluetooth/sco.c:1116 [inline]
#4: ffff88806964b820 (&conn->lock#2){+.+.}-{2:2}, at: sco_connect_cfm+0x27c/0xad0 net/bluetooth/sco.c:1201
#5: ffff88801a147120 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1668 [inline]
#5: ffff88801a147120 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: sco_conn_ready net/bluetooth/sco.c:1129 [inline]
#5: ffff88801a147120 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: sco_connect_cfm+0x456/0xad0 net/bluetooth/sco.c:1201
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 3507 Comm: kworker/u5:1 Not tainted 5.15.161-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: hci1 hci_rx_work
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
___might_sleep+0x547/0x6a0 kernel/sched/core.c:9626
lock_sock_nested+0x5b/0x100 net/core/sock.c:3252
lock_sock include/net/sock.h:1668 [inline]
sco_conn_ready net/bluetooth/sco.c:1129 [inline]
sco_connect_cfm+0x456/0xad0 net/bluetooth/sco.c:1201
hci_connect_cfm include/net/bluetooth/hci_core.h:1510 [inline]
hci_sync_conn_complete_evt+0x4ce/0x9b0 net/bluetooth/hci_event.c:4551
hci_event_packet+0xa12/0x1550 net/bluetooth/hci_event.c:6483
hci_rx_work+0x232/0x990 net/bluetooth/hci_core.c:5156
process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300
</TASK>
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at [email protected].
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot found the following issue on:
HEAD commit: 4878aadf2d15 Linux 5.15.161
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=13b2e3a9980000
kernel config: https://syzkaller.appspot.com/x/.config?x=875d98826c53bf16
dashboard link: https://syzkaller.appspot.com/bug?extid=a6a36c56b601cd460922
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/f227a150ea92/disk-4878aadf.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/6cfc50bf8b4e/vmlinux-4878aadf.xz
kernel image: https://storage.googleapis.com/syzbot-assets/23f7adc3c761/bzImage-4878aadf.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: [email protected]
BUG: sleeping function called from invalid context at net/core/sock.c:3252
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3507, name: kworker/u5:1
6 locks held by kworker/u5:1/3507:
#0: ffff888077893938 ((wq_completion)hci1#2){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283
#1: ffffc90002e87d20 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285
#2: ffff888073b84078 (&hdev->lock){+.+.}-{3:3}, at: hci_sync_conn_complete_evt+0xab/0x9b0 net/bluetooth/hci_event.c:4471
#3: ffffffff8db316a8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1507 [inline]
#3: ffffffff8db316a8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_sync_conn_complete_evt+0x45f/0x9b0 net/bluetooth/hci_event.c:4551
#4: ffff88806964b820 (&conn->lock#2){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:363 [inline]
#4: ffff88806964b820 (&conn->lock#2){+.+.}-{2:2}, at: sco_conn_ready net/bluetooth/sco.c:1116 [inline]
#4: ffff88806964b820 (&conn->lock#2){+.+.}-{2:2}, at: sco_connect_cfm+0x27c/0xad0 net/bluetooth/sco.c:1201
#5: ffff88801a147120 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1668 [inline]
#5: ffff88801a147120 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: sco_conn_ready net/bluetooth/sco.c:1129 [inline]
#5: ffff88801a147120 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: sco_connect_cfm+0x456/0xad0 net/bluetooth/sco.c:1201
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 3507 Comm: kworker/u5:1 Not tainted 5.15.161-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: hci1 hci_rx_work
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
___might_sleep+0x547/0x6a0 kernel/sched/core.c:9626
lock_sock_nested+0x5b/0x100 net/core/sock.c:3252
lock_sock include/net/sock.h:1668 [inline]
sco_conn_ready net/bluetooth/sco.c:1129 [inline]
sco_connect_cfm+0x456/0xad0 net/bluetooth/sco.c:1201
hci_connect_cfm include/net/bluetooth/hci_core.h:1510 [inline]
hci_sync_conn_complete_evt+0x4ce/0x9b0 net/bluetooth/hci_event.c:4551
hci_event_packet+0xa12/0x1550 net/bluetooth/hci_event.c:6483
hci_rx_work+0x232/0x990 net/bluetooth/hci_core.c:5156
process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300
</TASK>
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at [email protected].
