INFO: task syz-executor.4:31484 blocked for more than 143 seconds.
Not tainted 6.7.0-syzkaller-12283-g16c595a53c5f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:26000 pid:31484 tgid:31478 ppid:5077 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_timeout+0x257/0x290 kernel/time/timer.c:2159
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x3e0/0x5f0 kernel/sched/completion.c:116
__flush_work+0x523/0xa10 kernel/workqueue.c:3410
__cancel_work_timer+0x3ef/0x590 kernel/workqueue.c:3497
tls_sk_proto_close+0x4b1/0xac0 net/tls/tls_main.c:376
inet_release+0x132/0x270 net/ipv4/af_inet.c:433
inet6_release+0x4f/0x70 net/ipv6/af_inet6.c:485
__sock_release+0xae/0x260 net/socket.c:659
sock_close+0x1c/0x20 net/socket.c:1421
__fput+0x270/0xb70 fs/file_table.c:376
task_work_run+0x14d/0x240 kernel/task_work.c:180
get_signal+0x106f/0x2790 kernel/signal.c:2669
arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop kernel/entry/common.c:105 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:201 [inline]
syscall_exit_to_user_mode+0x156/0x2b0 kernel/entry/common.c:212
do_syscall_64+0xe0/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f4960e7cda9
RSP: 002b:00007f4961bf80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: 0000000000090000 RBX: 00007f4960fac050 RCX: 00007f4960e7cda9
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 00007f4960ec947a R08: 0000000000000000 R09: 0000000000000000
R10: 00000ffffffff00f R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f4960fac050 R15: 00007ffeb2b04b98
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8d1acba0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
#0: ffffffff8d1acba0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
#0: ffffffff8d1acba0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
2 locks held by getty/4811:
#0: ffff88802f8ca0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900015c02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc6/0x1490 drivers/tty/n_tty.c:2201
1 lock held by syz-executor.5/5082:
#0: ffff8880b993ccd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:559
1 lock held by syz-executor.1/5085:
3 locks held by kworker/1:0/3143:
#0: ffff888013088d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1: ffffc90004dffd80 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
#2: ffff88804736b0f0 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x134/0x230 net/tls/tls_sw.c:2544
2 locks held by kworker/u4:32/17123:
#0: ffff888013089938 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1: ffff8880b9828a08 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2d9/0x900 kernel/sched/psi.c:988
3 locks held by kworker/0:1/18132:
#0: ffff888013088d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1: ffffc9000b727d80 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
#2: ffff88801dff50f0 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x134/0x230 net/tls/tls_sw.c:2544
1 lock held by syz-executor.4/31484:
#0: ffff888061082610 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
#0: ffff888061082610 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x260 net/socket.c:658
1 lock held by syz-executor.4/31850:
4 locks held by kworker/0:0/32052:
#0: ffff8880b983ccd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:559
#1: ffff8880b9828a08 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2d9/0x900 kernel/sched/psi.c:988
#2: ffffffff8dc7bab8 (pool_rwlock){----}-{2:2}, at: stack_depot_save_flags+0x179/0x730 lib/stackdepot.c:508
#3: ffffffff92b88338 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_activate+0x195/0x540 lib/debugobjects.c:708
2 locks held by kworker/1:4/32106:
#0: ffff88801308a938 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1: ffffc9000a5a7d80 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
1 lock held by syz-executor.0/32535:
#0: ffff888079b4ee10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
#0: ffff888079b4ee10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x260 net/socket.c:658
3 locks held by syz-executor.0/409:
#0: ffff8880b983ccd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:559
#1: ffff8880b9828a08 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2d9/0x900 kernel/sched/psi.c:988
#2: ffff8880b9828a08 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_change+0x1b0/0x2e0 kernel/sched/psi.c:912
3 locks held by syz-executor.5/3894:
#0: ffff888082d31a10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
#0: ffff888082d31a10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x260 net/socket.c:658
#1: ffff88807f9cab30 (sk_lock-AF_PHONET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1691 [inline]
#1: ffff88807f9cab30 (sk_lock-AF_PHONET){+.+.}-{0:0}, at: pep_sock_unhash+0x1c/0x3f0 net/phonet/pep.c:1302
#2: ffffffff8d1b83f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:293 [inline]
#2: ffffffff8d1b83f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x6b1/0x800 kernel/rcu/tree_exp.h:996
3 locks held by syz-executor.2/3947:
3 locks held by syz-executor.4/3964:
2 locks held by syz-executor.3/3966:
2 locks held by syz-executor.1/3967:
#0: ffff8880b983ccd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:559
#1: ffff8880b9828a08 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2d9/0x900 kernel/sched/psi.c:988
1 lock held by syz-executor.1/3969:
#0: ffff8880b983ccd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:559
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.7.0-syzkaller-12283-g16c595a53c5f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x277/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x299/0x300 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+0xf87/0x1210 kernel/hung_task.c:379
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 17094 Comm: kworker/u4:6 Not tainted 6.7.0-syzkaller-12283-g16c595a53c5f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Workqueue: bat_events batadv_nc_worker
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:103 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x64/0x190 mm/kasan/generic.c:189
Code: 89 fd 48 b8 00 00 00 00 00 fc ff df 4d 89 d1 48 c1 ed 03 49 c1 e9 03 48 01 c5 49 01 c1 48 89 e8 49 8d 59 01 48 89 da 48 29 ea <48> 83 fa 10 0f 8e 89 00 00 00 41 89 eb 41 83 e3 07 0f 85 96 00 00
RSP: 0018:ffffc900157478d8 EFLAGS: 00000002
RAX: fffffbfff2429de8 RBX: fffffbfff2429de9 RCX: ffffffff8167952e
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffffff9214ef40
RBP: fffffbfff2429de8 R08: 0000000000000000 R09: fffffbfff2429de8
R10: ffffffff9214ef47 R11: 0000000000000002 R12: ffff88807ecbe450
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000018
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb909ed56c6 CR3: 000000003af21000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
instrument_atomic_read include/linux/instrumented.h:68 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
hlock_class+0x4e/0x130 kernel/locking/lockdep.c:228
check_wait_context kernel/locking/lockdep.c:4773 [inline]
__lock_acquire+0x402/0x3b30 kernel/locking/lockdep.c:5087
lock_acquire kernel/locking/lockdep.c:5754 [inline]
lock_acquire+0x1ae/0x520 kernel/locking/lockdep.c:5719
rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
rcu_read_lock include/linux/rcupdate.h:750 [inline]
batadv_nc_process_nc_paths.part.0+0xe4/0x3e0 net/batman-adv/network-coding.c:687
batadv_nc_process_nc_paths net/batman-adv/network-coding.c:679 [inline]
batadv_nc_worker+0xded/0x10e0 net/batman-adv/network-coding.c:735
process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
process_scheduled_works kernel/workqueue.c:2706 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242