INFO: task dhcpcd:5245 blocked for more than 144 seconds. Not tainted 6.1.0-syzkaller-04288-g13a7c8964afc #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:dhcpcd state:D stack:29080 pid:5245 ppid:4647 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5244 [inline] __schedule+0xb8a/0x5450 kernel/sched/core.c:6555 schedule+0xde/0x1b0 kernel/sched/core.c:6631 synchronize_rcu_expedited+0x39f/0x780 kernel/rcu/tree_exp.h:961 synchronize_rcu+0x306/0x3b0 kernel/rcu/tree.c:3543 synchronize_net+0x4e/0x60 net/core/dev.c:10749 __unregister_prot_hook+0x48a/0x5a0 net/packet/af_packet.c:382 packet_do_bind+0x8bc/0xdc0 net/packet/af_packet.c:3227 packet_bind+0x156/0x1b0 net/packet/af_packet.c:3311 __sys_bind+0x1ed/0x260 net/socket.c:1776 __do_sys_bind net/socket.c:1787 [inline] __se_sys_bind net/socket.c:1785 [inline] __x64_sys_bind+0x73/0xb0 net/socket.c:1785 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f24be507ce7 RSP: 002b:00007ffc8261edd8 EFLAGS: 00000217 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 00005564fb5c3b60 RCX: 00007f24be507ce7 RDX: 0000000000000014 RSI: 00007ffc8261ede8 RDI: 0000000000000005 RBP: 0000000000000000 R08: 00005564fd580d70 R09: 00007f24be5c8a60 R10: 0000000000200000 R11: 0000000000000217 R12: 00005564fd57db60 R13: 00005564fd580c58 R14: 00007ffc8263f6bc R15: 00007ffc8263f6e4 INFO: task dhcpcd:5246 blocked for more than 145 seconds. Not tainted 6.1.0-syzkaller-04288-g13a7c8964afc #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:dhcpcd state:D stack:29080 pid:5246 ppid:4647 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5244 [inline] __schedule+0xb8a/0x5450 kernel/sched/core.c:6555 schedule+0xde/0x1b0 kernel/sched/core.c:6631 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6690 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747 exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline] synchronize_rcu_expedited+0x24f/0x780 kernel/rcu/tree_exp.h:946 synchronize_rcu+0x306/0x3b0 kernel/rcu/tree.c:3543 synchronize_net+0x4e/0x60 net/core/dev.c:10749 __unregister_prot_hook+0x48a/0x5a0 net/packet/af_packet.c:382 packet_do_bind+0x8bc/0xdc0 net/packet/af_packet.c:3227 packet_bind+0x156/0x1b0 net/packet/af_packet.c:3311 __sys_bind+0x1ed/0x260 net/socket.c:1776 __do_sys_bind net/socket.c:1787 [inline] __se_sys_bind net/socket.c:1785 [inline] __x64_sys_bind+0x73/0xb0 net/socket.c:1785 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f24be507ce7 RSP: 002b:00007ffc8261edd8 EFLAGS: 00000217 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 00005564fb5c3b60 RCX: 00007f24be507ce7 RDX: 0000000000000014 RSI: 00007ffc8261ede8 RDI: 0000000000000005 RBP: 0000000000000000 R08: 00005564fd5806d0 R09: 00007f24be5c8a60 R10: 0000000000200000 R11: 0000000000000217 R12: 00005564fd57db60 R13: 00005564fd580dd8 R14: 00007ffc8263f6bc R15: 00007ffc8263f6e4 INFO: task dhcpcd:5247 blocked for more than 146 seconds. Not tainted 6.1.0-syzkaller-04288-g13a7c8964afc #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:dhcpcd state:D stack:29024 pid:5247 ppid:4647 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5244 [inline] __schedule+0xb8a/0x5450 kernel/sched/core.c:6555 schedule+0xde/0x1b0 kernel/sched/core.c:6631 exp_funnel_lock kernel/rcu/tree_exp.h:315 [inline] synchronize_rcu_expedited+0x6ec/0x780 kernel/rcu/tree_exp.h:946 synchronize_rcu+0x306/0x3b0 kernel/rcu/tree.c:3543 synchronize_net+0x4e/0x60 net/core/dev.c:10749 __unregister_prot_hook+0x48a/0x5a0 net/packet/af_packet.c:382 packet_do_bind+0x8bc/0xdc0 net/packet/af_packet.c:3227 packet_bind+0x156/0x1b0 net/packet/af_packet.c:3311 __sys_bind+0x1ed/0x260 net/socket.c:1776 __do_sys_bind net/socket.c:1787 [inline] __se_sys_bind net/socket.c:1785 [inline] __x64_sys_bind+0x73/0xb0 net/socket.c:1785 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f24be507ce7 RSP: 002b:00007ffc8261edd8 EFLAGS: 00000217 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 00005564fb5c3b60 RCX: 00007f24be507ce7 RDX: 0000000000000014 RSI: 00007ffc8261ede8 RDI: 0000000000000005 RBP: 0000000000000000 R08: 00005564fd5806d0 R09: 00007f24be5c8a60 R10: 0000000000200000 R11: 0000000000000217 R12: 00005564fd57db60 R13: 00005564fd580f58 R14: 00007ffc8263f6bc R15: 00007ffc8263f6e4 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffffffff8c790c70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507 1 lock held by rcu_tasks_trace/13: #0: ffffffff8c790970 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507 1 lock held by khungtaskd/28: #0: ffffffff8c7917c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x264 kernel/locking/lockdep.c:6494 3 locks held by kswapd1/84: 1 lock held by klogd/4423: 2 locks held by getty/4750: #0: ffff888027eab098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244 #1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2177 3 locks held by kworker/0:2/5174: 2 locks held by dhcpcd/5245: #0: ffff88801e516130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1725 [inline] #0: ffff88801e516130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2f/0xdc0 net/packet/af_packet.c:3194 #1: ffffffff8c79c478 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:292 [inline] #1: ffffffff8c79c478 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x5df/0x780 kernel/rcu/tree_exp.h:946 2 locks held by dhcpcd/5246: #0: ffff88801fdf2130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1725 [inline] #0: ffff88801fdf2130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2f/0xdc0 net/packet/af_packet.c:3194 #1: ffffffff8c79c478 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline] #1: ffffffff8c79c478 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x24f/0x780 kernel/rcu/tree_exp.h:946 1 lock held by dhcpcd/5247: #0: ffff88801e99e130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1725 [inline] #0: ffff88801e99e130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2f/0xdc0 net/packet/af_packet.c:3194 1 lock held by dhcpcd/5311: #0: ffff8880295f6130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1725 [inline] #0: ffff8880295f6130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2f/0xdc0 net/packet/af_packet.c:3194 1 lock held by dhcpcd/5319: #0: ffff88802a5be130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1725 [inline] #0: ffff88802a5be130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2f/0xdc0 net/packet/af_packet.c:3194 1 lock held by dhcpcd/5320: #0: ffff88802a332130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1725 [inline] #0: ffff88802a332130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2f/0xdc0 net/packet/af_packet.c:3194 1 lock held by syz-executor438/5356: 3 locks held by syz-executor438/5357: 1 lock held by syz-executor438/5358: 1 lock held by syz-executor438/5360: ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.0-syzkaller-04288-g13a7c8964afc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106 nmi_cpu_backtrace.cold+0x24/0x18a lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x333/0x3c0 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+0xc75/0xfc0 kernel/hung_task.c:377 kthread+0x2e8/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 5357 Comm: syz-executor438 Not tainted 6.1.0-syzkaller-04288-g13a7c8964afc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:arch_irqs_disabled_flags arch/x86/include/asm/irqflags.h:125 [inline] RIP: 0010:check_preemption_disabled+0x4d/0x170 lib/smp_processor_id.c:19 Code: e3 ff ff ff 7f 31 ff 89 de 0f 1f 44 00 00 85 db 74 11 0f 1f 44 00 00 44 89 e0 5b 5d 41 5c 41 5d 41 5e c3 0f 1f 44 00 00 9c 5b <81> e3 00 02 00 00 31 ff 48 89 de 0f 1f 44 00 00 48 85 db 74 d3 0f RSP: 0000:ffffc900032ef3f0 EFLAGS: 00000046 RAX: ffffffffffffffff RBX: 0000000000000046 RCX: 1ffffffff1ce5581 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffffff8aa6b840 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff8a4c4a80 R14: dffffc0000000000 R15: ffffc900032ef670 FS: 000055555592c3c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc617084ce0 CR3: 000000003210a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lockdep_hardirqs_on+0x7d/0x100 kernel/locking/lockdep.c:4383 seqcount_lockdep_reader_access include/linux/seqlock.h:104 [inline] read_seqbegin include/linux/seqlock.h:836 [inline] zonelist_iter_begin mm/page_alloc.c:4722 [inline] __alloc_pages_slowpath.constprop.0+0x167b/0x23d0 mm/page_alloc.c:5044 __alloc_pages+0x4aa/0x5b0 mm/page_alloc.c:5562 alloc_pages+0x1aa/0x270 mm/mempolicy.c:2285 __get_free_pages+0xc/0x40 mm/page_alloc.c:5599 kasan_populate_vmalloc_pte mm/kasan/shadow.c:271 [inline] kasan_populate_vmalloc_pte+0x27/0x150 mm/kasan/shadow.c:262 apply_to_pte_range mm/memory.c:2600 [inline] apply_to_pmd_range mm/memory.c:2644 [inline] apply_to_pud_range mm/memory.c:2680 [inline] apply_to_p4d_range mm/memory.c:2716 [inline] __apply_to_page_range+0x68c/0x1030 mm/memory.c:2750 alloc_vmap_area+0x512/0x1ed0 mm/vmalloc.c:1647 __get_vm_area_node+0x142/0x3f0 mm/vmalloc.c:2515 __vmalloc_node_range+0x25b/0x13c0 mm/vmalloc.c:3187 __bpf_map_area_alloc+0xd0/0x160 kernel/bpf/syscall.c:332 queue_stack_map_alloc+0xfb/0x1b0 kernel/bpf/queue_stack_maps.c:77 find_and_alloc_map kernel/bpf/syscall.c:131 [inline] map_create+0x4d3/0x18d0 kernel/bpf/syscall.c:1123 __sys_bpf+0x13b7/0x5000 kernel/bpf/syscall.c:4961 __do_sys_bpf kernel/bpf/syscall.c:5083 [inline] __se_sys_bpf kernel/bpf/syscall.c:5081 [inline] __x64_sys_bpf+0x79/0xc0 kernel/bpf/syscall.c:5081 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe2dfee16f9 Code: Unable to access opcode bytes at 0x7fe2dfee16cf. RSP: 002b:00007fff40288368 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe2dfee16f9 RDX: 0000000000000048 RSI: 0000000020000040 RDI: 0000000000000000 RBP: 0000000000000000 R08: 00007fff40287df0 R09: 0000000000000003 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff4028839c R13: 00007fff402883d0 R14: 00007fff402883b0 R15: 000000000000001c INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.375 msecs