INFO: task syz-executor.0:22885 blocked for more than 143 seconds.
Not tainted 6.5.0-rc4-syzkaller-00174-gc1a515d3c027 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27392 pid:22885 ppid:5066 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
coredump_task_exit kernel/exit.c:436 [inline]
do_exit+0x3f4/0x2a20 kernel/exit.c:823
do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
get_signal+0x23ea/0x2770 kernel/signal.c:2881
arch_do_signal_or_restart+0x89/0x5f0 arch/x86/kernel/signal.c:308
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204
irqentry_exit_to_user_mode+0x9/0x40 kernel/entry/common.c:310
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0033:0x7f9e6e0387a1
RSP: 002b:00007f9e6e2bfa60 EFLAGS: 00000286
RAX: ffffffff81c4a9ae RBX: 00007f9e6e19c0e8 RCX: 000000000000a620
RDX: ffffffff81c63bb4 RSI: 00007f9e6d800008 RDI: 0000000000011b01
RBP: 0000000081c4af09 R08: 0000001b2fa20000 R09: 0000000000000f0a
R10: 0000000081c4af0d R11: 0000000000000293 R12: 000000000000a620
R13: 0000000000000001 R14: 00007f9e6e190000 R15: ffffffff81c4a9ae
INFO: task syz-executor.0:22887 blocked for more than 143 seconds.
Not tainted 6.5.0-rc4-syzkaller-00174-gc1a515d3c027 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:24720 pid:22887 ppid:5066 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_timeout+0x27a/0x2c0 kernel/time/timer.c:2143
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x3e2/0x5f0 kernel/sched/completion.c:106
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion_state+0x1c/0x30 kernel/sched/completion.c:254
coredump_wait fs/coredump.c:414 [inline]
do_coredump+0x92e/0x3fc0 fs/coredump.c:571
get_signal+0x2464/0x2770 kernel/signal.c:2867
arch_do_signal_or_restart+0x89/0x5f0 arch/x86/kernel/signal.c:308
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297
do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f9e6e07cae9
RSP: 002b:00007f9e6ed87178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f9e6e19c058 RCX: 00007f9e6e07cae9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f9e6e19c058
RBP: 00007f9e6e19c050 R08: 00007f9e6ed876c0 R09: 00007f9e6ed876c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9e6e19c05c
R13: 000000000000006e R14: 00007f9e6e2bf960 R15: 00007f9e6e2bfa48
INFO: task syz-executor.0:22888 blocked for more than 143 seconds.
Not tainted 6.5.0-rc4-syzkaller-00174-gc1a515d3c027 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27856 pid:22888 ppid:5066 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
coredump_task_exit kernel/exit.c:436 [inline]
do_exit+0x3f4/0x2a20 kernel/exit.c:823
do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
get_signal+0x23ea/0x2770 kernel/signal.c:2881
arch_do_signal_or_restart+0x89/0x5f0 arch/x86/kernel/signal.c:308
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297
do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f9e6e07cae9
RSP: 002b:00007f9e6ed66178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f9e6e19c128 RCX: 00007f9e6e07cae9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f9e6e19c128
RBP: 00007f9e6e19c120 R08: 00007f9e6ed666c0 R09: 00007f9e6ed666c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9e6e19c12c
R13: 000000000000006e R14: 00007f9e6e2bf960 R15: 00007f9e6e2bfa48
INFO: task syz-executor.0:22891 blocked for more than 144 seconds.
Not tainted 6.5.0-rc4-syzkaller-00174-gc1a515d3c027 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:29472 pid:22891 ppid:5066 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
coredump_task_exit kernel/exit.c:436 [inline]
do_exit+0x3f4/0x2a20 kernel/exit.c:823
do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
get_signal+0x23ea/0x2770 kernel/signal.c:2881
arch_do_signal_or_restart+0x89/0x5f0 arch/x86/kernel/signal.c:308
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297
do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f9e6e07cae9
RSP: 002b:00007f9e6ed45178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f9e6e19c1f8 RCX: 00007f9e6e07cae9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f9e6e19c1f8
RBP: 00007f9e6e19c1f0 R08: 00007f9e6ed456c0 R09: 00007f9e6ed456c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9e6e19c1fc
R13: 000000000000006e R14: 00007f9e6e2bf960 R15: 00007f9e6e2bfa48
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8c9a5970 (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/14:
#0: ffffffff8c9a5670 (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/28:
#0: ffffffff8c9a6580 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6615
2 locks held by getty/4792:
#0: ffff88802ce62098 (&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+0xfcb/0x1480 drivers/tty/n_tty.c:2187
2 locks held by kworker/u4:9/22033:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.5.0-rc4-syzkaller-00174-gc1a515d3c027 #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:304
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 22033 Comm: kworker/u4:9 Not tainted 6.5.0-rc4-syzkaller-00174-gc1a515d3c027 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Workqueue: bat_events batadv_nc_worker
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:200
Code: 66 17 99 02 66 0f 1f 44 00 00 f3 0f 1e fa 48 8b be b0 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1e fa 65 8b 05 5d b1 7d 7e 89 c1 48 8b 34 24 81 e1 00 01 00
RSP: 0018:ffffc90015a47bb0 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff89fc0a30
RDX: ffff88801f7f8000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 00000000000001d5 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88814c0154c0
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c000974820 CR3: 000000000c776000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_read_unlock include/linux/rcupdate.h:781 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:412 [inline]
batadv_nc_worker+0x8df/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:304