INFO: task syz-executor.1:9327 blocked for more than 143 seconds.
Not tainted 6.5.0-rc2-syzkaller-00307-gd192f5382581 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:29040 pid:9327 ppid:5049 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
nbd_start_device_ioctl drivers/block/nbd.c:1427 [inline]
__nbd_ioctl drivers/block/nbd.c:1488 [inline]
nbd_ioctl+0x317/0xd30 drivers/block/nbd.c:1528
blkdev_ioctl+0x2f9/0x770 block/ioctl.c:621
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f36d1a7cb29
RSP: 002b:00007f36d27030c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f36d1b9bf80 RCX: 00007f36d1a7cb29
RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
RBP: 00007f36d1ac847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f36d1b9bf80 R15: 00007fffa29ca048
INFO: task syz-executor.1:9333 blocked for more than 143 seconds.
Not tainted 6.5.0-rc2-syzkaller-00307-gd192f5382581 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:28992 pid:9333 ppid:5049 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
blk_mq_freeze_queue_wait+0x13f/0x190 block/blk-mq.c:139
nbd_add_socket+0x18c/0x980 drivers/block/nbd.c:1128
__nbd_ioctl drivers/block/nbd.c:1471 [inline]
nbd_ioctl+0x89a/0xd30 drivers/block/nbd.c:1528
blkdev_ioctl+0x2f9/0x770 block/ioctl.c:621
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f36d1a7cb29
RSP: 002b:00007f36d05fe0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f36d1b9c050 RCX: 00007f36d1a7cb29
RDX: 0000000000000005 RSI: 000000000000ab00 RDI: 0000000000000004
RBP: 00007f36d1ac847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f36d1b9c050 R15: 00007fffa29ca048
INFO: task syz-executor.1:9337 blocked for more than 143 seconds.
Not tainted 6.5.0-rc2-syzkaller-00307-gd192f5382581 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:29984 pid:9337 ppid:5049 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
nbd_ioctl+0x154/0xd30 drivers/block/nbd.c:1521
blkdev_ioctl+0x2f9/0x770 block/ioctl.c:621
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f36d1a7cb29
RSP: 002b:00007f36d05dd0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f36d1b9c120 RCX: 00007f36d1a7cb29
RDX: 0000000000000000 RSI: 000000000000ab04 RDI: 0000000000000004
RBP: 00007f36d1ac847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f36d1b9c120 R15: 00007fffa29ca048
INFO: task syz-executor.1:9339 blocked for more than 144 seconds.
Not tainted 6.5.0-rc2-syzkaller-00307-gd192f5382581 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:27680 pid:9339 ppid:5049 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
nbd_ioctl+0x154/0xd30 drivers/block/nbd.c:1521
blkdev_ioctl+0x2f9/0x770 block/ioctl.c:621
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f36d1a7cb29
RSP: 002b:00007f36d03bc0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f36d1b9c1f0 RCX: 00007f36d1a7cb29
RDX: 0000000000000000 RSI: 000000000000ab08 RDI: 0000000000000003
RBP: 00007f36d1ac847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f36d1b9c1f0 R15: 00007fffa29ca048
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8c9a25f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x2c/0xe20 kernel/rcu/tasks.h:522
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8c9a22f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x2c/0xe20 kernel/rcu/tasks.h:522
1 lock held by khungtaskd/27:
#0: ffffffff8c9a3200 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6615
3 locks held by kworker/u4:7/2835:
2 locks held by getty/4766:
#0: ffff88814bb7a098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900020282f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfcb/0x1480 drivers/tty/n_tty.c:2187
1 lock held by udevd/25868:
#0: ffff88801ff2a4c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x4f0/0xb20 block/bdev.c:803
1 lock held by syz-executor.1/9327:
#0: ffff888141365998 (&nbd->config_lock){+.+.}-{3:3}, at: nbd_start_device_ioctl drivers/block/nbd.c:1427 [inline]
#0: ffff888141365998 (&nbd->config_lock){+.+.}-{3:3}, at: __nbd_ioctl drivers/block/nbd.c:1488 [inline]
#0: ffff888141365998 (&nbd->config_lock){+.+.}-{3:3}, at: nbd_ioctl+0x317/0xd30 drivers/block/nbd.c:1528
1 lock held by syz-executor.1/9333:
#0: ffff888141365998 (&nbd->config_lock){+.+.}-{3:3}, at: nbd_ioctl+0x154/0xd30 drivers/block/nbd.c:1521
1 lock held by syz-executor.1/9337:
#0: ffff888141365998 (&nbd->config_lock){+.+.}-{3:3}, at: nbd_ioctl+0x154/0xd30 drivers/block/nbd.c:1521
1 lock held by syz-executor.1/9339:
#0: ffff888141365998 (&nbd->config_lock){+.+.}-{3:3}, at: nbd_ioctl+0x154/0xd30 drivers/block/nbd.c:1521
