INFO: task dhcpcd:3219 blocked for more than 143 seconds.
Not tainted 6.1.78-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd state:D stack:20744 pid:3219 ppid:3218 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0x142d/0x4550 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
netlink_dump+0xce/0xc50 net/netlink/af_netlink.c:2178
netlink_recvmsg+0x6c8/0x1180 net/netlink/af_netlink.c:1956
____sys_recvmsg+0x285/0x530
___sys_recvmsg net/socket.c:2775 [inline]
__sys_recvmsg+0x2e9/0x3d0 net/socket.c:2805
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa9b9d2591e
RSP: 002b:00007fffb61f8368 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 00007fffb61f9490 RCX: 00007fa9b9d2591e
RDX: 0000000000000000 RSI: 00007fffb61f93b0 RDI: 0000000000000019
RBP: 00007fffb61f9420 R08: 0000000000000000 R09: 0000000000020000
R10: 00000000000000cc R11: 0000000000000246 R12: 0000000000000bb0
R13: 00007fffb61f9394 R14: 00007fffb61f93b0 R15: 00007fffb61f93a0
INFO: task kworker/1:6:3608 blocked for more than 144 seconds.
Not tainted 6.1.78-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:6 state:D stack:23896 pid:3608 ppid:2 flags:0x00004000
Workqueue: events switchdev_deferred_process_work
Call Trace:
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0x142d/0x4550 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:75
process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
INFO: task kworker/1:14:13805 blocked for more than 144 seconds.
Not tainted 6.1.78-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:14 state:D stack:27368 pid:13805 ppid:2 flags:0x00004000
Workqueue: events linkwatch_event
Call Trace:
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0x142d/0x4550 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
linkwatch_event+0xa/0x50 net/core/link_watch.c:263
process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
INFO: task syz-executor.1:14110 blocked for more than 145 seconds.
Not tainted 6.1.78-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:21736 pid:14110 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0x142d/0x4550 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
rtnl_lock net/core/rtnetlink.c:74 [inline]
rtnetlink_rcv_msg+0x7c1/0xff0 net/core/rtnetlink.c:6119
netlink_rcv_skb+0x1cd/0x410 net/netlink/af_netlink.c:2508
netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline]
netlink_unicast+0x7d8/0x970 net/netlink/af_netlink.c:1352
netlink_sendmsg+0xa26/0xd60 net/netlink/af_netlink.c:1874
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
__sys_sendto+0x480/0x600 net/socket.c:2148
__do_sys_sendto net/socket.c:2160 [inline]
__se_sys_sendto net/socket.c:2156 [inline]
__x64_sys_sendto+0xda/0xf0 net/socket.c:2156
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f82a307fa9c
RSP: 002b:00007ffdc48d1bf0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f82a3cd4620 RCX: 00007f82a307fa9c
RDX: 0000000000000028 RSI: 00007f82a3cd4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffdc48d1c44 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f82a3cd4670 R15: 0000000000000000
INFO: task syz-executor.2:14119 blocked for more than 145 seconds.
Not tainted 6.1.78-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:21736 pid:14119 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0x142d/0x4550 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
rtnl_lock net/core/rtnetlink.c:74 [inline]
rtnetlink_rcv_msg+0x7c1/0xff0 net/core/rtnetlink.c:6119
netlink_rcv_skb+0x1cd/0x410 net/netlink/af_netlink.c:2508
netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline]
netlink_unicast+0x7d8/0x970 net/netlink/af_netlink.c:1352
netlink_sendmsg+0xa26/0xd60 net/netlink/af_netlink.c:1874
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
__sys_sendto+0x480/0x600 net/socket.c:2148
__do_sys_sendto net/socket.c:2160 [inline]
__se_sys_sendto net/socket.c:2156 [inline]
__x64_sys_sendto+0xda/0xf0 net/socket.c:2156
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbb2387fa9c
RSP: 002b:00007fffd1708d80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fbb244d4620 RCX: 00007fbb2387fa9c
RDX: 0000000000000068 RSI: 00007fbb244d4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007fffd1708dd4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007fbb244d4670 R15: 0000000000000000
INFO: task syz-executor.0:14538 blocked for more than 146 seconds.
