INFO: task dhcpcd:3217 blocked for more than 148 seconds.
Not tainted 6.1.76-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd state:D stack:20672 pid:3217 ppid:3216 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_start+0x12e/0x6e0 net/netlink/af_netlink.c:2300
netlink_dump_start include/linux/netlink.h:269 [inline]
rtnetlink_rcv_msg+0xd4c/0xff0 net/core/rtnetlink.c:6078
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: 0033:0x7f5524bb8ad7
RSP: 002b:00007fffacdb6d48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fffacdb7e70 RCX: 00007f5524bb8ad7
RDX: 0000000000000014 RSI: 00007fffacdb7d90 RDI: 0000000000000018
RBP: 00007fffacdb7e00 R08: 00007fffacdb7d74 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000012
R13: 00007fffacdb7d74 R14: 00007fffacdb7d90 R15: 0000000000000105
INFO: task kworker/u4:12:10906 blocked for more than 149 seconds.
Not tainted 6.1.76-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:12 state:D stack:23616 pid:10906 ppid:2 flags:0x00004000
Workqueue: netns cleanup_net
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
synchronize_rcu_expedited+0x6dc/0x8a0 kernel/rcu/tree_exp.h:964
dev_deactivate_many+0x4a0/0xb00 net/sched/sch_generic.c:1356
__dev_close_many+0x26b/0x3c0 net/core/dev.c:1528
dev_close_many+0x22a/0x530 net/core/dev.c:1566
unregister_netdevice_many+0x4f7/0x17a0 net/core/dev.c:10852
ip_tunnel_delete_nets+0x2ed/0x330 net/ipv4/ip_tunnel.c:1126
ops_exit_list net/core/net_namespace.c:174 [inline]
cleanup_net+0x763/0xb60 net/core/net_namespace.c:601
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.0:23735 blocked for more than 149 seconds.
Not tainted 6.1.76-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:21736 pid:23735 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
unregister_nexthop_notifier+0x78/0x210 net/ipv4/nexthop.c:3621
nsim_fib_destroy+0x85/0x180 drivers/net/netdevsim/fib.c:1656
nsim_dev_reload_destroy+0x2df/0x490 drivers/net/netdevsim/dev.c:1663
nsim_drv_remove+0x5c/0x160 drivers/net/netdevsim/dev.c:1675
device_remove drivers/base/dd.c:548 [inline]
__device_release_driver drivers/base/dd.c:1260 [inline]
device_release_driver_internal+0x4f3/0x880 drivers/base/dd.c:1286
bus_remove_device+0x2e5/0x400 drivers/base/bus.c:529
device_del+0x6e2/0xbd0 drivers/base/core.c:3852
device_unregister+0x1c/0xc0 drivers/base/core.c:3895
nsim_bus_dev_del drivers/net/netdevsim/bus.c:310 [inline]
del_device_store+0x35f/0x480 drivers/net/netdevsim/bus.c:219
kernfs_fop_write_iter+0x3a2/0x4f0 fs/kernfs/file.c:330
call_write_iter include/linux/fs.h:2249 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x7ae/0xba0 fs/read_write.c:584
ksys_write+0x19c/0x2c0 fs/read_write.c:637
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: 0033:0x7fd0cee7caef
RSP: 002b:00007ffcac5bd540 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd0cee7caef
RDX: 0000000000000001 RSI: 00007ffcac5bd590 RDI: 0000000000000005
RBP: 00007fd0ceeca021 R08: 0000000000000000 R09: 00007ffcac5bd397
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007ffcac5bd590 R14: 00007fd0cfad4620 R15: 0000000000000003
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d12a890 (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: ffffffff8d12b090 (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: ffffffff8d12a6c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:318 [inline]
#0: ffffffff8d12a6c0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:759 [inline]
#0: ffffffff8d12a6c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 kernel/locking/lockdep.c:6494
1 lock held by dhcpcd/3217:
#0: ffffffff8e2942a8 (rtnl_mutex){+.+.}-{3:3}, at: __netlink_dump_start+0x12e/0x6e0 net/netlink/af_netlink.c:2300
2 locks held by getty/3301:
#0: ffff88814b54d098 (&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
5 locks held by kworker/u4:12/10906:
#0: ffff888012616938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#1: ffffc90013917d20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#2: ffffffff8e288050 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xf1/0xb60 net/core/net_namespace.c:563
#3: ffffffff8e2942a8 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_delete_nets+0xc9/0x330 net/ipv4/ip_tunnel.c:1121
#4: ffffffff8d12fcb8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline]
#4: ffffffff8d12fcb8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x479/0x8a0 kernel/rcu/tree_exp.h:949
2 locks held by kworker/1:3/14988:
3 locks held by kworker/0:6/10370:
