process_one_work kernel/workqueue.c:3228 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3309
worker_thread+0x86d/0xd40 kernel/workqueue.c:3387
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P10334/1:b..l
rcu: (detected by 0, t=10502 jiffies, g=40297, q=1039 ncpus=2)
task:syz.3.813 state:R running task stack:24144 pid:10334 tgid:10331 ppid:10168 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6782
preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6806
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
__raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
_raw_spin_unlock+0x3e/0x50 kernel/locking/spinlock.c:186
spin_unlock include/linux/spinlock.h:391 [inline]
wp_page_copy mm/memory.c:3436 [inline]
do_wp_page+0x1da4/0x52f0 mm/memory.c:3727
handle_pte_fault+0x1138/0x6eb0 mm/memory.c:5538
__handle_mm_fault mm/memory.c:5665 [inline]
handle_mm_fault+0x1021/0x1990 mm/memory.c:5830
do_user_addr_fault arch/x86/mm/fault.c:1389 [inline]
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x2b9/0x8c0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:rep_movs_alternative+0x4a/0x70 arch/x86/lib/copy_user_64.S:71
Code: 75 f1 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 48 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 df 83 f9 08 73 e8 eb c9 a4 c3 cc cc cc cc 48 89 c8 48 c1 e9 03 83 e0 07 f3 48 a5 89 c1
RSP: 0018:ffffc90013f27738 EFLAGS: 00050206
RAX: ffffffff84ad6801 RBX: 00000000000101d0 RCX: 0000000000007e00
RDX: 0000000000000000 RSI: ffff8880483884b8 RDI: 00000000201fc000
RBP: ffffc90013f278b0 R08: ffff8880483902b7 R09: 1ffff11009072056
R10: dffffc0000000000 R11: ffffed1009072057 R12: 1ffff920027e4fc3
R13: 00000000201f3c30 R14: ffffc90013f27e18 R15: ffff8880483800e8
copy_user_generic arch/x86/include/asm/uaccess_64.h:110 [inline]
raw_copy_to_user arch/x86/include/asm/uaccess_64.h:131 [inline]
copy_to_user_iter lib/iov_iter.c:25 [inline]
iterate_ubuf include/linux/iov_iter.h:29 [inline]
iterate_and_advance2 include/linux/iov_iter.h:245 [inline]
iterate_and_advance include/linux/iov_iter.h:271 [inline]
_copy_to_iter+0x26b/0x1960 lib/iov_iter.c:185
copy_to_iter include/linux/uio.h:196 [inline]
simple_copy_to_iter net/core/datagram.c:520 [inline]
__skb_datagram_iter+0x110/0x8c0 net/core/datagram.c:401
skb_copy_datagram_iter+0xd1/0x250 net/core/datagram.c:534
skb_copy_datagram_msg include/linux/skbuff.h:4020 [inline]
tipc_recvstream+0x7a8/0xf80 net/tipc/socket.c:2069
sock_recvmsg_nosec net/socket.c:1046 [inline]
sock_recvmsg+0x22f/0x280 net/socket.c:1068
____sys_recvmsg+0x1db/0x470 net/socket.c:2816
___sys_recvmsg net/socket.c:2858 [inline]
__sys_recvmsg+0x2f0/0x3e0 net/socket.c:2888
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2386375bd9
RSP: 002b:00007f2387091048 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 00007f2386504038 RCX: 00007f2386375bd9
RDX: 0000000000001f00 RSI: 0000000020000500 RDI: 0000000000000005
RBP: 00007f23863e4e60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f2386504038 R15: 00007ffd857bc608
rcu: rcu_preempt kthread starved for 10181 jiffies! g40297 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:R running task stack:26096 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
__schedule_loop kernel/sched/core.c:6680 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6695
schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2034
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2236
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:106 [inline]
NMI backtrace for cpu 1 skipped: idling at acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:111
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: lockdep is turned off.