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot
Jun 29, 2024, 10:54:25 AM6/29/24
Hello,
syzbot found the following issue on:
HEAD commit: 99e6a620de00 Linux 6.1.96
syzbot found the following issue on:
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=17d73b8e980000
kernel config: https://syzkaller.appspot.com/x/.config?x=8695f134c8d5830a
dashboard link: https://syzkaller.appspot.com/bug?extid=97ef0e9e9cc294e72434
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/58c038f7d058/disk-99e6a620.raw.xz
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
vmlinux: https://storage.googleapis.com/syzbot-assets/6f70b0b239b0/vmlinux-99e6a620.xz
kernel image: https://storage.googleapis.com/syzbot-assets/c1423cf0fcc7/bzImage-99e6a620.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
BUG: sleeping function called from invalid context at net/core/sock.c:3487
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 48, name: kworker/u5:0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
6 locks held by kworker/u5:0/48:
#0: ffff888072a14938 ((wq_completion)hci3#2){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#1: ffffc90000b97d20 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#2: ffff88807c578078 (&hdev->lock){+.+.}-{3:3}, at: hci_sync_conn_complete_evt+0xaa/0xac0 net/bluetooth/hci_event.c:5021
#3: ffffffff8e3f0e08 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1790 [inline]
#3: ffffffff8e3f0e08 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_sync_conn_complete_evt+0x4d5/0xac0 net/bluetooth/hci_event.c:5107
#4: ffff888072f74a20 (&conn->lock#2){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
#4: ffff888072f74a20 (&conn->lock#2){+.+.}-{2:2}, at: sco_conn_ready net/bluetooth/sco.c:1278 [inline]
#4: ffff888072f74a20 (&conn->lock#2){+.+.}-{2:2}, at: sco_connect_cfm+0x279/0xb10 net/bluetooth/sco.c:1363
#5: ffff888072dec130 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1748 [inline]
#5: ffff888072dec130 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: sco_conn_ready net/bluetooth/sco.c:1291 [inline]
#5: ffff888072dec130 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: sco_connect_cfm+0x450/0xb10 net/bluetooth/sco.c:1363
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 48 Comm: kworker/u5:0 Not tainted 6.1.96-syzkaller #0
[<0000000000000000>] 0x0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: hci3 hci_rx_work
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
__might_resched+0x5cb/0x780 kernel/sched/core.c:9942
lock_sock_nested+0x59/0x100 net/core/sock.c:3487
lock_sock include/net/sock.h:1748 [inline]
sco_conn_ready net/bluetooth/sco.c:1291 [inline]
sco_connect_cfm+0x450/0xb10 net/bluetooth/sco.c:1363
hci_connect_cfm include/net/bluetooth/hci_core.h:1793 [inline]
hci_sync_conn_complete_evt+0x54b/0xac0 net/bluetooth/hci_event.c:5107
hci_event_func net/bluetooth/hci_event.c:7539 [inline]
hci_event_packet+0xa9d/0x1510 net/bluetooth/hci_event.c:7591
hci_rx_work+0x3cd/0xce0 net/bluetooth/hci_core.c:4129
process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
syzbot
Jul 19, 2024, 4:47:26 PM7/19/24
syzbot has found a reproducer for the following issue on:
HEAD commit: 7c6d66f0266f Linux 5.15.163
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=167f825e980000
kernel config: https://syzkaller.appspot.com/x/.config?x=57d6f3d65d760492