Not tainted 6.1.78-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:25288 pid:14538 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0x142d/0x4550 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
ip_tunnel_init_net+0x20f/0x700 net/ipv4/ip_tunnel.c:1072
ops_init+0x356/0x600 net/core/net_namespace.c:135
setup_net+0x4b5/0xb90 net/core/net_namespace.c:332
copy_net_ns+0x395/0x5d0 net/core/net_namespace.c:478
create_new_namespaces+0x425/0x7a0 kernel/nsproxy.c:110
unshare_nsproxy_namespaces+0x11e/0x170 kernel/nsproxy.c:226
ksys_unshare+0x580/0xb20 kernel/fork.c:3203
__do_sys_unshare kernel/fork.c:3274 [inline]
__se_sys_unshare kernel/fork.c:3272 [inline]
__x64_sys_unshare+0x34/0x40 kernel/fork.c:3272
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f74fdc7f507
RSP: 002b:00007fffd4d89278 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f74fdc7f507
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007fffd4d89350 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffd4d89938
R13: 0000000000000003 R14: 00007f74fddac9d8 R15: 000000000000000c
Showing all locks held in the system:
6 locks held by kworker/u4:0/9:
#0: ffff888012616938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#1: ffffc900000e7d20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#2: ffffffff8e288950 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xf1/0xb60 net/core/net_namespace.c:563
#3: ffffffff8e294ba8 (rtnl_mutex){+.+.}-{3:3}, at: default_device_exit_batch+0xe5/0x9d0 net/core/dev.c:11377
#4: ffff888021cc07c8 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:5639 [inline]
#4: ffff888021cc07c8 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: cfg80211_netdev_notifier_call+0x897/0x1530 net/wireless/core.c:1497
#5: ffffffff8d12fd38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline]
#5: ffffffff8d12fd38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3b0/0x8a0 kernel/rcu/tree_exp.h:949
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d12a910 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:516
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8d12b110 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:516
1 lock held by khungtaskd/28:
#0: ffffffff8d12a740 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:318 [inline]
#0: ffffffff8d12a740 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:759 [inline]
#0: ffffffff8d12a740 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 kernel/locking/lockdep.c:6494
5 locks held by kworker/u4:3/46:
1 lock held by dhcpcd/3219:
#0: ffffffff8e294ba8 (rtnl_mutex){+.+.}-{3:3}, at: netlink_dump+0xce/0xc50 net/netlink/af_netlink.c:2178
2 locks held by getty/3304:
#0: ffff88814b854098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900031262f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a7/0x1db0 drivers/tty/n_tty.c:2188
2 locks held by kworker/1:3/3575:
#0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#1: ffffc90003b4fd20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
3 locks held by kworker/0:6/3605:
#0: ffff888028a72538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#1: ffffc9000443fd20 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#2: ffffffff8e294ba8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x15/0x30 net/ipv6/addrconf.c:4639
3 locks held by kworker/1:6/3608:
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#1: ffffc900048cfd20 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#2: ffffffff8e294ba8 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:75
3 locks held by kworker/u4:7/4195:
3 locks held by kworker/1:11/13800:
#0: ffff888028a72538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#1: ffffc900058efd20 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#2: ffffffff8e294ba8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x15/0x30 net/ipv6/addrconf.c:4639
3 locks held by kworker/1:14/13805:
#0: ffff888012470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#1: ffffc9000591fd20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#2: ffffffff8e294ba8 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xa/0x50 net/core/link_watch.c:263
1 lock held by syz-executor.1/14110:
#0: ffffffff8e294ba8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e294ba8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7c1/0xff0 net/core/rtnetlink.c:6119
1 lock held by syz-executor.2/14119:
#0: ffffffff8e294ba8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e294ba8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7c1/0xff0 net/core/rtnetlink.c:6119
2 locks held by syz-executor.0/14538:
#0: ffffffff8e288950 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x37b/0x5d0 net/core/net_namespace.c:474
#1: ffffffff8e294ba8 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20f/0x700 net/ipv4/ip_tunnel.c:1072
1 lock held by syz-executor.1/14799:
#0: ffffffff8e294ba8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e294ba8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7c1/0xff0 net/core/rtnetlink.c:6119
