[v5.15] WARNING in netdev_queue_update_kobjects
0 views
Skip to first unread message
syzbot
Apr 18, 2024, 11:41:24 AMApr 18
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: c52b9710c83d Linux 5.15.156
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=14a8ada3180000
kernel config: https://syzkaller.appspot.com/x/.config?x=567b6ddc38438433
dashboard link: https://syzkaller.appspot.com/bug?extid=16094e9764e9c6f4eac0
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/1bd4b9969373/disk-c52b9710.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/10509e89bd25/vmlinux-c52b9710.xz
kernel image: https://storage.googleapis.com/syzbot-assets/a623a4c52eb5/bzImage-c52b9710.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+16094e...@syzkaller.appspotmail.com
------------[ cut here ]------------
sysfs group 'byte_queue_limits' not found for kobject 'tx-0'
WARNING: CPU: 1 PID: 4459 at fs/sysfs/group.c:281 sysfs_remove_group+0x179/0x2a0 fs/sysfs/group.c:279
Modules linked in:
CPU: 1 PID: 4459 Comm: kbnepd bnep0 Not tainted 5.15.156-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:sysfs_remove_group+0x179/0x2a0 fs/sysfs/group.c:279
Code: 8b 36 4c 89 e0 48 c1 e8 03 80 3c 28 00 74 08 4c 89 e7 e8 9a b7 cc ff 49 8b 14 24 48 c7 c7 40 ba 99 8a 4c 89 f6 e8 f7 9a 4e ff <0f> 0b 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 b1 f2 82 ff
RSP: 0018:ffffc90003187928 EFLAGS: 00010246
RAX: a967ea0b57a2b000 RBX: ffff888078a75c48 RCX: ffff888074ddd940
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff8166862c R09: ffffed10173667a8
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888078a75c18
R13: 1ffffffff16f63b4 R14: ffffffff8b7b24c0 R15: ffff88805f64dd98
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020234000 CR3: 000000007e46b000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
netdev_queue_update_kobjects+0x37c/0x3f0 net/core/net-sysfs.c:1724
remove_queue_kobjects net/core/net-sysfs.c:1823 [inline]
netdev_unregister_kobject+0x10d/0x250 net/core/net-sysfs.c:1976
unregister_netdevice_many+0x13a6/0x18f0 net/core/dev.c:11120
unregister_netdevice_queue net/core/dev.c:11026 [inline]
unregister_netdevice include/linux/netdevice.h:3012 [inline]
unregister_netdev+0x19b/0x210 net/core/dev.c:11152
bnep_session+0x2ac0/0x2ca0 net/bluetooth/bnep/core.c:524
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 syzk...@googlegroups.com.
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: c52b9710c83d Linux 5.15.156
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=14a8ada3180000
kernel config: https://syzkaller.appspot.com/x/.config?x=567b6ddc38438433
dashboard link: https://syzkaller.appspot.com/bug?extid=16094e9764e9c6f4eac0
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/1bd4b9969373/disk-c52b9710.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/10509e89bd25/vmlinux-c52b9710.xz
kernel image: https://storage.googleapis.com/syzbot-assets/a623a4c52eb5/bzImage-c52b9710.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+16094e...@syzkaller.appspotmail.com
------------[ cut here ]------------
sysfs group 'byte_queue_limits' not found for kobject 'tx-0'
WARNING: CPU: 1 PID: 4459 at fs/sysfs/group.c:281 sysfs_remove_group+0x179/0x2a0 fs/sysfs/group.c:279
Modules linked in:
CPU: 1 PID: 4459 Comm: kbnepd bnep0 Not tainted 5.15.156-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:sysfs_remove_group+0x179/0x2a0 fs/sysfs/group.c:279
Code: 8b 36 4c 89 e0 48 c1 e8 03 80 3c 28 00 74 08 4c 89 e7 e8 9a b7 cc ff 49 8b 14 24 48 c7 c7 40 ba 99 8a 4c 89 f6 e8 f7 9a 4e ff <0f> 0b 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 b1 f2 82 ff
RSP: 0018:ffffc90003187928 EFLAGS: 00010246
RAX: a967ea0b57a2b000 RBX: ffff888078a75c48 RCX: ffff888074ddd940
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff8166862c R09: ffffed10173667a8
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888078a75c18
R13: 1ffffffff16f63b4 R14: ffffffff8b7b24c0 R15: ffff88805f64dd98
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020234000 CR3: 000000007e46b000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
netdev_queue_update_kobjects+0x37c/0x3f0 net/core/net-sysfs.c:1724
remove_queue_kobjects net/core/net-sysfs.c:1823 [inline]
netdev_unregister_kobject+0x10d/0x250 net/core/net-sysfs.c:1976
unregister_netdevice_many+0x13a6/0x18f0 net/core/dev.c:11120
unregister_netdevice_queue net/core/dev.c:11026 [inline]
unregister_netdevice include/linux/netdevice.h:3012 [inline]
unregister_netdev+0x19b/0x210 net/core/dev.c:11152
bnep_session+0x2ac0/0x2ca0 net/bluetooth/bnep/core.c:524
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 syzk...@googlegroups.com.