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16058e0d980000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=158382f1980000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/98ebbd3f0afb/disk-7c6d66f0.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/eeb09ac4352c/vmlinux-7c6d66f0.xz
kernel image: https://storage.googleapis.com/syzbot-assets/9eee3a77a4fd/Image-7c6d66f0.gz.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: [email protected]
BUG: sleeping function called from invalid context at net/core/sock.c:3252
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 144, name: kworker/u5:0
6 locks held by kworker/u5:0/144:
#0: ffff0000c8c58938 ((wq_completion)hci0#2){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283
#1: ffff80001a3e7c00 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285
#2: ffff0000c89ec078 (&hdev->lock){+.+.}-{3:3}, at: hci_sync_conn_complete_evt+0xb4/0x8c0 net/bluetooth/hci_event.c:4471
#3: ffff800016b8af68 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1507 [inline]
#3: ffff800016b8af68 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_sync_conn_complete_evt+0x404/0x8c0 net/bluetooth/hci_event.c:4551
#4: ffff0000c0ff3c20 (&conn->lock#2){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:363 [inline]
#4: ffff0000c0ff3c20 (&conn->lock#2){+.+.}-{2:2}, at: sco_conn_ready net/bluetooth/sco.c:1116 [inline]
#4: ffff0000c0ff3c20 (&conn->lock#2){+.+.}-{2:2}, at: sco_connect_cfm+0x260/0x908 net/bluetooth/sco.c:1201
#5: ffff0000c9219120 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1676 [inline]
#5: ffff0000c9219120 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: sco_conn_ready net/bluetooth/sco.c:1129 [inline]
#5: ffff0000c9219120 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: sco_connect_cfm+0x3e8/0x908 net/bluetooth/sco.c:1201
Preemption disabled at:
[<ffff800010d80660>] spin_lock include/linux/spinlock.h:363 [inline]
[<ffff800010d80660>] sco_conn_ready net/bluetooth/sco.c:1116 [inline]
[<ffff800010d80660>] sco_connect_cfm+0x260/0x908 net/bluetooth/sco.c:1201
CPU: 0 PID: 144 Comm: kworker/u5:0 Not tainted 5.15.163-syzkaller #0
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
___might_sleep+0x380/0x4dc kernel/sched/core.c:9626
__might_sleep+0x98/0xf0 kernel/sched/core.c:9580
lock_sock_nested+0x100/0x1ec net/core/sock.c:3252
lock_sock include/net/sock.h:1676 [inline]
sco_conn_ready net/bluetooth/sco.c:1129 [inline]
sco_connect_cfm+0x3e8/0x908 net/bluetooth/sco.c:1201
hci_connect_cfm include/net/bluetooth/hci_core.h:1510 [inline]
hci_sync_conn_complete_evt+0x468/0x8c0 net/bluetooth/hci_event.c:4551
hci_event_packet+0x8e0/0x12b4 net/bluetooth/hci_event.c:6483
hci_rx_work+0x1c0/0x7c4 net/bluetooth/hci_core.c:5156
process_one_work+0x790/0x11b8 kernel/workqueue.c:2310
worker_thread+0x910/0x1034 kernel/workqueue.c:2457
kthread+0x37c/0x45c kernel/kthread.c:334
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
==================================================================
BUG: KASAN: use-after-free in __lock_acquire+0x114/0x7638 kernel/locking/lockdep.c:4882
Read of size 8 at addr ffff0000c92190a0 by task kworker/u5:0/144
CPU: 0 PID: 144 Comm: kworker/u5:0 Tainted: G W 5.15.163-syzkaller #0
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
print_address_description+0x7c/0x3f0 mm/kasan/report.c:248
__kasan_report mm/kasan/report.c:434 [inline]
kasan_report+0x174/0x1e4 mm/kasan/report.c:451
__asan_report_load8_noabort+0x44/0x50 mm/kasan/report_generic.c:309
__lock_acquire+0x114/0x7638 kernel/locking/lockdep.c:4882
lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5623