1 lock held by syz-executor.2/14808:
#0: ffffffff8e294ba8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e294ba8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7c1/0xff0 net/core/rtnetlink.c:6119
1 lock held by syz-executor.0/14955:
#0: ffffffff8e294ba8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e294ba8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7c1/0xff0 net/core/rtnetlink.c:6119
1 lock held by syz-executor.1/15222:
#0: ffffffff8e294ba8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e294ba8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7c1/0xff0 net/core/rtnetlink.c:6119
1 lock held by syz-executor.2/15231:
#0: ffffffff8e294ba8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e294ba8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7c1/0xff0 net/core/rtnetlink.c:6119
1 lock held by syz-executor.3/15381:
1 lock held by syz-executor.0/15389:
#0: ffffffff8e294ba8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e294ba8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7c1/0xff0 net/core/rtnetlink.c:6119
1 lock held by syz-executor.3/15400:
1 lock held by syz-executor.3/15412:
3 locks held by syz-executor.4/15415:
2 locks held by syz-executor.3/15426:
2 locks held by syz-executor.4/15429:
1 lock held by syz-executor.3/15432:
2 locks held by syz-executor.4/15438:
3 locks held by syz-executor.3/15439:
2 locks held by syz-executor.3/15442:
3 locks held by syz-executor.4/15447:
2 locks held by syz-executor.3/15449:
2 locks held by syz-executor.3/15455:
3 locks held by syz-executor.4/15456:
2 locks held by syz-executor.4/15462:
3 locks held by syz-executor.3/15463:
2 locks held by syz-executor.4/15469:
2 locks held by syz-executor.3/15470:
2 locks held by syz-executor.4/15476:
2 locks held by syz-executor.3/15477:
2 locks held by syz-executor.4/15483:
2 locks held by syz-executor.3/15484:
2 locks held by syz-executor.4/15490:
1 lock held by syz-executor.3/15491:
3 locks held by syz-executor.4/15497:
3 locks held by syz-executor.3/15498:
3 locks held by syz-executor.4/15504:
2 locks held by syz-executor.3/15505:
2 locks held by syz-executor.4/15511:
3 locks held by syz-executor.3/15512:
3 locks held by syz-executor.4/15516:
2 locks held by syz-executor.3/15518:
2 locks held by syz-executor.4/15521:
3 locks held by syz-executor.3/15526:
2 locks held by syz-executor.4/15528:
2 locks held by syz-executor.3/15533:
2 locks held by syz-executor.4/15535:
1 lock held by syz-executor.3/15538:
2 locks held by syz-executor.4/15541:
2 locks held by syz-executor.3/15542:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.78-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x4e1/0x560 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1b0/0x3f0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xf88/0xfd0 kernel/hung_task.c:377
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2993 Comm: klogd Not tainted 6.1.78-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:valid_section include/linux/mmzone.h:1760 [inline]
RIP: 0010:pfn_valid include/linux/mmzone.h:1858 [inline]
RIP: 0010:__virt_addr_valid+0x22a/0x520 arch/x86/mm/physaddr.c:65
Code: 0d 01 48 c7 c7 20 98 e9 8a be 55 03 00 00 48 c7 c2 60 98 e9 8a e8 76 03 2d 00 4d 85 ff 74 36 4c 89 f8 48 c1 e8 03 80 3c 28 00 <74> 08 4c 89 ff e8 6c 45 a4 00 49 8b 1f 48 89 de 48 83 e6 02 31 ff
RSP: 0018:ffffc9000318fa60 EFLAGS: 00000246
RAX: 1ffff11027fff228 RBX: 0000000000000001 RCX: ffff88807dce3b80
RDX: 0000000000000000 RSI: ffffffff8b3d0e60 RDI: ffffffff8b3d0e20
RBP: dffffc0000000000 R08: ffffffff813da4f0 R09: fffffbfff2092245
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000050125800
R13: 000000000000003b R14: ffffffff813da4bf R15: ffff88813fff9140
FS: 00007f5a4fd32380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3dec2d56c6 CR3: 000000007e039000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
check_heap_object mm/usercopy.c:188 [inline]
__check_object_size+0x108/0xa30 mm/usercopy.c:250
check_object_size include/linux/thread_info.h:199 [inline]
check_copy_size include/linux/thread_info.h:235 [inline]
copy_to_user include/linux/uaccess.h:168 [inline]
syslog_print+0x7ae/0x9b0 kernel/printk/printk.c:1577
do_syslog+0x819/0x910 kernel/printk/printk.c:1679
__do_sys_syslog kernel/printk/printk.c:1771 [inline]
__se_sys_syslog kernel/printk/printk.c:1769 [inline]
__x64_sys_syslog+0x78/0x90 kernel/printk/printk.c:1769
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5a4fe93fa7
Code: 73 01 c3 48 8b 0d 81 ce 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 67 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 51 ce 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffe48496a38 EFLAGS: 00000206 ORIG_RAX: 0000000000000067
RAX: ffffffffffffffda RBX: 00007f5a500324a0 RCX: 00007f5a4fe93fa7
RDX: 00000000000003ff RSI: 00007f5a500324a0 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000002 R09: 44f27ca5afb35c83
R10: 0000000000004000 R11: 0000000000000206 R12: 00007f5a500324a0
R13: 00007f5a50022212 R14: 00007f5a5003251e R15: 00007f5a5003251e