DEBUG: holding rtnl_mutex for 10682 jiffies.
task:syz-executor state:R running task stack:20688 pid:10215 tgid:10215 ppid:10207 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6925
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:trace_notifier_run include/trace/events/notifier.h:59 [inline]
RIP: 0010:notifier_call_chain+0x15d/0x3e0 kernel/notifier.c:92
Code: 0e 0f 92 c3 40 0f 92 c5 bf 02 00 00 00 89 ee e8 c9 f5 32 00 31 ff 89 ee e8 c0 f5 32 00 84 db 74 10 e8 a7 11 19 00 84 c0 74 0e ae f2 32 00 eb 19 e8 a7 f2 32 00 eb 12 80 3d 4f 80 39 0e 01 0f
RSP: 0018:ffffc900020af178 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff816098fa
RDX: ffff888020413c00 RSI: ffffffff8c209860 RDI: ffffffff8c209820
RBP: 0000000000000001 R08: ffffffff81609920 R09: 1ffffffff1f5fa55
R10: dffffc0000000000 R11: fffffbfff1f5fa56 R12: 1ffffffff1edbf90
R13: 00000000fffffffe R14: dffffc0000000000 R15: ffffffff8f6dfc80
blocking_notifier_call_chain+0x69/0x90 kernel/notifier.c:388
__inet_insert_ifa+0x9d4/0xc30 net/ipv4/devinet.c:561
inet_rtm_newaddr+0xbda/0x1af0 net/ipv4/devinet.c:986
rtnetlink_rcv_msg+0x8a0/0x1180 net/core/rtnetlink.c:6728
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x7f0/0x990 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
__sys_sendto+0x3a4/0x4f0 net/socket.c:2204
__do_sys_sendto net/socket.c:2216 [inline]
__se_sys_sendto net/socket.c:2212 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2212
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f139397796c
RSP: 002b:00007ffd45301f70 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f1394634620 RCX: 00007f139397796c
RDX: 0000000000000028 RSI: 00007f1394634670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffd45301fc4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f1394634670 R15: 0000000000000000
DEBUG: waiting rtnl_mutex for 10730 jiffies.
task:kworker/u8:16 state:D stack:20960 pid:5276 tgid:5276 ppid:2 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
__schedule_loop kernel/sched/core.c:6680 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6695
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6752
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4193
process_one_work kernel/workqueue.c:3228 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3309
worker_thread+0x86d/0xd40 kernel/workqueue.c:3387
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: lockdep is turned off.
DEBUG: holding rtnl_mutex for 10858 jiffies.
task:syz-executor state:R running task stack:20688 pid:10215 tgid:10215 ppid:10207 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6925
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:trace_notifier_run include/trace/events/notifier.h:59 [inline]
RIP: 0010:notifier_call_chain+0x15d/0x3e0 kernel/notifier.c:92
Code: 0e 0f 92 c3 40 0f 92 c5 bf 02 00 00 00 89 ee e8 c9 f5 32 00 31 ff 89 ee e8 c0 f5 32 00 84 db 74 10 e8 a7 11 19 00 84 c0 74 0e ae f2 32 00 eb 19 e8 a7 f2 32 00 eb 12 80 3d 4f 80 39 0e 01 0f
RSP: 0018:ffffc900020af178 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff816098fa
RDX: ffff888020413c00 RSI: ffffffff8c209860 RDI: ffffffff8c209820
RBP: 0000000000000001 R08: ffffffff81609920 R09: 1ffffffff1f5fa55
R10: dffffc0000000000 R11: fffffbfff1f5fa56 R12: 1ffffffff1edbf90
R13: 00000000fffffffe R14: dffffc0000000000 R15: ffffffff8f6dfc80
blocking_notifier_call_chain+0x69/0x90 kernel/notifier.c:388
__inet_insert_ifa+0x9d4/0xc30 net/ipv4/devinet.c:561
inet_rtm_newaddr+0xbda/0x1af0 net/ipv4/devinet.c:986
rtnetlink_rcv_msg+0x8a0/0x1180 net/core/rtnetlink.c:6728
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x7f0/0x990 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
__sys_sendto+0x3a4/0x4f0 net/socket.c:2204
__do_sys_sendto net/socket.c:2216 [inline]
__se_sys_sendto net/socket.c:2212 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2212
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f139397796c
RSP: 002b:00007ffd45301f70 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f1394634620 RCX: 00007f139397796c
RDX: 0000000000000028 RSI: 00007f1394634670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffd45301fc4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f1394634670 R15: 0000000000000000
DEBUG: waiting rtnl_mutex for 10906 jiffies.