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
Apr 18, 2024, 9:14:25 PMApr 18
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 6741e066ec76 Linux 6.1.87
syzbot found the following issue on:
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=16157bb3180000
kernel config: https://syzkaller.appspot.com/x/.config?x=5d37120947ebed5a
dashboard link: https://syzkaller.appspot.com/bug?extid=0e5ac4e6e2961ccacf8e
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: arm64
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
vmlinux: https://storage.googleapis.com/syzbot-assets/4176a4f5a4d5/vmlinux-6741e066.xz
kernel image: https://storage.googleapis.com/syzbot-assets/970367753980/Image-6741e066.gz.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
------------[ cut here ]------------
sysfs group 'byte_queue_limits' not found for kobject 'tx-0'
Modules linked in:
CPU: 1 PID: 4371 Comm: kbnepd bnep0 Not tainted 6.1.87-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
pstate: 60401005 (nZCv daif +PAN -UAO -TCO -DIT +SSBS BTYPE=--)
pc : sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:278
lr : sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:278
sp : ffff80001e547840
x29: ffff80001e547840 x28: 1fffe0001bfa2cca x27: 1fffe0001bfa2c88
x26: 0000000000000000 x25: 00000000ffffffff x24: 1ffff00002833db8
x23: dfff800000000000 x22: dfff800000000000 x21: ffff0000c9b3d020
x20: ffff0000d415b828 x19: ffff80001419f4a0 x18: ffff80001e546c40
x17: 0000000000000000 x16: ffff80001215c9dc x15: 0000000000000000
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000ff0100 x10: 0000000000000000 x9 : 21ff91bd9974f800
x8 : 21ff91bd9974f800 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001e547138 x4 : ffff800015932b00 x3 : ffff80000858856c
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:278
netdev_queue_update_kobjects+0x3d4/0x470 net/core/net-sysfs.c:1731
remove_queue_kobjects net/core/net-sysfs.c:1830 [inline]
netdev_unregister_kobject+0x100/0x204 net/core/net-sysfs.c:1983
unregister_netdevice_many+0x11b8/0x175c net/core/dev.c:10908
unregister_netdevice_queue net/core/dev.c:10812 [inline]
unregister_netdevice include/linux/netdevice.h:3045 [inline]
unregister_netdev+0x178/0x1f0 net/core/dev.c:10940
bnep_session+0x2338/0x24dc net/bluetooth/bnep/core.c:524
kthread+0x250/0x2d8 kernel/kthread.c:376
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
irq event stamp: 6528
hardirqs last enabled at (6527): [<ffff800008343d08>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:261
hardirqs last disabled at (6528): [<ffff800012158694>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last enabled at (6432): [<ffff80001047a860>] spin_unlock_bh include/linux/spinlock.h:396 [inline]
softirqs last enabled at (6432): [<ffff80001047a860>] netif_addr_unlock_bh include/linux/netdevice.h:4467 [inline]
softirqs last enabled at (6432): [<ffff80001047a860>] dev_mc_flush+0x1b4/0x1f8 net/core/dev_addr_lists.c:1036
softirqs last disabled at (6430): [<ffff80001047ad98>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
==================================================================
BUG: KASAN: use-after-free in device_for_each_child+0xa8/0x174 drivers/base/core.c:4012
Read of size 8 at addr ffff0000de84d4c0 by task kbnepd bnep0/4371
CPU: 1 PID: 4371 Comm: kbnepd bnep0 Tainted: G W 6.1.87-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call trace:
dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:284 [inline]
print_report+0x174/0x4c0 mm/kasan/report.c:395
kasan_report+0xd4/0x130 mm/kasan/report.c:495
