IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
Bluetooth: hci7 command 0x0409 tx timeout
Bluetooth: hci7 command 0x041b tx timeout
Bluetooth: hci7 command 0x040f tx timeout
Bluetooth: hci7 command 0x0419 tx timeout
INFO: task syz-executor.1:9574 blocked for more than 140 seconds.
Not tainted 4.14.295-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.1 D28912 9574 7993 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2811 [inline]
__schedule+0x88b/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
__rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:588 [inline]
rwsem_down_write_failed+0x343/0x6d0 kernel/locking/rwsem-xadd.c:617
call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:105
__down_write arch/x86/include/asm/rwsem.h:126 [inline]
down_write+0x4f/0x90 kernel/locking/rwsem.c:56
inode_lock include/linux/fs.h:719 [inline]
fuse_flush+0x1c7/0x520 fs/fuse/file.c:423
filp_close+0x9d/0x140 fs/open.c:1158
__close_fd+0x151/0x230 fs/file.c:639
SYSC_close fs/open.c:1177 [inline]
SyS_close+0x42/0x90 fs/open.c:1175
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f6f159ef37b
RSP: 002b:00007fffed73da80 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6f159ef37b
RDX: 0000001b2eb20000 RSI: 0000001b2eb258a4 RDI: 0000000000000004
RBP: 00007f6f15b5f980 R08: 0000000000000000 R09: 00000000a1181158
R10: 0009ddc3021cec52 R11: 0000000000000293 R12: 00000000000452c2
R13: 00007fffed73db80 R14: 00007f6f15b5e050 R15: 0000000000000032
INFO: task syz-executor.1:9578 blocked for more than 140 seconds.
Not tainted 4.14.295-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.1 D28136 9578 7993 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2811 [inline]
__schedule+0x88b/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
fuse_wait_on_page_writeback fs/fuse/file.c:385 [inline]
fuse_wait_on_page_writeback.isra.0+0xdc/0x120 fs/fuse/file.c:381
fuse_launder_page fs/fuse/file.c:2042 [inline]
fuse_launder_page+0xa2/0xd0 fs/fuse/file.c:2035
do_launder_page mm/truncate.c:609 [inline]
invalidate_inode_pages2_range+0x547/0xc00 mm/truncate.c:685
fuse_finish_open+0x262/0x500 fs/fuse/file.c:181
fuse_open_common+0x234/0x290 fs/fuse/file.c:224
do_dentry_open+0x44b/0xec0 fs/open.c:777
vfs_open+0x105/0x220 fs/open.c:888
do_last fs/namei.c:3428 [inline]
path_openat+0x628/0x2970 fs/namei.c:3571
do_filp_open+0x179/0x3c0 fs/namei.c:3605
do_sys_open+0x296/0x410 fs/open.c:1081
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f6f15a3d5a9
RSP: 002b:00007f6f143b0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f6f15b5df80 RCX: 00007f6f15a3d5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0
RBP: 00007f6f15a98580 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffed73da1f R14: 00007f6f143b0300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/1534:
#0: (tasklist_lock){.+.+}, at: [<ffffffff87024c59>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4548
1 lock held by syz-executor.1/9574:
#0: (&sb->s_type->i_mutex_key#21){+.+.}, at: [<ffffffff822f6317>] inode_lock include/linux/fs.h:719 [inline]
#0: (&sb->s_type->i_mutex_key#21){+.+.}, at: [<ffffffff822f6317>] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423
2 locks held by syz-executor.1/9578:
#0: (sb_writers#13){.+.+}, at: [<ffffffff818e083a>] sb_start_write include/linux/fs.h:1551 [inline]
#0: (sb_writers#13){.+.+}, at: [<ffffffff818e083a>] mnt_want_write+0x3a/0xb0 fs/namespace.c:386
#1: (&sb->s_type->i_mutex_key#21){+.+.}, at: [<ffffffff822f5f24>] inode_lock include/linux/fs.h:719 [inline]
#1: (&sb->s_type->i_mutex_key#21){+.+.}, at: [<ffffffff822f5f24>] fuse_open_common+0x1a4/0x290 fs/fuse/file.c:217