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline]
_raw_spin_lock_bh+0x124/0x1c4 kernel/locking/spinlock.c:178
spin_lock_bh include/linux/spinlock.h:368 [inline]
lock_sock_nested+0x108/0x1ec net/core/sock.c:3253
lock_sock include/net/sock.h:1676 [inline]
sco_conn_ready net/bluetooth/sco.c:1129 [inline]
sco_connect_cfm+0x3e8/0x908 net/bluetooth/sco.c:1201
hci_connect_cfm include/net/bluetooth/hci_core.h:1510 [inline]
hci_sync_conn_complete_evt+0x468/0x8c0 net/bluetooth/hci_event.c:4551
hci_event_packet+0x8e0/0x12b4 net/bluetooth/hci_event.c:6483
hci_rx_work+0x1c0/0x7c4 net/bluetooth/hci_core.c:5156
process_one_work+0x790/0x11b8 kernel/workqueue.c:2310
worker_thread+0x910/0x1034 kernel/workqueue.c:2457
kthread+0x37c/0x45c kernel/kthread.c:334
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
Allocated by task 3973:
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track mm/kasan/common.c:46 [inline]
set_alloc_info mm/kasan/common.c:434 [inline]
____kasan_kmalloc+0xbc/0xfc mm/kasan/common.c:513
__kasan_kmalloc+0x10/0x1c mm/kasan/common.c:522
kasan_kmalloc include/linux/kasan.h:264 [inline]
__kmalloc+0x29c/0x4c8 mm/slub.c:4407
kmalloc include/linux/slab.h:596 [inline]
sk_prot_alloc+0xc4/0x1f0 net/core/sock.c:1863
sk_alloc+0x40/0x3e0 net/core/sock.c:1916
sco_sock_alloc net/bluetooth/sco.c:485 [inline]
sco_sock_create+0xb8/0x2d4 net/bluetooth/sco.c:520
bt_sock_create+0x14c/0x248 net/bluetooth/af_bluetooth.c:130
__sock_create+0x43c/0x884 net/socket.c:1486
sock_create net/socket.c:1537 [inline]
__sys_socket+0x168/0x310 net/socket.c:1579
__do_sys_socket net/socket.c:1588 [inline]
__se_sys_socket net/socket.c:1586 [inline]
__arm64_sys_socket+0x7c/0x94 net/socket.c:1586
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Freed by task 3973:
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track+0x4c/0x84 mm/kasan/common.c:46
kasan_set_free_info+0x28/0x4c mm/kasan/generic.c:360
____kasan_slab_free+0x118/0x164 mm/kasan/common.c:366
__kasan_slab_free+0x18/0x28 mm/kasan/common.c:374
kasan_slab_free include/linux/kasan.h:230 [inline]
slab_free_hook mm/slub.c:1705 [inline]
slab_free_freelist_hook+0x128/0x1ec mm/slub.c:1731
slab_free mm/slub.c:3499 [inline]
kfree+0x178/0x410 mm/slub.c:4559
sk_prot_free net/core/sock.c:1899 [inline]
__sk_destruct+0x418/0x600 net/core/sock.c:1985
sk_destruct net/core/sock.c:2000 [inline]
__sk_free+0x37c/0x4e8 net/core/sock.c:2011
sk_free+0x68/0xdc net/core/sock.c:2022
sock_put include/net/sock.h:1921 [inline]
sco_sock_kill+0x104/0x1c8 net/bluetooth/sco.c:406
sco_sock_release+0x1fc/0x2c0 net/bluetooth/sco.c:1098
__sock_release net/socket.c:649 [inline]
sock_close+0xb8/0x1fc net/socket.c:1336
__fput+0x1c4/0x800 fs/file_table.c:280
____fput+0x20/0x30 fs/file_table.c:308
task_work_run+0x130/0x1e4 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
do_notify_resume+0x262c/0x32b8 arch/arm64/kernel/signal.c:946
prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline]
exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline]
el0_svc+0xfc/0x1f0 arch/arm64/kernel/entry-common.c:609
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
The buggy address belongs to the object at ffff0000c9219000
which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 160 bytes inside of
2048-byte region [ffff0000c9219000, ffff0000c9219800)
The buggy address belongs to the page:
page:00000000ecec829d refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109218
