INFO: task pool_workqueue_:3 blocked for more than 143 seconds. Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:pool_workqueue_ state:D stack:28144 pid:3 tgid:3 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:320 synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976 wq_unregister_lockdep kernel/workqueue.c:4803 [inline] pwq_release_workfn+0x5e5/0xa50 kernel/workqueue.c:5099 kthread_worker_fn+0x305/0xba0 kernel/kthread.c:844 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task jbd2/sda1-8:5170 blocked for more than 144 seconds. Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:jbd2/sda1-8 state:D stack:24000 pid:5170 tgid:5170 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 io_schedule+0xbf/0x130 kernel/sched/core.c:7681 bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:247 __wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49 out_of_line_wait_on_bit+0xda/0x110 kernel/sched/wait_bit.c:64 wait_on_bit_io include/linux/wait_bit.h:105 [inline] __wait_on_buffer+0x64/0x70 fs/buffer.c:123 wait_on_buffer include/linux/buffer_head.h:414 [inline] journal_wait_on_commit_record fs/jbd2/commit.c:171 [inline] jbd2_journal_commit_transaction+0x4f7d/0x6c80 fs/jbd2/commit.c:883 kjournald2+0x1f8/0x760 fs/jbd2/journal.c:201 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task kworker/u8:10:8012 blocked for more than 144 seconds. Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:10 state:D stack:23360 pid:8012 tgid:8012 ppid:2 flags:0x00004000 Workqueue: events_unbound linkwatch_event Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 __mutex_lock_common kernel/locking/mutex.c:665 [inline] __mutex_lock+0x62b/0xa60 kernel/locking/mutex.c:735 linkwatch_event+0x51/0xc0 net/core/link_watch.c:276 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task kworker/u8:11:8738 blocked for more than 145 seconds. Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:11 state:D stack:23264 pid:8738 tgid:8738 ppid:2 flags:0x00004000 Workqueue: events_unbound bpf_map_free_deferred Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:320 synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976 sock_hash_free+0x7f/0x810 net/core/sock_map.c:1151 bpf_map_free kernel/bpf/syscall.c:744 [inline] bpf_map_free_deferred+0x1c2/0x400 kernel/bpf/syscall.c:768 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task syz.1.1205:10600 blocked for more than 145 seconds. Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.1205 state:D stack:27904 pid:10600 tgid:10600 ppid:5843 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:320 synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976 synchronize_net+0x3e/0x60 net/core/dev.c:11286 packet_release+0xb0f/0xd90 net/packet/af_packet.c:3231 __sock_release+0xb0/0x270 net/socket.c:640 sock_close+0x1c/0x30 net/socket.c:1408 __fput+0x3f8/0xb60 fs/file_table.c:450 task_work_run+0x14e/0x250 kernel/task_work.c:239 exit_task_work include/linux/task_work.h:43 [inline] do_exit+0xadd/0x2d70 kernel/exit.c:938 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 get_signal+0x24ed/0x26c0 kernel/signal.c:3016 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x150/0x2a0 kernel/entry/common.c:218 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8fd1fb0905 RSP: 002b:00007f8fcfdd4f80 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6 RAX: fffffffffffffdfc RBX: 00007f8fd2136160 RCX: 00007f8fd1fb0905 RDX: 00007f8fcfdd4fc0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f8fd1ff175e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f8fd2136160 R15: 00007ffccca0a0f8 INFO: task syz.0.1482:11633 blocked for more than 145 seconds. Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.1482 state:D stack:27600 pid:11633 tgid:11623 ppid:5830 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:320 synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976 lru_cache_disable+0x26/0x30 mm/swap.c:917 do_pages_move mm/migrate.c:2300 [inline] kernel_move_pages+0x28d/0x1570 mm/migrate.c:2554 __do_sys_move_pages mm/migrate.c:2568 [inline] __se_sys_move_pages mm/migrate.c:2563 [inline] __x64_sys_move_pages+0xe0/0x1c0 mm/migrate.c:2563 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe74017e819 RSP: 002b:00007fe740f27038 EFLAGS: 00000246 ORIG_RAX: 0000000000000117 RAX: ffffffffffffffda RBX: 00007fe740336080 RCX: 00007fe74017e819 RDX: 0000000020000040 RSI: 0000000000002064 RDI: 0000000000000000 RBP: 00007fe7401f175e R08: 0000000020000000 R09: 0000000000000000 R10: 0000000020001180 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe740336080 R15: 00007ffe9475a7d8 INFO: task dhcpcd:11625 blocked for more than 146 seconds. Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:dhcpcd state:D stack:28464 pid:11625 tgid:11625 ppid:5502 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:320 synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976 synchronize_net+0x4e/0x60 net/core/dev.c:11288 __unregister_prot_hook+0x4a4/0x590 net/packet/af_packet.c:380 packet_do_bind+0x972/0xf60 net/packet/af_packet.c:3302 packet_bind+0x105/0x150 net/packet/af_packet.c:3386 __sys_bind_socket net/socket.c:1825 [inline] __sys_bind_socket net/socket.c:1817 [inline] __sys_bind+0x213/0x260 net/socket.c:1856 __do_sys_bind net/socket.c:1861 [inline] __se_sys_bind net/socket.c:1859 [inline] __x64_sys_bind+0x72/0xb0 net/socket.c:1859 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdd32537677 RSP: 002b:00007ffd93f2ce08 EFLAGS: 00000217 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 000055b316d64ca3 RCX: 00007fdd32537677 RDX: 0000000000000014 RSI: 00007ffd93f2ce18 RDI: 0000000000000005 RBP: 0000000000000000 R08: 000055b352a85810 R09: 0000000000040000 R10: 000000000000006d R11: 0000000000000217 R12: 000055b352a83a20 R13: 000055b352a85628 R14: 00007ffd93f4d6fc R15: 000055b352a855f4 INFO: task dhcpcd:11626 blocked for more than 146 seconds. Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:dhcpcd state:D stack:28464 pid:11626 tgid:11626 ppid:5502 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 __mutex_lock_common kernel/locking/mutex.c:665 [inline] __mutex_lock+0x62b/0xa60 kernel/locking/mutex.c:735 exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:329 synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976 synchronize_net+0x4e/0x60 net/core/dev.c:11288 __unregister_prot_hook+0x4a4/0x590 net/packet/af_packet.c:380 packet_do_bind+0x972/0xf60 net/packet/af_packet.c:3302 packet_bind+0x105/0x150 net/packet/af_packet.c:3386 __sys_bind_socket net/socket.c:1825 [inline] __sys_bind_socket net/socket.c:1817 [inline] __sys_bind+0x213/0x260 net/socket.c:1856 __do_sys_bind net/socket.c:1861 [inline] __se_sys_bind net/socket.c:1859 [inline] __x64_sys_bind+0x72/0xb0 net/socket.c:1859 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdd32537677 RSP: 002b:00007ffd93f2ce08 EFLAGS: 00000217 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 000055b316d64ca3 RCX: 00007fdd32537677 RDX: 0000000000000014 RSI: 00007ffd93f2ce18 RDI: 0000000000000005 RBP: 0000000000000000 R08: 000055b352a85f00 R09: 0000000000020000 R10: 000000000000006d R11: 0000000000000217 R12: 000055b352a83a20 R13: 000055b352a85de8 R14: 00007ffd93f4d6fc R15: 000055b352a85db4 INFO: task dhcpcd:11627 blocked for more than 147 seconds. Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:dhcpcd state:D stack:28464 pid:11627 tgid:11627 ppid:5502 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:320 synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976 synchronize_net+0x4e/0x60 net/core/dev.c:11288 __unregister_prot_hook+0x4a4/0x590 net/packet/af_packet.c:380 packet_do_bind+0x972/0xf60 net/packet/af_packet.c:3302 packet_bind+0x105/0x150 net/packet/af_packet.c:3386 __sys_bind_socket net/socket.c:1825 [inline] __sys_bind_socket net/socket.c:1817 [inline] __sys_bind+0x213/0x260 net/socket.c:1856 __do_sys_bind net/socket.c:1861 [inline] __se_sys_bind net/socket.c:1859 [inline] __x64_sys_bind+0x72/0xb0 net/socket.c:1859 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdd32537677 RSP: 002b:00007ffd93f2ce08 EFLAGS: 00000217 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 000055b316d64ca3 RCX: 00007fdd32537677 RDX: 0000000000000014 RSI: 00007ffd93f2ce18 RDI: 0000000000000005 RBP: 0000000000000000 R08: 000055b352a85990 R09: 0000000000040000 R10: 000000000000006d R11: 0000000000000217 R12: 000055b352a83a20 R13: 000055b352a85878 R14: 00007ffd93f4d6fc R15: 000055b352a85844 INFO: task dhcpcd:11630 blocked for more than 147 seconds. Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:dhcpcd state:D stack:28464 pid:11630 tgid:11630 ppid:5502 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:320 synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976 synchronize_net+0x4e/0x60 net/core/dev.c:11288 __unregister_prot_hook+0x4a4/0x590 net/packet/af_packet.c:380 packet_do_bind+0x972/0xf60 net/packet/af_packet.c:3302 packet_bind+0x105/0x150 net/packet/af_packet.c:3386 __sys_bind_socket net/socket.c:1825 [inline] __sys_bind_socket net/socket.c:1817 [inline] __sys_bind+0x213/0x260 net/socket.c:1856 __do_sys_bind net/socket.c:1861 [inline] __se_sys_bind net/socket.c:1859 [inline] __x64_sys_bind+0x72/0xb0 net/socket.c:1859 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdd32537677 RSP: 002b:00007ffd93f2ce08 EFLAGS: 00000217 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 000055b316d64ca3 RCX: 00007fdd32537677 RDX: 0000000000000014 RSI: 00007ffd93f2ce18 RDI: 0000000000000005 RBP: 0000000000000000 R08: 000055b352a85b10 R09: 0000000000040000 R10: 000000000000006d R11: 0000000000000217 R12: 000055b352a83a20 R13: 000055b352a859f8 R14: 00007ffd93f4d6fc R15: 000055b352a859c4 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task dhcpcd:11631 blocked for more than 147 seconds. Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:dhcpcd state:D stack:28112 pid:11631 tgid:11631 ppid:5502 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:320 synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976 synchronize_net+0x4e/0x60 net/core/dev.c:11288 __unregister_prot_hook+0x4a4/0x590 net/packet/af_packet.c:380 packet_do_bind+0x972/0xf60 net/packet/af_packet.c:3302 packet_bind+0x105/0x150 net/packet/af_packet.c:3386 __sys_bind_socket net/socket.c:1825 [inline] __sys_bind_socket net/socket.c:1817 [inline] __sys_bind+0x213/0x260 net/socket.c:1856 __do_sys_bind net/socket.c:1861 [inline] __se_sys_bind net/socket.c:1859 [inline] __x64_sys_bind+0x72/0xb0 net/socket.c:1859 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdd32537677 RSP: 002b:00007ffd93f2ce08 EFLAGS: 00000217 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 000055b316d64ca3 RCX: 00007fdd32537677 RDX: 0000000000000014 RSI: 00007ffd93f2ce18 RDI: 0000000000000005 RBP: 0000000000000000 R08: 000055b352a85810 R09: 0000000000200000 R10: 000000000000006d R11: 0000000000000217 R12: 000055b352a83a20 R13: 000055b352a861d8 R14: 00007ffd93f4d6fc R15: 000055b352a861a4 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task dhcpcd:11639 blocked for more than 148 seconds. Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:dhcpcd state:D stack:28464 pid:11639 tgid:11639 ppid:5502 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:320 synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976 synchronize_net+0x4e/0x60 net/core/dev.c:11288 __unregister_prot_hook+0x4a4/0x590 net/packet/af_packet.c:380 packet_do_bind+0x972/0xf60 net/packet/af_packet.c:3302 packet_bind+0x105/0x150 net/packet/af_packet.c:3386 __sys_bind_socket net/socket.c:1825 [inline] __sys_bind_socket net/socket.c:1817 [inline] __sys_bind+0x213/0x260 net/socket.c:1856 __do_sys_bind net/socket.c:1861 [inline] __se_sys_bind net/socket.c:1859 [inline] __x64_sys_bind+0x72/0xb0 net/socket.c:1859 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdd32537677 RSP: 002b:00007ffd93f2ce08 EFLAGS: 00000217 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 000055b316d64ca3 RCX: 00007fdd32537677 RDX: 0000000000000014 RSI: 00007ffd93f2ce18 RDI: 0000000000000005 RBP: 0000000000000000 R08: 000055b352a85810 R09: 0000000008000000 R10: 000000000000006d R11: 0000000000000217 R12: 000055b352a83a20 R13: 000055b352a86358 R14: 00007ffd93f4d6fc R15: 000055b352a86324 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task syz.2.1487:11654 blocked for more than 148 seconds. Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.1487 state:D stack:25824 pid:11654 tgid:11654 ppid:5833 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:320 synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976 synchronize_net+0x4e/0x60 net/core/dev.c:11288 packet_release+0xb0f/0xd90 net/packet/af_packet.c:3231 __sock_release+0xb0/0x270 net/socket.c:640 sock_close+0x1c/0x30 net/socket.c:1408 __fput+0x3f8/0xb60 fs/file_table.c:450 task_work_run+0x14e/0x250 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x27b/0x2a0 kernel/entry/common.c:218 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f647517e819 RSP: 002b:00007ffd37685728 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 0000000000096315 RCX: 00007f647517e819 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007f6475337ba0 R08: 0000000000000001 R09: 00007ffd37685a1f R10: 00007f6475000000 R11: 0000000000000246 R12: 0000000000096959 R13: 00007f6475335fa0 R14: 0000000000000032 R15: ffffffffffffffff Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task syz.3.1490:11667 blocked for more than 148 seconds. Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.1490 state:D stack:26672 pid:11667 tgid:11666 ppid:5832 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:320 synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976 __nf_tables_abort net/netfilter/nf_tables_api.c:10912 [inline] nf_tables_abort+0x1627/0x3ab0 net/netfilter/nf_tables_api.c:10931 nfnetlink_rcv_batch+0x10fa/0x24e0 net/netfilter/nfnetlink.c:593 nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:647 [inline] nfnetlink_rcv+0x3c3/0x430 net/netfilter/nfnetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline] netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1347 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1891 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg net/socket.c:726 [inline] ____sys_sendmsg+0xaaf/0xc90 net/socket.c:2581 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2635 __sys_sendmsg+0x16e/0x220 net/socket.c:2667 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fba35f7e819 RSP: 002b:00007fba36e3d038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fba36135fa0 RCX: 00007fba35f7e819 RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 00007fba35ff175e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fba36135fa0 R15: 00007ffc4cefa4b8 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task syz-executor:11681 blocked for more than 149 seconds. Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:24672 pid:11681 tgid:11681 ppid:1 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:320 synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976 synchronize_net net/core/dev.c:11286 [inline] netif_set_real_num_tx_queues+0x674/0x880 net/core/dev.c:2957 veth_init_queues+0xe1/0x190 drivers/net/veth.c:1756 veth_newlink+0x54c/0x9e0 drivers/net/veth.c:1873 rtnl_newlink_create net/core/rtnetlink.c:3539 [inline] __rtnl_newlink+0x1197/0x1920 net/core/rtnetlink.c:3759 rtnl_newlink+0x67/0xa0 net/core/rtnetlink.c:3772 rtnetlink_rcv_msg+0x3c7/0xea0 net/core/rtnetlink.c:6675 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2541 netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline] netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1347 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1891 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg net/socket.c:726 [inline] __sys_sendto+0x488/0x4f0 net/socket.c:2195 __do_sys_sendto net/socket.c:2202 [inline] __se_sys_sendto net/socket.c:2198 [inline] __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2198 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5c145806ac RSP: 002b:00007ffea1ecd6b0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f5c15264620 RCX: 00007f5c145806ac RDX: 000000000000002c RSI: 00007f5c15264670 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffea1ecd704 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f5c15264670 R15: 0000000000000000 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task syz-executor:11687 blocked for more than 149 seconds. Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:27120 pid:11687 tgid:11687 ppid:1 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0xe5a/0x5ae0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 __mutex_lock_common kernel/locking/mutex.c:665 [inline] __mutex_lock+0x62b/0xa60 kernel/locking/mutex.c:735 rtnl_lock net/core/rtnetlink.c:79 [inline] rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2541 netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline] netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1347 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1891 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg net/socket.c:726 [inline] __sys_sendto+0x488/0x4f0 net/socket.c:2195 __do_sys_sendto net/socket.c:2202 [inline] __se_sys_sendto net/socket.c:2198 [inline] __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2198 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1f0e5806ac RSP: 002b:00007fff854832f0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f1f0f264620 RCX: 00007f1f0e5806ac RDX: 0000000000000028 RSI: 00007f1f0f264670 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007fff85483344 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f1f0f264670 R15: 0000000000000000 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings Showing all locks held in the system: 3 locks held by kworker/1:0/25: 1 lock held by khungtaskd/30: #0: ffffffff8e1bb1c0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #0: ffffffff8e1bb1c0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8e1bb1c0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6744 3 locks held by kworker/u8:5/1138: #0: ffff88814d3e0148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 #1: ffffc900040d7d80 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 #2: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4736 2 locks held by getty/5591: #0: ffff8880387520a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc900032332f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211 4 locks held by kworker/u9:5/5846: #0: ffff8880460f6948 ((wq_completion)hci18#2){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 #1: ffffc90004a17d80 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 #2: ffff88802df6c078 (&hdev->lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x99/0x980 net/bluetooth/hci_event.c:3685 #3: ffffffff90158728 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1957 [inline] #3: ffffffff90158728 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x486/0x980 net/bluetooth/hci_event.c:3719 5 locks held by kworker/u9:9/5850: #0: ffff8880791a4948 ((wq_completion)hci5#2){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 #1: ffffc900049f7d80 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 #2: ffff88802df24d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x170/0x410 net/bluetooth/hci_sync.c:331 #3: ffff88802df24078 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x150/0xb50 net/bluetooth/hci_sync.c:5577 #4: ffffffff90158728 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1957 [inline] #4: ffffffff90158728 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x158/0x340 net/bluetooth/hci_conn.c:1265 3 locks held by kworker/1:4/7834: 3 locks held by kworker/u8:10/8012: #0: ffff88801b081148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 #1: ffffc9000c88fd80 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 #2: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x51/0xc0 net/core/link_watch.c:276 2 locks held by kworker/u8:11/8738: #0: ffff88801b081148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 #1: ffffc90005067d80 ((work_completion)(&map->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 5 locks held by kworker/1:5/9071: 1 lock held by syz.1.1205/10600: #0: ffff88807cf4a608 (&sb->s_type->i_mutex_key#10){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline] #0: ffff88807cf4a608 (&sb->s_type->i_mutex_key#10){+.+.}-{4:4}, at: __sock_release+0x86/0x270 net/socket.c:639 1 lock held by syz.0.1482/11624: 1 lock held by dhcpcd/11625: #0: ffff888060e0a258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1611 [inline] #0: ffff888060e0a258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2c/0xf60 net/packet/af_packet.c:3266 2 locks held by dhcpcd/11626: #0: ffff888060e08258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1611 [inline] #0: ffff888060e08258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2c/0xf60 net/packet/af_packet.c:3266 #1: ffffffff8e1c6af8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:329 1 lock held by dhcpcd/11627: #0: ffff88805f774258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1611 [inline] #0: ffff88805f774258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2c/0xf60 net/packet/af_packet.c:3266 1 lock held by dhcpcd/11630: #0: ffff888077d2e258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1611 [inline] #0: ffff888077d2e258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2c/0xf60 net/packet/af_packet.c:3266 1 lock held by dhcpcd/11631: #0: ffff8880340d2258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1611 [inline] #0: ffff8880340d2258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2c/0xf60 net/packet/af_packet.c:3266 1 lock held by dhcpcd/11639: #0: ffff888082ab4258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1611 [inline] #0: ffff888082ab4258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2c/0xf60 net/packet/af_packet.c:3266 1 lock held by syz.2.1487/11654: #0: ffff88807cf4d608 (&sb->s_type->i_mutex_key#10){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline] #0: ffff88807cf4d608 (&sb->s_type->i_mutex_key#10){+.+.}-{4:4}, at: __sock_release+0x86/0x270 net/socket.c:639 1 lock held by syz.3.1490/11667: #0: ffff88801b132cc8 (&nft_net->commit_mutex){+.+.