IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
Bluetooth: hci4: command 0x040f tx timeout
Bluetooth: hci4: command 0x0419 tx timeout
Bluetooth: hci3: command 0x0406 tx timeout
Bluetooth: hci4: command 0x0406 tx timeout
INFO: task syz-executor.3:9113 blocked for more than 140 seconds.
Not tainted 4.19.165-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.3 D27024 9113 6243 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1002 [inline]
__mutex_lock+0x647/0x1260 kernel/locking/mutex.c:1072
hugetlb_fault+0x2b8/0x1200 mm/hugetlb.c:3988
handle_mm_fault+0x902/0xb10 mm/memory.c:4293
__do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
RIP: 0033:0x445487
Code: Bad RIP value.
RSP: 002b:00007ffd0f55cb38 EFLAGS: 00010202
RAX: 0000000020000040 RBX: 00000000011a0130 RCX: 000000007665642f
RDX: 000000000000000c RSI: 00000000011a0150 RDI: 0000000020000040
RBP: 00000000011a0138 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffd0f55cc10 R11: 0000000000000246 R12: fffffffffffffffe
R13: 00000000000b7dd0 R14: 00000000000003e8 R15: 000000000119bf8c
INFO: task syz-executor.5:9126 blocked for more than 140 seconds.
Not tainted 4.19.165-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D28648 9126 8141 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1002 [inline]
__mutex_lock+0x647/0x1260 kernel/locking/mutex.c:1072
hugetlb_fault+0x2b8/0x1200 mm/hugetlb.c:3988
handle_mm_fault+0x902/0xb10 mm/memory.c:4293
__do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
RIP: 0033:0x400684
Code: Bad RIP value.
RSP: 002b:00007ffcd9b61370 EFLAGS: 00010202
RAX: 0000000000000009 RBX: 00000000011a0000 RCX: 0000000020000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000009
RBP: 00000000011a0008 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffcd9b61480 R11: 0000000000000000 R12: fffffffffffffffe
R13: 000000000119ca00 R14: 00000000000003e8 R15: 000000000119bf8c
Showing all locks held in the system:
1 lock held by khungtaskd/1566:
#0: 000000003ab375e8 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4440
1 lock held by in:imklog/7795:
#0: 000000006d2a00c4 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767
2 locks held by syz-executor.3/9113:
#0: 000000003a6ffae7 (&mm->mmap_sem){++++}, at: __do_page_fault+0x398/0xd60 arch/x86/mm/fault.c:1341
#1: 000000008d0ca533 (&hugetlb_fault_mutex_table[i]){+.+.}, at: hugetlb_fault+0x2b8/0x1200 mm/hugetlb.c:3988
5 locks held by syz-executor.3/9118:
2 locks held by syz-executor.5/9126:
#0: 00000000bbc1faaf (&mm->mmap_sem){++++}, at: __do_page_fault+0x398/0xd60 arch/x86/mm/fault.c:1341
#1: 00000000aa158680 (&hugetlb_fault_mutex_table[i]){+.+.}, at: hugetlb_fault+0x2b8/0x1200 mm/hugetlb.c:3988
5 locks held by syz-executor.5/9130:
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 1566 Comm: khungtaskd Not tainted 4.19.165-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101
nmi_trigger_cpumask_backtrace+0x1a6/0x1eb lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline]
watchdog+0x991/0xe60 kernel/hung_task.c:287
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4690 Comm: systemd-journal Not tainted 4.19.165-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__orc_find+0x3b/0xf0 arch/x86/kernel/unwind_orc.c:50
Code: 48 83 ec 10 85 d2 0f 84 95 00 00 00 4c 39 e7 49 89 fd 0f 87 9a 00 00 00 49 bf 00 00 00 00 00 fc ff df 49 89 fe 48 89 fd eb 0c <48> 8d 6b 04 49 89 de 49 39 ec 72 4d 4c 89 e0 48 29 e8 48 89 c2 48
RSP: 0018:ffff8880a0ccf7a8 EFLAGS: 00000002
RAX: ffffffff81a96bb9 RBX: ffffffff8b39c418 RCX: ffffffff81a96c39
RDX: 0000000000000000 RSI: ffffffff8b9af622 RDI: ffffffff8b39c418
RBP: ffffffff8b39c418 R08: ffffffff8b9af640 R09: ffffffff8b9af622
R10: 0000000000074071 R11: 000000000002690f R12: ffffffff8b39c41c
R13: ffffffff8b39c418 R14: ffffffff8b39c418 R15: dffffc0000000000
FS: 00007fe96e1d28c0(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe96b963000 CR3: 00000000a0d41000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
orc_find arch/x86/kernel/unwind_orc.c:159 [inline]
unwind_next_frame+0x33b/0x1c60 arch/x86/kernel/unwind_orc.c:422
__save_stack_trace+0x9f/0x190 arch/x86/kernel/stacktrace.c:44
save_stack mm/kasan/kasan.c:448 [inline]
set_track mm/kasan/kasan.c:460 [inline]
__kasan_slab_free+0x126/0x1f0 mm/kasan/kasan.c:521
__cache_free mm/slab.c:3503 [inline]
kmem_cache_free+0x7f/0x260 mm/slab.c:3765
putname+0xe1/0x120 fs/namei.c:261
filename_parentat+0x4da/0x590 fs/namei.c:2399
filename_create+0x9e/0x490 fs/namei.c:3621
user_path_create fs/namei.c:3696 [inline]
do_mkdirat+0xa0/0x2d0 fs/namei.c:3834
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fe96d48e687
Code: 00 b8 ff ff ff ff c3 0f 1f 40 00 48 8b 05 09 d8 2b 00 64 c7 00 5f 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e1 d7 2b 00 f7 d8 64 89 01 48
RSP: 002b:00007ffda78edcf8 EFLAGS: 00000293 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007ffda78f0c10 RCX: 00007fe96d48e687
RDX: 00007fe96deffa00 RSI: 00000000000001ed RDI: 0000559dc55658a0
RBP: 00007ffda78edd30 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000069 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ffda78f0c10 R15: 00007ffda78ee220