7 locks held by syz-executor.0/23735:
#0: ffff888074904460 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x269/0xba0 fs/read_write.c:580
#1: ffff88803df22c88 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1e7/0x4f0 fs/kernfs/file.c:321
#2: ffff888144f013a8 (kn->active#51){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20b/0x4f0 fs/kernfs/file.c:322
#3: ffffffff8dc08f48 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xf8/0x480 drivers/net/netdevsim/bus.c:209
#4: ffff8880182b90e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:836 [inline]
#4: ffff8880182b90e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1080 [inline]
#4: ffff8880182b90e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xb6/0x880 drivers/base/dd.c:1283
#5: ffff8880182bb2f8 (&devlink->lock_key#6){+.+.}-{3:3}, at: nsim_drv_remove+0x54/0x160 drivers/net/netdevsim/dev.c:1674
#6: ffffffff8e2942a8 (rtnl_mutex){+.+.}-{3:3}, at: unregister_nexthop_notifier+0x78/0x210 net/ipv4/nexthop.c:3621
3 locks held by kworker/1:0/23769:
#0: ffff888145722138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#1: ffffc900030ffd20 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#2: ffffffff8e2942a8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x15/0x30 net/ipv6/addrconf.c:4639
1 lock held by syz-executor.0/23887:
#0: ffffffff8e2942a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e2942a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7c1/0xff0 net/core/rtnetlink.c:6119
1 lock held by syz-executor.0/24012:
#0: ffffffff8e2942a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
#0: ffffffff8e2942a8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7c1/0xff0 net/core/rtnetlink.c:6119
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.76-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 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 24049 Comm: syz-executor.4 Not tainted 6.1.76-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:memset_erms+0xb/0x10 arch/x86/lib/memset_64.S:65
Code: 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 f3 aa <4c> 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 01 01
RSP: 0018:ffffc900033feff8 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 1ffffffff1efea8f RCX: 0000000000000000
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc900033ff140
RBP: dffffc0000000000 R08: dffffc0000000000 R09: ffffc900033ff130
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900033ff0e0
R13: ffffffff8f7f547e R14: ffffc900033ff115 R15: ffffc900033ff130
FS: 00007fca3b2b26c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555ee0938 CR3: 00000000935a3000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
unwind_next_frame+0xde7/0x2220 arch/x86/kernel/unwind_orc.c:546
arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
save_stack+0xf6/0x1e0 mm/page_owner.c:127
__set_page_owner+0x26/0x390 mm/page_owner.c:190
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2513
prep_new_page mm/page_alloc.c:2520 [inline]
get_page_from_freelist+0x31a1/0x3320 mm/page_alloc.c:4279
__alloc_pages+0x28d/0x770 mm/page_alloc.c:5545
__get_free_pages+0x8/0x30 mm/page_alloc.c:5595
kasan_populate_vmalloc_pte+0x35/0xf0 mm/kasan/shadow.c:271
apply_to_pte_range mm/memory.c:2645 [inline]
apply_to_pmd_range mm/memory.c:2689 [inline]
apply_to_pud_range mm/memory.c:2725 [inline]
apply_to_p4d_range mm/memory.c:2761 [inline]
__apply_to_page_range+0x9c5/0xcc0 mm/memory.c:2795
alloc_vmap_area+0x1977/0x1ac0 mm/vmalloc.c:1646
__get_vm_area_node+0x16c/0x360 mm/vmalloc.c:2505
__vmalloc_node_range+0x394/0x1460 mm/vmalloc.c:3183
__bpf_map_area_alloc kernel/bpf/syscall.c:332 [inline]
bpf_map_area_alloc+0xe0/0xf0 kernel/bpf/syscall.c:339
queue_stack_map_alloc+0xc6/0x1d0 kernel/bpf/queue_stack_maps.c:77
find_and_alloc_map kernel/bpf/syscall.c:131 [inline]
map_create+0x4c0/0xd20 kernel/bpf/syscall.c:1128
__sys_bpf+0x2d3/0x6c0 kernel/bpf/syscall.c:4981
__do_sys_bpf kernel/bpf/syscall.c:5103 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5101 [inline]
__x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5101
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: 0033:0x7fca3a47dda9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fca3b2b20c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fca3a5abf80 RCX: 00007fca3a47dda9
RDX: 0000000000000048 RSI: 0000000020000440 RDI: 0000000000000000
RBP: 00007fca3a4ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fca3a5abf80 R15: 00007ffdaec7afc8