1 lock held by syz-executor.1/9896:
#0: (&sb->s_type->i_mutex_key#21){+.+.}, at: [<ffffffff822f6317>] inode_lock include/linux/fs.h:719 [inline]
#0: (&sb->s_type->i_mutex_key#21){+.+.}, at: [<ffffffff822f6317>] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423
2 locks held by syz-executor.1/9898:
#0: (sb_writers#13){.+.+}, at: [<ffffffff818e083a>] sb_start_write include/linux/fs.h:1551 [inline]
#0: (sb_writers#13){.+.+}, at: [<ffffffff818e083a>] mnt_want_write+0x3a/0xb0 fs/namespace.c:386
#1: (&sb->s_type->i_mutex_key#21){+.+.}, at: [<ffffffff822f5f24>] inode_lock include/linux/fs.h:719 [inline]
#1: (&sb->s_type->i_mutex_key#21){+.+.}, at: [<ffffffff822f5f24>] fuse_open_common+0x1a4/0x290 fs/fuse/file.c:217
1 lock held by syz-executor.1/10184:
#0: (&sb->s_type->i_mutex_key#21){+.+.}, at: [<ffffffff822f6317>] inode_lock include/linux/fs.h:719 [inline]
#0: (&sb->s_type->i_mutex_key#21){+.+.}, at: [<ffffffff822f6317>] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423
2 locks held by syz-executor.1/10185:
#0: (sb_writers#13){.+.+}, at: [<ffffffff818e083a>] sb_start_write include/linux/fs.h:1551 [inline]
#0: (sb_writers#13){.+.+}, at: [<ffffffff818e083a>] mnt_want_write+0x3a/0xb0 fs/namespace.c:386
#1: (&sb->s_type->i_mutex_key#21){+.+.}, at: [<ffffffff822f5f24>] inode_lock include/linux/fs.h:719 [inline]
#1: (&sb->s_type->i_mutex_key#21){+.+.}, at: [<ffffffff822f5f24>] fuse_open_common+0x1a4/0x290 fs/fuse/file.c:217
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 1534 Comm: khungtaskd Not tainted 4.14.295-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x1b2/0x281 lib/dump_stack.c:58
nmi_cpu_backtrace.cold+0x57/0x93 lib/nmi_backtrace.c:101
nmi_trigger_cpumask_backtrace+0x13a/0x180 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:140 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:195 [inline]
watchdog+0x5b9/0xb40 kernel/hung_task.c:274
kthread+0x30d/0x420 kernel/kthread.c:232
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 9 Comm: rcu_preempt Not tainted 4.14.295-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
task: ffff8880b5420240 task.stack: ffff8880b5428000
RIP: 0010:do_raw_spin_lock+0x12b/0x200 kernel/locking/spinlock_debug.c:115
RSP: 0018:ffff8880b542fac8 EFLAGS: 00000096
RAX: dffffc0000000000 RBX: 0000000000032480 RCX: 0000000000007be6
RDX: 1ffffffff17fcc7b RSI: 0000000000000001 RDI: ffffffff8bfe63cc
RBP: ffffffff8bfe63c8 R08: ffffffff8b9dfa30 R09: 00000000000c0001
R10: ffff8880b5420af0 R11: ffff8880b5420240 R12: ffff8880b5420240
R13: ffffffff8bfe63d8 R14: ffff8880b542fd18 R15: ffffffff8bfe63c8
FS: 0000000000000000(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4d42ec2000 CR3: 00000000a1e22000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:117 [inline]
_raw_spin_lock_irqsave+0x94/0xc0 kernel/locking/spinlock.c:160
debug_object_deactivate lib/debugobjects.c:502 [inline]
debug_object_deactivate+0xdf/0x2e0 lib/debugobjects.c:491
debug_timer_deactivate kernel/time/timer.c:698 [inline]
debug_deactivate kernel/time/timer.c:750 [inline]
detach_timer kernel/time/timer.c:790 [inline]
detach_if_pending+0x82/0x430 kernel/time/timer.c:809
try_to_del_timer_sync+0x9a/0xe0 kernel/time/timer.c:1181
del_timer_sync+0x17c/0x240 kernel/time/timer.c:1246
schedule_timeout+0x4b7/0xe90 kernel/time/timer.c:1748
rcu_gp_kthread+0xc0a/0x1e60 kernel/rcu/tree.c:2255
kthread+0x30d/0x420 kernel/kthread.c:232
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 00 00 fc ff df 4c 89 ea 89 5d 08 48 c1 ea 03 65 4c 8b 24 25 c0 7f 02 00 80 3c 02 00 0f 85 ab 00 00 00 4c 89 65 10 48 83 c4 08 5b <5d> 41 5c 41 5d c3 48 c7 c6 c0 4c 8a 87 48 89 ef e8 20 fd ff ff