task:kworker/u8:16 state:D stack:20960 pid:5276 tgid:5276 ppid:2 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
__schedule_loop kernel/sched/core.c:6680 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6695
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6752
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4193
process_one_work kernel/workqueue.c:3228 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3309
worker_thread+0x86d/0xd40 kernel/workqueue.c:3387
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: lockdep is turned off.
DEBUG: holding rtnl_mutex for 11034 jiffies.
task:syz-executor state:R running task stack:20688 pid:10215 tgid:10215 ppid:10207 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6925
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:trace_notifier_run include/trace/events/notifier.h:59 [inline]
RIP: 0010:notifier_call_chain+0x15d/0x3e0 kernel/notifier.c:92
Code: 0e 0f 92 c3 40 0f 92 c5 bf 02 00 00 00 89 ee e8 c9 f5 32 00 31 ff 89 ee e8 c0 f5 32 00 84 db 74 10 e8 a7 11 19 00 84 c0 74 0e ae f2 32 00 eb 19 e8 a7 f2 32 00 eb 12 80 3d 4f 80 39 0e 01 0f
RSP: 0018:ffffc900020af178 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff816098fa
RDX: ffff888020413c00 RSI: ffffffff8c209860 RDI: ffffffff8c209820
RBP: 0000000000000001 R08: ffffffff81609920 R09: 1ffffffff1f5fa55
R10: dffffc0000000000 R11: fffffbfff1f5fa56 R12: 1ffffffff1edbf90
R13: 00000000fffffffe R14: dffffc0000000000 R15: ffffffff8f6dfc80
blocking_notifier_call_chain+0x69/0x90 kernel/notifier.c:388
__inet_insert_ifa+0x9d4/0xc30 net/ipv4/devinet.c:561
inet_rtm_newaddr+0xbda/0x1af0 net/ipv4/devinet.c:986
rtnetlink_rcv_msg+0x8a0/0x1180 net/core/rtnetlink.c:6728
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x7f0/0x990 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
__sys_sendto+0x3a4/0x4f0 net/socket.c:2204
__do_sys_sendto net/socket.c:2216 [inline]
__se_sys_sendto net/socket.c:2212 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2212
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f139397796c
RSP: 002b:00007ffd45301f70 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f1394634620 RCX: 00007f139397796c
RDX: 0000000000000028 RSI: 00007f1394634670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffd45301fc4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f1394634670 R15: 0000000000000000
DEBUG: waiting rtnl_mutex for 11082 jiffies.
task:kworker/u8:16 state:D stack:20960 pid:5276 tgid:5276 ppid:2 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
__schedule_loop kernel/sched/core.c:6680 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6695
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6752
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4193
process_one_work kernel/workqueue.c:3228 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3309
worker_thread+0x86d/0xd40 kernel/workqueue.c:3387
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: lockdep is turned off.
DEBUG: holding rtnl_mutex for 11210 jiffies.