1 lock held by syz-executor.1/9430:
#0: ffff88801ff2a4c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x4f0/0xb20 block/bdev.c:803
1 lock held by syz-executor.1/9431:
#0: ffff88801ff2a4c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x4f0/0xb20 block/bdev.c:803
4 locks held by kworker/1:0/9476:
#0: ffff8880b993c418 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:558
#1: ffff8880b9928848 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2d9/0x900 kernel/sched/psi.c:999
#2: ffffffff8c9a31a0 (rcu_read_lock_bh){....}-{1:2}, at: rcu_read_lock_bh include/linux/rcupdate.h:799 [inline]
#2: ffffffff8c9a31a0 (rcu_read_lock_bh){....}-{1:2}, at: keep_key_fresh drivers/net/wireguard/send.c:129 [inline]
#2: ffffffff8c9a31a0 (rcu_read_lock_bh){....}-{1:2}, at: wg_packet_create_data_done drivers/net/wireguard/send.c:259 [inline]
#2: ffffffff8c9a31a0 (rcu_read_lock_bh){....}-{1:2}, at: wg_packet_tx_worker+0x22b/0x780 drivers/net/wireguard/send.c:276
#3: ffffffff8c9ced08 (tk_core.seq.seqcount){----}-{0:0}, at: ktime_get_coarse_boottime include/linux/timekeeping.h:100 [inline]
#3: ffffffff8c9ced08 (tk_core.seq.seqcount){----}-{0:0}, at: ktime_get_coarse_boottime_ns include/linux/timekeeping.h:136 [inline]
#3: ffffffff8c9ced08 (tk_core.seq.seqcount){----}-{0:0}, at: wg_birthdate_has_expired drivers/net/wireguard/timers.h:28 [inline]
#3: ffffffff8c9ced08 (tk_core.seq.seqcount){----}-{0:0}, at: keep_key_fresh drivers/net/wireguard/send.c:134 [inline]
#3: ffffffff8c9ced08 (tk_core.seq.seqcount){----}-{0:0}, at: wg_packet_create_data_done drivers/net/wireguard/send.c:259 [inline]
#3: ffffffff8c9ced08 (tk_core.seq.seqcount){----}-{0:0}, at: wg_packet_tx_worker+0x67e/0x780 drivers/net/wireguard/send.c:276
1 lock held by syz-executor.1/9483:
#0: ffff88801ff2a4c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x4f0/0xb20 block/bdev.c:803
1 lock held by syz-executor.1/9484:
#0: ffff88801ff2a4c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x4f0/0xb20 block/bdev.c:803
1 lock held by syz-executor.1/9485:
#0: ffff88801ff2a4c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x4f0/0xb20 block/bdev.c:803
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.5.0-rc2-syzkaller-00307-gd192f5382581 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x277/0x380 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x2ac/0x310 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xf29/0x11b0 kernel/hung_task.c:379
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:296
RIP: 0000:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 32486 Comm: kworker/u4:10 Not tainted 6.5.0-rc2-syzkaller-00307-gd192f5382581 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Workqueue: bat_events batadv_nc_worker
RIP: 0010:variable_test_bit arch/x86/include/asm/bitops.h:228 [inline]
RIP: 0010:arch_test_bit arch/x86/include/asm/bitops.h:240 [inline]
RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:142 [inline]
RIP: 0010:hlock_class kernel/locking/lockdep.c:228 [inline]
RIP: 0010:mark_lock+0x105/0x1950 kernel/locking/lockdep.c:4663
Code: 0f b7 53 20 66 81 e2 ff 1f 0f b7 d2 be 08 00 00 00 48 89 d0 48 89 54 24 38 48 c1 e8 06 48 8d 3c c5 80 0e 84 91 e8 5b 8f 72 00 <48> 8b 54 24 38 48 0f a3 15 ee fd 1d 10 0f 83 61 01 00 00 48 69 d2
RSP: 0018:ffffc9000b1c77e0 EFLAGS: 00000046
RAX: 0000000000000001 RBX: ffff8880289deb58 RCX: ffffffff81661085
RDX: fffffbfff23081d1 RSI: 0000000000000008 RDI: ffffffff91840e80
RBP: ffffc9000b1c7948 R08: 0000000000000000 R09: fffffbfff23081d0
R10: ffffffff91840e87 R11: 0000000000000000 R12: 0000000000000200
R13: 0000000000000009 R14: 1ffff92001638f04 R15: ffff8880289deb78
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a909354600 CR3: 000000000c776000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
mark_usage kernel/locking/lockdep.c:4606 [inline]
__lock_acquire+0x975/0x5de0 kernel/locking/lockdep.c:5098
lock_acquire kernel/locking/lockdep.c:5761 [inline]
lock_acquire+0x1ae/0x510 kernel/locking/lockdep.c:5726
rcu_lock_acquire include/linux/rcupdate.h:303 [inline]
rcu_read_lock include/linux/rcupdate.h:749 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
batadv_nc_worker+0x175/0x10f0 net/batman-adv/network-coding.c:719
process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2597
worker_thread+0x687/0x1110 kernel/workqueue.c:2748
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:296
RIP: 0000:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000