head:00000000ecec829d order:3 compound_mapcount:0 compound_pincount:0
flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000010200 0000000000000000 dead000000000122 ffff0000c0002900
raw: 0000000000000000 0000000080080008 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff0000c9218f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff0000c9219000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff0000c9219080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff0000c9219100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff0000c9219180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Unable to handle kernel paging request at virtual address dfff800000000000
Mem abort info:
ESR = 0x0000000096000006
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x06: level 2 translation fault
Data abort info:
ISV = 0, ISS = 0x00000006
CM = 0, WnR = 0
[dfff800000000000] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 144 Comm: kworker/u5:0 Tainted: G B W 5.15.163-syzkaller #0
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : apparmor_sk_clone_security+0xf0/0x3d8 security/apparmor/lsm.c:818
lr : apparmor_sk_clone_security+0xd0/0x3d8 security/apparmor/lsm.c:816
sp : ffff80001a3e7730
x29: ffff80001a3e7730 x28: dfff800000000000 x27: 1ffff0000347cefc
x26: ffff0000c921a3aa x25: ffff0000c9219530 x24: 1fffe0001aac87a0
x23: dfff800000000000 x22: dfff800000000000 x21: 0000000000000000
x20: 0000000000000000 x19: ffff0000d5643d00 x18: 0000000000000204
x17: ffff800010d8081c x16: ffff8000088cd8b4 x15: ffff80000fd64278
x14: ffff80000a5cac84 x13: ffff80000802b56c x12: 0000000000000001
x11: 0000000000000001 x10: 0000000000000000 x9 : ffff0000c2c13680
x8 : 0000000000000000 x7 : ffffffffffffffff x6 : ffff800010c744a8
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80000a645ac8
x2 : 0000000000000000 x1 : 0000000000000008 x0 : 0000000000000000
Call trace:
apparmor_sk_clone_security+0xf0/0x3d8 security/apparmor/lsm.c:818
security_sk_clone+0x58/0x9c security/security.c:2318
sco_sock_init net/bluetooth/sco.c:468 [inline]
sco_conn_ready net/bluetooth/sco.c:1139 [inline]
sco_connect_cfm+0x58c/0x908 net/bluetooth/sco.c:1201
hci_connect_cfm include/net/bluetooth/hci_core.h:1510 [inline]
hci_sync_conn_complete_evt+0x468/0x8c0 net/bluetooth/hci_event.c:4551
hci_event_packet+0x8e0/0x12b4 net/bluetooth/hci_event.c:6483
hci_rx_work+0x1c0/0x7c4 net/bluetooth/hci_core.c:5156
process_one_work+0x790/0x11b8 kernel/workqueue.c:2310
worker_thread+0x910/0x1034 kernel/workqueue.c:2457
kthread+0x37c/0x45c kernel/kthread.c:334
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
Code: 710006df 540010ab 9779f740 d343fe88 (38776908)
---[ end trace 8fbecba04ebb2580 ]---
----------------
Code disassembly (best guess):
0: 710006df cmp w22, #0x1
4: 540010ab b.lt 0x218 // b.tstop
8: 9779f740 bl 0xfffffffffde7dd08
c: d343fe88 lsr x8, x20, #3
* 10: 38776908 ldrb w8, [x8, x23] <-- trapping instruction
---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
HEAD commit: 7c6d66f0266f Linux 5.15.163
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=167f825e980000
kernel config: https://syzkaller.appspot.com/x/.config?x=57d6f3d65d760492
dashboard link: https://syzkaller.appspot.com/bug?extid=a6a36c56b601cd460922
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: arm64