__asan_report_load8_noabort+0x2c/0x38 mm/kasan/report_generic.c:351
device_for_each_child+0xa8/0x174 drivers/base/core.c:4012
pm_runtime_set_memalloc_noio+0xf0/0x210 drivers/base/power/runtime.c:246
netdev_unregister_kobject+0x144/0x204 net/core/net-sysfs.c:1985
unregister_netdevice_many+0x11b8/0x175c net/core/dev.c:10908
unregister_netdevice_queue net/core/dev.c:10812 [inline]
unregister_netdevice include/linux/netdevice.h:3045 [inline]
unregister_netdev+0x178/0x1f0 net/core/dev.c:10940
bnep_session+0x2338/0x24dc net/bluetooth/bnep/core.c:524
kthread+0x250/0x2d8 kernel/kthread.c:376
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
Allocated by task 4258:
kasan_save_stack mm/kasan/common.c:45 [inline]
kasan_set_track+0x4c/0x80 mm/kasan/common.c:52
kasan_save_alloc_info+0x24/0x30 mm/kasan/generic.c:505
____kasan_kmalloc mm/kasan/common.c:374 [inline]
__kasan_kmalloc+0xac/0xc4 mm/kasan/common.c:383
kasan_kmalloc include/linux/kasan.h:211 [inline]
__do_kmalloc_node mm/slab_common.c:955 [inline]
__kmalloc+0xd8/0x1c4 mm/slab_common.c:968
kmalloc include/linux/slab.h:561 [inline]
kzalloc include/linux/slab.h:692 [inline]
hci_alloc_dev_priv+0x30/0x18a8 net/bluetooth/hci_core.c:2469
hci_alloc_dev include/net/bluetooth/hci_core.h:1475 [inline]
__vhci_create_device drivers/bluetooth/hci_vhci.c:308 [inline]
vhci_create_device+0xf8/0x6d0 drivers/bluetooth/hci_vhci.c:379
vhci_get_user drivers/bluetooth/hci_vhci.c:436 [inline]
vhci_write+0x318/0x3b8 drivers/bluetooth/hci_vhci.c:516
call_write_iter include/linux/fs.h:2265 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x610/0x914 fs/read_write.c:584
ksys_write+0x15c/0x26c fs/read_write.c:637
__do_sys_write fs/read_write.c:649 [inline]
__se_sys_write fs/read_write.c:646 [inline]
__arm64_sys_write+0x7c/0x90 fs/read_write.c:646
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Freed by task 4258:
kasan_save_stack mm/kasan/common.c:45 [inline]
kasan_set_track+0x4c/0x80 mm/kasan/common.c:52
kasan_save_free_info+0x38/0x5c mm/kasan/generic.c:516
____kasan_slab_free+0x144/0x1c0 mm/kasan/common.c:236
__kasan_slab_free+0x18/0x28 mm/kasan/common.c:244
kasan_slab_free include/linux/kasan.h:177 [inline]
slab_free_hook mm/slub.c:1724 [inline]
slab_free_freelist_hook mm/slub.c:1750 [inline]
slab_free mm/slub.c:3661 [inline]
__kmem_cache_free+0x2c0/0x4b4 mm/slub.c:3674
kfree+0xcc/0x1b8 mm/slab_common.c:1007
hci_release_dev+0x105c/0x11c4 net/bluetooth/hci_core.c:2797
bt_host_release+0x70/0x88 net/bluetooth/hci_sysfs.c:92
device_release+0x8c/0x1ac
kobject_cleanup lib/kobject.c:681 [inline]
kobject_release lib/kobject.c:712 [inline]
kref_put include/linux/kref.h:65 [inline]
kobject_put+0x2a8/0x41c lib/kobject.c:729
put_device+0x28/0x40 drivers/base/core.c:3794
hci_free_dev+0x24/0x34 net/bluetooth/hci_core.c:2592
vhci_release+0x84/0xcc drivers/bluetooth/hci_vhci.c:574
__fput+0x30c/0x7bc fs/file_table.c:320
____fput+0x20/0x30 fs/file_table.c:348
task_work_run+0x240/0x2f0 kernel/task_work.c:179
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0x554/0x1a88 kernel/exit.c:869
do_group_exit+0x194/0x22c kernel/exit.c:1019
get_signal+0x14a0/0x158c kernel/signal.c:2862
do_signal arch/arm64/kernel/signal.c:1076 [inline]
do_notify_resume+0x3ac/0x3474 arch/arm64/kernel/signal.c:1129
prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
el0_svc+0x9c/0x168 arch/arm64/kernel/entry-common.c:638
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Last potentially related work creation:
kasan_save_stack+0x40/0x70 mm/kasan/common.c:45
__kasan_record_aux_stack+0xcc/0xe8 mm/kasan/generic.c:486
kasan_record_aux_stack_noalloc+0x14/0x20 mm/kasan/generic.c:496
