INFO: task kworker/u10:1:36 blocked for more than 143 seconds.
      Not tainted 6.16.0-rc5-syzkaller-00159-g47c84997c686 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u10:1   state:D stack:23624 pid:36    tgid:36    ppid:2      task_flags:0x4208060 flags:0x00004000
Workqueue: events_unbound linkwatch_event
Call Trace:
 <TASK>
 __schedule+0x16f5/0x4d00
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x724/0xe80
 linkwatch_event+0xe/0x60
 process_scheduled_works+0xae1/0x17b0
 worker_thread+0x8a0/0xda0
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>
INFO: task dhcpcd:5575 blocked for more than 146 seconds.
      Not tainted 6.16.0-rc5-syzkaller-00159-g47c84997c686 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd          state:D stack:21384 pid:5575  tgid:5575  ppid:5574   task_flags:0x400140 flags:0x00004002
Call Trace:
 <TASK>
 __schedule+0x16f5/0x4d00
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x724/0xe80
 rtnl_dumpit+0x92/0x200
 netlink_dump+0x6cf/0xe90
 __netlink_dump_start+0x5cb/0x7e0
 rtnetlink_rcv_msg+0x9eb/0xb70
 netlink_rcv_skb+0x208/0x470
 netlink_unicast+0x75c/0x8e0
 netlink_sendmsg+0x805/0xb30
 __sock_sendmsg+0x21c/0x270
 __sys_sendto+0x3bd/0x520
 __x64_sys_sendto+0xde/0x100
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa999be4ad7
RSP: 002b:00007ffc0f31ebc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007ffc0f31fcf0 RCX: 00007fa999be4ad7
RDX: 0000000000000014 RSI: 00007ffc0f31fc10 RDI: 0000000000000008
RBP: 00007ffc0f31fc80 R08: 00007ffc0f31fbf4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000012
R13: 00007ffc0f31fbf4 R14: 00007ffc0f31fc10 R15: 0000000000000105
 </TASK>
INFO: task syz-executor:7133 blocked for more than 146 seconds.
      Not tainted 6.16.0-rc5-syzkaller-00159-g47c84997c686 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:22760 pid:7133  tgid:7133  ppid:1      task_flags:0x400140 flags:0x00004004
Call Trace:
 <TASK>
 __schedule+0x16f5/0x4d00
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x724/0xe80
 rtnl_newlink+0x8db/0x1c70
 rtnetlink_rcv_msg+0x7cf/0xb70
 netlink_rcv_skb+0x208/0x470
 netlink_unicast+0x75c/0x8e0
 netlink_sendmsg+0x805/0xb30
 __sock_sendmsg+0x21c/0x270
 __sys_sendto+0x3bd/0x520
 __x64_sys_sendto+0xde/0x100
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f68cd7907bc
RSP: 002b:00007ffc24692060 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f68ce4e4620 RCX: 00007f68cd7907bc
RDX: 0000000000000048 RSI: 00007f68ce4e4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffc246920b4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f68ce4e4670 R15: 0000000000000000
 </TASK>

Showing all locks held in the system:
2 locks held by kworker/0:0/9:
2 locks held by kworker/u8:0/12:
2 locks held by kworker/1:0/24:
3 locks held by kworker/u9:1/28:
1 lock held by khungtaskd/34:
 #0: ffffffff8e13f160 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
3 locks held by kworker/u10:1/36:
 #0: ffff88801a489148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0
 #1: ffffc900006afbc0 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0
 #2: ffffffff8f51d808 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60
3 locks held by kworker/u10:3/64:
2 locks held by kswapd0/83:
2 locks held by kswapd1/90:
2 locks held by kworker/0:2/792:
3 locks held by kworker/u9:4/4026:
3 locks held by syslogd/5261:
1 lock held by udevd/5279:
2 locks held by dhcpcd/5575:
 #0: ffff88811c6836d0 (nlk_cb_mutex-ROUTE){+.+.}-{4:4}, at: __netlink_dump_start+0xfe/0x7e0
 #1: ffffffff8f51d808 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dumpit+0x92/0x200
2 locks held by getty/5653:
 #0: ffff88810d0140a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc900029132f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
2 locks held by sshd/5753:
 #0: ffff888111c02bc0 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_fault+0x86a/0x1200
 #1: ffffffff8e247500 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim+0xb8/0x300
4 locks held by kworker/u8:2/5837:
3 locks held by kworker/u8:4/5850:
 #0: ffff8880225af148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0
 #1: ffffc9000381fbc0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0
 #2: ffffffff8f51d808 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x19/0x30
3 locks held by kworker/1:6/6919:
 #0: ffff88801a481d48 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0
 #1: ffffc90001dcfbc0 ((reg_check_chans).work){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0
 #2: ffffffff8f51d808 (rtnl_mutex){+.+.}-{4:4}, at: reg_check_chans_work+0x95/0xf00
3 locks held by kworker/0:8/6925:
 #0: ffff88801a480d48 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0
 #1: ffffc9000266fbc0 (deferred_process_work){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0
 #2: ffffffff8f51d808 (rtnl_mutex){+.+.}-{4:4}, at: switchdev_deferred_process_work+0xe/0x20
2 locks held by syz-executor/7133:
 #0: ffffffff8fa40fb0 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x23/0x250
 #1: ffffffff8f51d808 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x8db/0x1c70
8 locks held by syz-executor/7153:

=============================================

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 34 Comm: khungtaskd Not tainted 6.16.0-rc5-syzkaller-00159-g47c84997c686 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250
 nmi_cpu_backtrace+0x39e/0x3d0
 nmi_trigger_cpumask_backtrace+0x17a/0x300
 watchdog+0xfee/0x1030
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 7153 Comm: syz-executor Not tainted 6.16.0-rc5-syzkaller-00159-g47c84997c686 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:unwind_next_frame+0x214/0x2390
Code: ef 08 8b 15 2e 45 49 0c 8d 42 ff 44 39 f8 0f 86 65 18 00 00 44 89 f8 4c 8d 2c 85 fc 15 de 90 4c 89 e8 48 c1 e8 03 0f b6 04 28 <84> c0 48 89 eb 0f 85 1c 1c 00 00 45 8b 6d 00 44 89 f8 ff c0 48 8d
RSP: 0018:ffffc900000063b8 EFLAGS: 00000a07
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 87c5996e7d71b200
RDX: 00000000000a72fc RSI: ffffffff8be29da0 RDI: ffffffff8be29d60
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8172aae5
R10: ffffc900000064d8 R11: ffffffff81ad03a0 R12: ffffffff81f94205
R13: ffffffff90e1fb04 R14: ffffc90000006488 R15: 000000000000f942
FS:  0000000000000000(0000) GS:ffff8880b861b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f55d9c4d646 CR3: 000000011bfc0000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x62/0x70
 kmem_cache_free+0x18f/0x400
 br_nf_dev_queue_xmit+0x4fe/0x2680
 NF_HOOK+0x61b/0x6b0
 br_nf_post_routing+0xb66/0xfe0
 nf_hook_slow+0xc5/0x220
 NF_HOOK+0x215/0x3c0
 br_forward_finish+0xd3/0x130
 br_nf_forward_finish+0xa40/0xe60