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16058e0d980000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=158382f1980000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/98ebbd3f0afb/disk-7c6d66f0.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/eeb09ac4352c/vmlinux-7c6d66f0.xz
kernel image: https://storage.googleapis.com/syzbot-assets/9eee3a77a4fd/Image-7c6d66f0.gz.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: [email protected]
BUG: sleeping function called from invalid context at net/core/sock.c:3252
6 locks held by kworker/u5:0/144:
#0: ffff0000c8c58938 ((wq_completion)hci0#2){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283
#1: ffff80001a3e7c00 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285
#2: ffff0000c89ec078 (&hdev->lock){+.+.}-{3:3}, at: hci_sync_conn_complete_evt+0xb4/0x8c0 net/bluetooth/hci_event.c:4471
#3: ffff800016b8af68 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1507 [inline]
#3: ffff800016b8af68 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_sync_conn_complete_evt+0x404/0x8c0 net/bluetooth/hci_event.c:4551
#4: ffff0000c0ff3c20 (&conn->lock#2){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:363 [inline]
#4: ffff0000c0ff3c20 (&conn->lock#2){+.+.}-{2:2}, at: sco_conn_ready net/bluetooth/sco.c:1116 [inline]
#4: ffff0000c0ff3c20 (&conn->lock#2){+.+.}-{2:2}, at: sco_connect_cfm+0x260/0x908 net/bluetooth/sco.c:1201
#5: ffff0000c9219120 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1676 [inline]
#5: ffff0000c9219120 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: sco_conn_ready net/bluetooth/sco.c:1129 [inline]
#5: ffff0000c9219120 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: sco_connect_cfm+0x3e8/0x908 net/bluetooth/sco.c:1201
Preemption disabled at:
[<ffff800010d80660>] spin_lock include/linux/spinlock.h:363 [inline]
[<ffff800010d80660>] sco_conn_ready net/bluetooth/sco.c:1116 [inline]
[<ffff800010d80660>] sco_connect_cfm+0x260/0x908 net/bluetooth/sco.c:1201
CPU: 0 PID: 144 Comm: kworker/u5:0 Not tainted 5.15.163-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: hci0 hci_rx_work
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x58 lib/dump_stack.c:113
___might_sleep+0x380/0x4dc kernel/sched/core.c:9626
__might_sleep+0x98/0xf0 kernel/sched/core.c:9580
lock_sock_nested+0x100/0x1ec net/core/sock.c:3252
lock_sock include/net/sock.h:1676 [inline]
sco_conn_ready net/bluetooth/sco.c:1129 [inline]
sco_connect_cfm+0x3e8/0x908 net/bluetooth/sco.c:1201
hci_connect_cfm include/net/bluetooth/hci_core.h:1510 [inline]
hci_sync_conn_complete_evt+0x468/0x8c0 net/bluetooth/hci_event.c:4551
hci_event_packet+0x8e0/0x12b4 net/bluetooth/hci_event.c:6483
hci_rx_work+0x1c0/0x7c4 net/bluetooth/hci_core.c:5156
process_one_work+0x790/0x11b8 kernel/workqueue.c:2310
worker_thread+0x910/0x1034 kernel/workqueue.c:2457
kthread+0x37c/0x45c kernel/kthread.c:334
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
==================================================================
BUG: KASAN: use-after-free in __lock_acquire+0x114/0x7638 kernel/locking/lockdep.c:4882
Read of size 8 at addr ffff0000c92190a0 by task kworker/u5:0/144
CPU: 0 PID: 144 Comm: kworker/u5:0 Tainted: G W 5.15.163-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: hci0 hci_rx_work
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
print_address_description+0x7c/0x3f0 mm/kasan/report.c:248
__kasan_report mm/kasan/report.c:434 [inline]
kasan_report+0x174/0x1e4 mm/kasan/report.c:451