insert_work+0x64/0x384 kernel/workqueue.c:1361
__queue_work+0xd48/0x136c kernel/workqueue.c:1520
queue_work_on+0xc0/0x16c kernel/workqueue.c:1548
queue_work include/linux/workqueue.h:512 [inline]
hci_send_acl+0x904/0xc48 net/bluetooth/hci_core.c:3268
l2cap_do_send+0x238/0x350
l2cap_chan_send+0x190c/0x1e5c
l2cap_sock_sendmsg+0x184/0x2a8 net/bluetooth/l2cap_sock.c:1161
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
sock_sendmsg net/socket.c:753 [inline]
kernel_sendmsg+0x1c8/0x2a0 net/socket.c:777
bnep_tx_frame net/bluetooth/bnep/core.c:465 [inline]
bnep_session+0x1ea0/0x24dc net/bluetooth/bnep/core.c:508
kthread+0x250/0x2d8 kernel/kthread.c:376
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
Second to last potentially related work creation:
kasan_save_stack+0x40/0x70 mm/kasan/common.c:45
__kasan_record_aux_stack+0xcc/0xe8 mm/kasan/generic.c:486
kasan_record_aux_stack_noalloc+0x14/0x20 mm/kasan/generic.c:496
insert_work+0x64/0x384 kernel/workqueue.c:1361
__queue_work+0xd48/0x136c kernel/workqueue.c:1520
queue_work_on+0xc0/0x16c kernel/workqueue.c:1548
queue_work include/linux/workqueue.h:512 [inline]
hci_send_acl+0x904/0xc48 net/bluetooth/hci_core.c:3268
l2cap_do_send+0x238/0x350
l2cap_chan_send+0x190c/0x1e5c
l2cap_sock_sendmsg+0x184/0x2a8 net/bluetooth/l2cap_sock.c:1161
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
sock_sendmsg net/socket.c:753 [inline]
kernel_sendmsg+0x1c8/0x2a0 net/socket.c:777
bnep_tx_frame net/bluetooth/bnep/core.c:465 [inline]
bnep_session+0x1ea0/0x24dc net/bluetooth/bnep/core.c:508
kthread+0x250/0x2d8 kernel/kthread.c:376
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
The buggy address belongs to the object at ffff0000de84c000
which belongs to the cache kmalloc-8k of size 8192
The buggy address is located 5312 bytes inside of
8192-byte region [ffff0000de84c000, ffff0000de84e000)
The buggy address belongs to the physical page:
page:000000002e7852ca refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11e848
head:000000002e7852ca order:3 compound_mapcount:0 compound_pincount:0
flags: 0x5ffe00000010200(slab|head|node=0|zone=2|lastcpupid=0xfff)
raw: 05ffe00000010200 fffffc0003634e00 dead000000000003 ffff0000c0002c00
raw: 0000000000000000 0000000000020002 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff0000de84d380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff0000de84d400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff0000de84d480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff0000de84d500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff0000de84d580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
================================================================================
UBSAN: array-index-out-of-bounds in kernel/locking/qspinlock.c:131:9
index 13318 is out of range for type 'unsigned long[8]'
CPU: 1 PID: 4371 Comm: kbnepd bnep0 Tainted: G B W 6.1.87-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call trace:
dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
dump_stack+0x1c/0x5c lib/dump_stack.c:113
ubsan_epilogue lib/ubsan.c:151 [inline]
__ubsan_handle_out_of_bounds+0xfc/0x148 lib/ubsan.c:282
decode_tail kernel/locking/qspinlock.c:131 [inline]
queued_spin_lock_slowpath+0x9fc/0xe48 kernel/locking/qspinlock.c:471
queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
do_raw_spin_lock+0x330/0x358 kernel/locking/spinlock_debug.c:115
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
_raw_spin_lock_irqsave+0x74/0xb4 kernel/locking/spinlock.c:162
klist_next+0x8c/0x2e4 lib/klist.c:382
next_device drivers/base/core.c:3937 [inline]
device_for_each_child+0xc0/0x174 drivers/base/core.c:4016