 NF_HOOK+0x61b/0x6b0
 br_nf_forward_ip+0x647/0x7e0
 nf_hook_slow+0xc5/0x220
 NF_HOOK+0x215/0x3c0
 __br_forward+0x41e/0x600
 br_handle_frame_finish+0x14b4/0x19b0
 br_nf_hook_thresh+0x3c6/0x4a0
 br_nf_pre_routing_finish_ipv6+0x948/0xd00
 br_nf_pre_routing_ipv6+0x37e/0x6b0
 br_handle_frame+0x982/0x14c0
 __netif_receive_skb_core+0x10e1/0x4180
 __netif_receive_skb+0x72/0x380
 process_backlog+0x60e/0x14f0
 __napi_poll+0xc7/0x480
 net_rx_action+0x707/0xe30
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:console_flush_all+0x7f7/0xc40
Code: 48 21 c3 0f 85 e9 01 00 00 e8 a5 f1 1e 00 48 8b 5c 24 20 4d 85 f6 75 07 e8 96 f1 1e 00 eb 06 e8 8f f1 1e 00 fb 48 8b 44 24 28 <42> 80 3c 20 00 74 08 48 89 df e8 2a 74 82 00 48 8b 1b 48 8b 44 24
RSP: 0018:ffffc9000265f040 EFLAGS: 00000293
RAX: 1ffffffff1d36a87 RBX: ffffffff8e9b5438 RCX: ffff88810665b980
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000265f190 R08: ffffffff8fa1f3f7 R09: 1ffffffff1f43e7e
R10: dffffc0000000000 R11: fffffbfff1f43e7f R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000200 R15: ffffffff8e9b53e0
 console_unlock+0xc4/0x270
 vprintk_emit+0x5b7/0x7a0
 _printk+0xcf/0x120
 __show_mem+0x95/0x21b0
 dump_header+0x179/0x480
 oom_kill_process+0x3b6/0x950
 out_of_memory+0xfe1/0x12a0
 __alloc_pages_may_oom+0x1f2/0x330
 __alloc_pages_slowpath+0x706/0xce0
 __alloc_frozen_pages_noprof+0x319/0x370
 alloc_pages_mpol+0x232/0x4a0
 alloc_pages_noprof+0xa9/0x190
 __pmd_alloc+0x3a/0x3b0
 __handle_mm_fault+0xa63/0x5620
 handle_mm_fault+0x40a/0x8e0
 do_user_addr_fault+0xa81/0x1390
 exc_page_fault+0x76/0xf0
 asm_exc_page_fault+0x26/0x30
RIP: 0033:0x7f55d9c4d670
Code: Unable to access opcode bytes at 0x7f55d9c4d646.
RSP: 002b:00007fffad56d740 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
warn_alloc: 9 callbacks suppressed
kworker/1:1: page allocation failure: order:0, mode:0x40820(GFP_ATOMIC|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0-1
CPU: 1 UID: 0 PID: 47 Comm: kworker/1:1 Not tainted 6.16.0-rc5-syzkaller-00159-g47c84997c686 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: wg-crypt-wg1 wg_packet_encrypt_worker
Call Trace:
 <IRQ>
 dump_stack_lvl+0x189/0x250
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x820(GFP_ATOMIC)
 warn_alloc+0x214/0x310
  cache: skbuff_ext_cache, object size: 184, buffer size: 256, default order: 0, min order: 0
  node 0: slabs: 58466, objs: 935456, free: 0
  node 1: slabs: 130470, objs: 2087520, free: 0
 __alloc_pages_slowpath+0xc42/0xce0
 __alloc_frozen_pages_noprof+0x319/0x370
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x820(GFP_ATOMIC)
  cache: skbuff_ext_cache, object size: 184, buffer size: 256, default order: 0, min order: 0
 alloc_pages_mpol+0x232/0x4a0
  node 0: slabs: 58466, objs: 935456, free: 0
 allocate_slab+0xe2/0x3b0
  node 1: slabs: 130470, objs: 2087520, free: 0
 ___slab_alloc+0xbfc/0x1480
 kmem_cache_alloc_noprof+0x283/0x3c0
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x820(GFP_ATOMIC)
 skb_clone+0x212/0x3a0
 br_flood+0x414/0x6a0
  cache: skbuff_ext_cache, object size: 184, buffer size: 256, default order: 0, min order: 0
  node 0: slabs: 58466, objs: 935456, free: 0
 br_handle_frame_finish+0x14b4/0x19b0
  node 1: slabs: 130470, objs: 2087520, free: 0
 br_nf_hook_thresh+0x3c6/0x4a0
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x820(GFP_ATOMIC)