task:syz-executor state:R running task stack:20688 pid:10215 tgid:10215 ppid:10207 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6925
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:trace_notifier_run include/trace/events/notifier.h:59 [inline]
RIP: 0010:notifier_call_chain+0x15d/0x3e0 kernel/notifier.c:92
Code: 0e 0f 92 c3 40 0f 92 c5 bf 02 00 00 00 89 ee e8 c9 f5 32 00 31 ff 89 ee e8 c0 f5 32 00 84 db 74 10 e8 a7 11 19 00 84 c0 74 0e ae f2 32 00 eb 19 e8 a7 f2 32 00 eb 12 80 3d 4f 80 39 0e 01 0f
RSP: 0018:ffffc900020af178 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff816098fa
RDX: ffff888020413c00 RSI: ffffffff8c209860 RDI: ffffffff8c209820
RBP: 0000000000000001 R08: ffffffff81609920 R09: 1ffffffff1f5fa55
R10: dffffc0000000000 R11: fffffbfff1f5fa56 R12: 1ffffffff1edbf90
R13: 00000000fffffffe R14: dffffc0000000000 R15: ffffffff8f6dfc80
blocking_notifier_call_chain+0x69/0x90 kernel/notifier.c:388
__inet_insert_ifa+0x9d4/0xc30 net/ipv4/devinet.c:561
inet_rtm_newaddr+0xbda/0x1af0 net/ipv4/devinet.c:986
rtnetlink_rcv_msg+0x8a0/0x1180 net/core/rtnetlink.c:6728
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x7f0/0x990 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
__sys_sendto+0x3a4/0x4f0 net/socket.c:2204
__do_sys_sendto net/socket.c:2216 [inline]
__se_sys_sendto net/socket.c:2212 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2212
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f139397796c
RSP: 002b:00007ffd45301f70 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f1394634620 RCX: 00007f139397796c
RDX: 0000000000000028 RSI: 00007f1394634670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffd45301fc4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f1394634670 R15: 0000000000000000
DEBUG: waiting rtnl_mutex for 11258 jiffies.
task:kworker/u8:16 state:D stack:20960 pid:5276 tgid:5276 ppid:2 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
__schedule_loop kernel/sched/core.c:6680 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6695
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6752
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4193
process_one_work kernel/workqueue.c:3228 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3309
worker_thread+0x86d/0xd40 kernel/workqueue.c:3387
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: lockdep is turned off.
DEBUG: holding rtnl_mutex for 11386 jiffies.
task:syz-executor state:R running task stack:20688 pid:10215 tgid:10215 ppid:10207 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6925
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:trace_notifier_run include/trace/events/notifier.h:59 [inline]
RIP: 0010:notifier_call_chain+0x15d/0x3e0 kernel/notifier.c:92
Code: 0e 0f 92 c3 40 0f 92 c5 bf 02 00 00 00 89 ee e8 c9 f5 32 00 31 ff 89 ee e8 c0 f5 32 00 84 db 74 10 e8 a7 11 19 00 84 c0 74 0e ae f2 32 00 eb 19 e8 a7 f2 32 00 eb 12 80 3d 4f 80 39 0e 01 0f
RSP: 0018:ffffc900020af178 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff816098fa
RDX: ffff888020413c00 RSI: ffffffff8c209860 RDI: ffffffff8c209820
RBP: 0000000000000001 R08: ffffffff81609920 R09: 1ffffffff1f5fa55
R10: dffffc0000000000 R11: fffffbfff1f5fa56 R12: 1ffffffff1edbf90
R13: 00000000fffffffe R14: dffffc0000000000 R15: ffffffff8f6dfc80
blocking_notifier_call_chain+0x69/0x90 kernel/notifier.c:388
__inet_insert_ifa+0x9d4/0xc30 net/ipv4/devinet.c:561
inet_rtm_newaddr+0xbda/0x1af0 net/ipv4/devinet.c:986
rtnetlink_rcv_msg+0x8a0/0x1180 net/core/rtnetlink.c:6728
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x7f0/0x990 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
__sys_sendto+0x3a4/0x4f0 net/socket.c:2204
__do_sys_sendto net/socket.c:2216 [inline]
__se_sys_sendto net/socket.c:2212 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2212
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f139397796c
RSP: 002b:00007ffd45301f70 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f1394634620 RCX: 00007f139397796c
RDX: 0000000000000028 RSI: 00007f1394634670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffd45301fc4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f1394634670 R15: 0000000000000000
DEBUG: waiting rtnl_mutex for 11434 jiffies.
task:kworker/u8:16 state:D stack:20960 pid:5276 tgid:5276 ppid:2 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
__schedule_loop kernel/sched/core.c:6680 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6695
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6752
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4193
process_one_work kernel/workqueue.c:3228 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3309
worker_thread+0x86d/0xd40 kernel/workqueue.c:3387
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: lockdep is turned off.