}-{4:4}, at: nf_tables_valid_genid+0x33/0x130 net/netfilter/nf_tables_api.c:10954 5 locks held by kworker/u9:0/11668: #0: ffff888031346948 ((wq_completion)hci6){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 #1: ffffc900036ffd80 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 #2: ffff88804e074d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x170/0x410 net/bluetooth/hci_sync.c:331 #3: ffff88804e074078 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x150/0xb50 net/bluetooth/hci_sync.c:5577 #4: ffffffff90158728 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1957 [inline] #4: ffffffff90158728 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x158/0x340 net/bluetooth/hci_conn.c:1265 1 lock held by syz-executor/11681: #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672 1 lock held by syz-executor/11687: #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672 1 lock held by syz-executor/11690: #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672 1 lock held by syz-executor/11696: #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672 1 lock held by syz-executor/11701: #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672 1 lock held by syz-executor/11705: #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672 1 lock held by syz-executor/11711: #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672 1 lock held by syz-executor/11714: #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672 1 lock held by syz-executor/11719: #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672 1 lock held by syz-executor/11725: #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672 5 locks held by kworker/u9:1/11729: #0: ffff888034b70148 ((wq_completion)hci7){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 #1: ffffc9000342fd80 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 #2: ffff8880340ecd80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x170/0x410 net/bluetooth/hci_sync.c:331 #3: ffff8880340ec078 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x150/0xb50 net/bluetooth/hci_sync.c:5577 #4: ffffffff90158728 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1957 [inline] #4: ffffffff90158728 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x158/0x340 net/bluetooth/hci_conn.c:1265 1 lock held by syz-executor/11730: #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672 4 locks held by kworker/u9:2/11732: #0: ffff8880abbf2148 ((wq_completion)hci17#2){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 #1: ffffc9000c47fd80 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 #2: ffff88802934c078 (&hdev->lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x99/0x980 net/bluetooth/hci_event.c:3685 #3: ffffffff90158728 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1957 [inline] #3: ffffffff90158728 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x486/0x980 net/bluetooth/hci_event.c:3719 1 lock held by syz-executor/11736: #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672 1 lock held by syz-executor/11739: #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672 5 locks held by kworker/u9:3/11743: #0: ffff888034b83948 ((wq_completion)hci8){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 #1: ffffc9000c617d80 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 #2: ffff8880435f0d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x170/0x410 net/bluetooth/hci_sync.c:331 #3: ffff8880435f0078 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x150/0xb50 net/bluetooth/hci_sync.c:5577 #4: ffffffff90158728 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1957 [inline] #4: ffffffff90158728 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x158/0x340 net/bluetooth/hci_conn.c:1265 1 lock held by syz-executor/11745: #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672 5 locks held by kworker/u9:4/11747: #0: ffff888081f7b148 ((wq_completion)hci9){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 #1: ffffc9000c637d80 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 #2: ffff88805a108d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x170/0x410 net/bluetooth/hci_sync.c:331 #3: ffff88805a108078 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x150/0xb50 net/bluetooth/hci_sync.c:5577 #4: ffffffff90158728 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1957 [inline] #4: ffffffff90158728 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x158/0x340 net/bluetooth/hci_conn.c:1265 4 locks held by kworker/u9:6/11750: #0: ffff8880a5b5b948 ((wq_completion)hci19#2){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 #1: ffffc90003e1fd80 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 #2: ffff8880a3964078 (&hdev->lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x99/0x980 net/bluetooth/hci_event.c:3685 #3: ffffffff90158728 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1957 [inline] #3: ffffffff90158728 