  cache: skbuff_ext_cache, object size: 184, buffer size: 256, default order: 0, min order: 0
 br_nf_pre_routing_finish_ipv6+0x948/0xd00
  node 0: slabs: 58466, objs: 935456, free: 0
  node 1: slabs: 130470, objs: 2087520, free: 0
 br_nf_pre_routing_ipv6+0x37e/0x6b0
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x820(GFP_ATOMIC)
 br_handle_frame+0x982/0x14c0
  cache: skbuff_ext_cache, object size: 184, buffer size: 256, default order: 0, min order: 0
  node 0: slabs: 58466, objs: 935456, free: 0
  node 1: slabs: 130470, objs: 2087520, free: 0
 __netif_receive_skb_core+0x10e1/0x4180
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x820(GFP_ATOMIC)
  cache: skbuff_ext_cache, object size: 184, buffer size: 256, default order: 0, min order: 0
  node 0: slabs: 58466, objs: 935456, free: 0
  node 1: slabs: 130470, objs: 2087520, free: 0
 __netif_receive_skb+0x72/0x380
 process_backlog+0x60e/0x14f0
 __napi_poll+0xc7/0x480
 net_rx_action+0x707/0xe30
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x920(GFP_ATOMIC|__GFP_ZERO)
 handle_softirqs+0x286/0x870
 do_softirq+0xec/0x180
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x17d/0x1c0
  cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0
  node 0: slabs: 240, objs: 3826, free: 0
  node 1: slabs: 309, objs: 4524, free: 14
 wg_packet_encrypt_worker+0x167a/0x1720
SLUB: Unable to allocate memory on CPU 0 (of node 0) on node -1, gfp=0x920(GFP_ATOMIC|__GFP_ZERO)
 process_scheduled_works+0xae1/0x17b0
  cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0
  node 0: slabs: 240, objs: 3826, free: 0
  node 1: slabs: 309, objs: 4524, free: 14
 worker_thread+0x8a0/0xda0
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Mem-Info:
active_anon:4127 inactive_anon:858 isolated_anon:0
 active_file:360 inactive_file:17374 isolated_file:0
 unevictable:1768 dirty:0 writeback:0
 slab_reclaimable:6725 slab_unreclaimable:385259
 mapped:16742 shmem:2449 pagetables:765
 sec_pagetables:0 bounce:0
 kernel_misc_reclaimable:0
 free:7552 free_pcp:4999 free_cma:0
Node 0 active_anon:11932kB inactive_anon:40kB active_file:212kB inactive_file:69368kB unevictable:3536kB isolated(anon):0kB isolated(file):0kB mapped:28848kB dirty:0kB writeback:0kB shmem:4768kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB writeback_tmp:0kB kernel_stack:7984kB pagetables:1924kB sec_pagetables:0kB all_unreclaimable? no Balloon:0kB
Node 1 active_anon:4576kB inactive_anon:3392kB active_file:1228kB inactive_file:128kB unevictable:3536kB isolated(anon):0kB isolated(file):0kB mapped:38120kB dirty:0kB writeback:0kB shmem:5028kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB writeback_tmp:0kB kernel_stack:3472kB pagetables:1136kB sec_pagetables:0kB all_unreclaimable? no Balloon:0kB
Node 0 DMA free:3452kB boost:0kB min:640kB low:800kB high:960kB reserved_highatomic:0KB free_highatomic:0KB active_anon:8kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 812 812
 812 812
Node 0 
DMA32 free:10600kB boost:71680kB min:105336kB low:113748kB high:122160kB reserved_highatomic:0KB free_highatomic:0KB active_anon:11924kB inactive_anon:40kB active_file:212kB inactive_file:69368kB unevictable:3536kB writepending:0kB present:1556484kB managed:831872kB mlocked:0kB bounce:0kB free_pcp:3188kB local_pcp:436kB free_cma:0kB
lowmem_reserve[]: 0
 0 0 0 0

Node 1 