pm_runtime_set_memalloc_noio+0xf0/0x210 drivers/base/power/runtime.c:246
netdev_unregister_kobject+0x144/0x204 net/core/net-sysfs.c:1985
unregister_netdevice_many+0x11b8/0x175c net/core/dev.c:10908
unregister_netdevice_queue net/core/dev.c:10812 [inline]
unregister_netdevice include/linux/netdevice.h:3045 [inline]
unregister_netdev+0x178/0x1f0 net/core/dev.c:10940
bnep_session+0x2338/0x24dc net/bluetooth/bnep/core.c:524
kthread+0x250/0x2d8 kernel/kthread.c:376
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
================================================================================
Unable to handle kernel paging request at virtual address ffff8000157b6fa0
KASAN: probably user-memory-access in range [0x00000000abdb7d00-0x00000000abdb7d07]
Mem abort info:
ESR = 0x0000000096000047
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x07: level 3 translation fault
Data abort info:
ISV = 0, ISS = 0x00000047
CM = 0, WnR = 1
swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000001b19e8000
[ffff8000157b6fa0] pgd=100000023ffff003, p4d=100000023ffff003, pud=100000023fffe003, pmd=100000023fffa003, pte=0000000000000000
Internal error: Oops: 0000000096000047 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4371 Comm: kbnepd bnep0 Tainted: G B W 6.1.87-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
pstate: 804010c5 (Nzcv daIF +PAN -UAO -TCO -DIT +SSBS BTYPE=--)
pc : queued_spin_lock_slowpath+0x3f4/0xe48 kernel/locking/qspinlock.c:474
lr : decode_tail kernel/locking/qspinlock.c:131 [inline]
lr : queued_spin_lock_slowpath+0x9fc/0xe48 kernel/locking/qspinlock.c:471
sp : ffff80001e5475a0
x29: ffff80001e547640 x28: 000000000000d01e x27: 1ffff00003ca8ec0
x26: dfff800000000000 x25: 1fffe0001b49e600 x24: 0000000000080000
x23: ffff0001b438cf88 x22: ffff8000157b6fa0 x21: ffff0001b438cf80
x20: 1fffe000368719f0 x19: ffff0000da4f3000 x18: 1fffe0003686f176
x17: 3d3d3d3d3d3d3d3d x16: ffff80001215c9dc x15: 3d3d3d3d3d3d3d3d
x14: 3d3d3d3d3d3d3d3d x13: 3d3d3d3d3d3d3d3d x12: ffff700003072ab0
x11: 0000000000ff0100 x10: ffff8000157b6f80 x9 : 0000000000000002
x8 : 0000000000000000 x7 : 3d3d3d3d3d3d3d3d x6 : ffff800008342900
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000081ae6f0
x2 : 0000000000000001 x1 : 0000000000000004 x0 : ffff0001b438cf88
Call trace:
queued_spin_lock_slowpath+0x3f4/0xe48 kernel/locking/qspinlock.c:477
queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
do_raw_spin_lock+0x330/0x358 kernel/locking/spinlock_debug.c:115
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
_raw_spin_lock_irqsave+0x74/0xb4 kernel/locking/spinlock.c:162
klist_next+0x8c/0x2e4 lib/klist.c:382
next_device drivers/base/core.c:3937 [inline]
device_for_each_child+0xc0/0x174 drivers/base/core.c:4016
pm_runtime_set_memalloc_noio+0xf0/0x210 drivers/base/power/runtime.c:246
netdev_unregister_kobject+0x144/0x204 net/core/net-sysfs.c:1985
unregister_netdevice_many+0x11b8/0x175c net/core/dev.c:10908
unregister_netdevice_queue net/core/dev.c:10812 [inline]
unregister_netdevice include/linux/netdevice.h:3045 [inline]
unregister_netdev+0x178/0x1f0 net/core/dev.c:10940
bnep_session+0x2338/0x24dc net/bluetooth/bnep/core.c:524
kthread+0x250/0x2d8 kernel/kthread.c:376
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
Code: aa1603e0 97739e7b aa1703e0 52800081 (f90002d5)
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
0: aa1603e0 mov x0, x22
4: 97739e7b bl 0xfffffffffdce79f0
8: aa1703e0 mov x0, x23
c: 52800081 mov w1, #0x4 // #4
* 10: f90002d5 str x21, [x22] <-- trapping instruction
Reply all
Reply to author
Forward
0 new messages