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x486/0x980 net/bluetooth/hci_event.c:3719 1 lock held by syz-executor/11752: #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8feeffe8 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6672 ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline] watchdog+0xf0c/0x1240 kernel/hung_task.c:379 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 9071 Comm: kworker/1:5 Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Workqueue: events_power_efficient htable_gc RIP: 0010:orc_ip arch/x86/kernel/unwind_orc.c:80 [inline] RIP: 0010:__orc_find+0x70/0xf0 arch/x86/kernel/unwind_orc.c:102 Code: ec 72 4e 4c 89 e2 48 29 ea 48 89 d6 48 c1 ea 3f 48 c1 fe 02 48 01 f2 48 d1 fa 48 8d 5c 95 00 48 89 da 48 c1 ea 03 0f b6 34 0a <48> 89 da 83 e2 07 83 c2 03 40 38 f2 7c 05 40 84 f6 75 4b 48 63 13 RSP: 0018:ffffc90000a17958 EFLAGS: 00000a03 RAX: ffffffff90f1ae0a RBX: ffffffff907015ac RCX: dffffc0000000000 RDX: 1ffffffff20e02b5 RSI: 0000000000000000 RDI: ffffffff907015ac RBP: ffffffff907015ac R08: ffffffff90f1ae10 R09: 0000000000000000 R10: ffffc90000a17a58 R11: 0000000000003da4 R12: ffffffff907015ac R13: ffffffff813da403 R14: ffffffff907015ac R15: ffffffff907015ac FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3021bff8 CR3: 000000000df7e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: orc_find arch/x86/kernel/unwind_orc.c:227 [inline] unwind_next_frame+0x2be/0x20c0 arch/x86/kernel/unwind_orc.c:494 __unwind_start+0x45f/0x7f0 arch/x86/kernel/unwind_orc.c:760 unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0x74/0x100 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:579 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x51/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:230 [inline] slab_free_hook mm/slub.c:2342 [inline] slab_free mm/slub.c:4579 [inline] kmem_cache_free+0x152/0x4b0 mm/slub.c:4681 kfree_skbmem+0x1a4/0x1f0 net/core/skbuff.c:1148 __kfree_skb net/core/skbuff.c:1205 [inline] sk_skb_reason_drop+0x136/0x1a0 net/core/skbuff.c:1242 packet_rcv+0x16c/0x15a0 net/packet/af_packet.c:2290 dev_queue_xmit_nit+0x846/0xba0 net/core/dev.c:2347 xmit_one net/core/dev.c:3584 [inline] dev_hard_start_xmit+0x56/0x790 net/core/dev.c:3604 __dev_queue_xmit+0x7c7/0x4350 net/core/dev.c:4432 dev_queue_xmit include/linux/netdevice.h:3094 [inline] neigh_hh_output include/net/neighbour.h:526 [inline] neigh_output include/net/neighbour.h:540 [inline] ip6_finish_output2+0x11e9/0x1a50 net/ipv6/ip6_output.c:141 __ip6_finish_output net/ipv6/ip6_output.c:215 [inline] ip6_finish_output+0x3f9/0x1300 net/ipv6/ip6_output.c:226 NF_HOOK_COND include/linux/netfilter.h:303 [inline] ip6_output+0x1f8/0x540 net/ipv6/ip6_output.c:247 dst_output include/net/dst.h:450 [inline] ip6_local_out+0xcd/0x4a0 net/ipv6/output_core.c:155 synproxy_send_tcp_ipv6+0x5a5/0x690 net/netfilter/nf_synproxy_core.c:851 synproxy_send_client_synack_ipv6+0x95f/0xc60 net/netfilter/nf_synproxy_core.c:897 nft_synproxy_eval_v6 net/netfilter/nft_synproxy.c:90 [inline] nft_synproxy_do_eval+0x923/0xd60 net/netfilter/nft_synproxy.c:145 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline] nft_do_chain+0x2e6/0x18f0 net/netfilter/nf_tables_core.c:288 nft_do_chain_inet+0x18b/0x350 net/netfilter/nft_chain_filter.c:161 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xbb/0x200 net/netfilter/core.c:626 nf_hook.constprop.0+0x42e/0x750 include/linux/netfilter.h:269 NF_HOOK include/linux/netfilter.h:312 [inline] ip6_input+0x7c/0xd0 net/ipv6/ip6_input.c:490 dst_input include/net/dst.h:460 [inline] ip6_rcv_finish net/ipv6/ip6_input.c:79 [inline] NF_HOOK include/linux/netfilter.h:314 [inline] NF_HOOK include/linux/netfilter.h:308 [inline] ipv6_rcv+0x265/0x680 net/ipv6/ip6_input.c:309 __netif_receive_skb_one_core+0x12e/0x1e0 net/core/dev.c:5670 __netif_receive_skb+0x1d/0x160 net/core/dev.c:5783 process_backlog+0x443/0x15f0 net/core/dev.c:6115 __napi_poll.constprop.0+0xb7/0x550 net/core/dev.c:6779 napi_poll net/core/dev.c:6848 [inline] net_rx_action+0xa92/0x1010 net/core/dev.c:6970 handle_softirqs+0x213/0x8f0 kernel/softirq.c:554 do_softirq kernel/softirq.c:455 [inline] do_softirq+0xb2/0xf0 kernel/softirq.c:442 __local_bh_enable_ip+0x100/0x120 kernel/softirq.c:382 spin_unlock_bh include/linux/spinlock.h:396 [inline] htable_selective_cleanup+0x2ef/0x440 net/netfilter/xt_hashlimit.c:374 htable_gc+0x1f/0xb0 net/netfilter/xt_hashlimit.c:385 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 IPVS: fo: UDP 224.0.0.2:0 - no destination available