__asan_report_load8_noabort+0x44/0x50 mm/kasan/report_generic.c:309
__lock_acquire+0x114/0x7638 kernel/locking/lockdep.c:4882
lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5623
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline]
_raw_spin_lock_bh+0x124/0x1c4 kernel/locking/spinlock.c:178
spin_lock_bh include/linux/spinlock.h:368 [inline]
lock_sock_nested+0x108/0x1ec net/core/sock.c:3253
lock_sock include/net/sock.h:1676 [inline]
sco_conn_ready net/bluetooth/sco.c:1129 [inline]
sco_connect_cfm+0x3e8/0x908 net/bluetooth/sco.c:1201
hci_connect_cfm include/net/bluetooth/hci_core.h:1510 [inline]
hci_sync_conn_complete_evt+0x468/0x8c0 net/bluetooth/hci_event.c:4551
hci_event_packet+0x8e0/0x12b4 net/bluetooth/hci_event.c:6483
hci_rx_work+0x1c0/0x7c4 net/bluetooth/hci_core.c:5156
process_one_work+0x790/0x11b8 kernel/workqueue.c:2310
worker_thread+0x910/0x1034 kernel/workqueue.c:2457
kthread+0x37c/0x45c kernel/kthread.c:334
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
Allocated by task 3973:
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track mm/kasan/common.c:46 [inline]
set_alloc_info mm/kasan/common.c:434 [inline]
____kasan_kmalloc+0xbc/0xfc mm/kasan/common.c:513
__kasan_kmalloc+0x10/0x1c mm/kasan/common.c:522
kasan_kmalloc include/linux/kasan.h:264 [inline]
__kmalloc+0x29c/0x4c8 mm/slub.c:4407
kmalloc include/linux/slab.h:596 [inline]
sk_prot_alloc+0xc4/0x1f0 net/core/sock.c:1863
sk_alloc+0x40/0x3e0 net/core/sock.c:1916
sco_sock_alloc net/bluetooth/sco.c:485 [inline]
sco_sock_create+0xb8/0x2d4 net/bluetooth/sco.c:520
bt_sock_create+0x14c/0x248 net/bluetooth/af_bluetooth.c:130
__sock_create+0x43c/0x884 net/socket.c:1486
sock_create net/socket.c:1537 [inline]
__sys_socket+0x168/0x310 net/socket.c:1579
__do_sys_socket net/socket.c:1588 [inline]
__se_sys_socket net/socket.c:1586 [inline]
__arm64_sys_socket+0x7c/0x94 net/socket.c:1586
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Freed by task 3973:
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track+0x4c/0x84 mm/kasan/common.c:46
kasan_set_free_info+0x28/0x4c mm/kasan/generic.c:360
____kasan_slab_free+0x118/0x164 mm/kasan/common.c:366
__kasan_slab_free+0x18/0x28 mm/kasan/common.c:374
kasan_slab_free include/linux/kasan.h:230 [inline]
slab_free_hook mm/slub.c:1705 [inline]
slab_free_freelist_hook+0x128/0x1ec mm/slub.c:1731
slab_free mm/slub.c:3499 [inline]
kfree+0x178/0x410 mm/slub.c:4559
sk_prot_free net/core/sock.c:1899 [inline]
__sk_destruct+0x418/0x600 net/core/sock.c:1985
sk_destruct net/core/sock.c:2000 [inline]
__sk_free+0x37c/0x4e8 net/core/sock.c:2011
sk_free+0x68/0xdc net/core/sock.c:2022
sock_put include/net/sock.h:1921 [inline]
sco_sock_kill+0x104/0x1c8 net/bluetooth/sco.c:406
sco_sock_release+0x1fc/0x2c0 net/bluetooth/sco.c:1098
__sock_release net/socket.c:649 [inline]
sock_close+0xb8/0x1fc net/socket.c:1336
__fput+0x1c4/0x800 fs/file_table.c:280
____fput+0x20/0x30 fs/file_table.c:308
task_work_run+0x130/0x1e4 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
do_notify_resume+0x262c/0x32b8 arch/arm64/kernel/signal.c:946
prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline]
exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline]
el0_svc+0xfc/0x1f0 arch/arm64/kernel/entry-common.c:609
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
The buggy address belongs to the object at ffff0000c9219000
which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 160 bytes inside of
2048-byte region [ffff0000c9219000, ffff0000c9219800)
The buggy address belongs to the page:
page:00000000ecec829d refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109218
head:00000000ecec829d order:3 compound_mapcount:0 compound_pincount:0
flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000010200 0000000000000000 dead000000000122 ffff0000c0002900
raw: 0000000000000000 0000000080080008 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff0000c9218f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff0000c9219000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff0000c9219080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff0000c9219100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff0000c9219180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Unable to handle kernel paging request at virtual address dfff800000000000
Mem abort info:
ESR = 0x0000000096000006
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x06: level 2 translation fault
Data abort info:
ISV = 0, ISS = 0x00000006
CM = 0, WnR = 0
[dfff800000000000] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 144 Comm: kworker/u5:0 Tainted: G B W 5.15.163-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: hci0 hci_rx_work
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : apparmor_sk_clone_security+0xf0/0x3d8 security/apparmor/lsm.c:818
lr : apparmor_sk_clone_security+0xd0/0x3d8 security/apparmor/lsm.c:816
sp : ffff80001a3e7730
x29: ffff80001a3e7730 x28: dfff800000000000 x27: 1ffff0000347cefc
x26: ffff0000c921a3aa x25: ffff0000c9219530 x24: 1fffe0001aac87a0
x23: dfff800000000000 x22: dfff800000000000 x21: 0000000000000000
x20: 0000000000000000 x19: ffff0000d5643d00 x18: 0000000000000204
x17: ffff800010d8081c x16: ffff8000088cd8b4 x15: ffff80000fd64278
x14: ffff80000a5cac84 x13: ffff80000802b56c x12: 0000000000000001
x11: 0000000000000001 x10: 0000000000000000 x9 : ffff0000c2c13680
x8 : 0000000000000000 x7 : ffffffffffffffff x6 : ffff800010c744a8
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80000a645ac8
x2 : 0000000000000000 x1 : 0000000000000008 x0 : 0000000000000000
Call trace:
apparmor_sk_clone_security+0xf0/0x3d8 security/apparmor/lsm.c:818
security_sk_clone+0x58/0x9c security/security.c:2318
sco_sock_init net/bluetooth/sco.c:468 [inline]
sco_conn_ready net/bluetooth/sco.c:1139 [inline]
sco_connect_cfm+0x58c/0x908 net/bluetooth/sco.c:1201
hci_connect_cfm include/net/bluetooth/hci_core.h:1510 [inline]
hci_sync_conn_complete_evt+0x468/0x8c0 net/bluetooth/hci_event.c:4551
hci_event_packet+0x8e0/0x12b4 net/bluetooth/hci_event.c:6483
hci_rx_work+0x1c0/0x7c4 net/bluetooth/hci_core.c:5156
process_one_work+0x790/0x11b8 kernel/workqueue.c:2310
worker_thread+0x910/0x1034 kernel/workqueue.c:2457
kthread+0x37c/0x45c kernel/kthread.c:334
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
Code: 710006df 540010ab 9779f740 d343fe88 (38776908)
---[ end trace 8fbecba04ebb2580 ]---
----------------
Code disassembly (best guess):
0: 710006df cmp w22, #0x1
4: 540010ab b.lt 0x218 // b.tstop
8: 9779f740 bl 0xfffffffffde7dd08
c: d343fe88 lsr x8, x20, #3
* 10: 38776908 ldrb w8, [x8, x23] <-- trapping instruction
---
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#syz test: git://repo/address.git branch-or-commit-hash
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syzbot
Oct 28, 2024, 8:57:20 AM10/28/24
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
Crashes did not happen for a while, no reproducer and no activity.
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