===================================================== WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected 6.8.0-syzkaller-05271-gf99c5f563c17 #0 Not tainted ----------------------------------------------------- syz-executor.3/8237 [HC0[0]:SC0[2]:HE0:SE0] is trying to acquire: ffff88804c279a00 (&stab->lock){+...}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:356 [inline] ffff88804c279a00 (&stab->lock){+...}-{2:2}, at: __sock_map_delete net/core/sock_map.c:414 [inline] ffff88804c279a00 (&stab->lock){+...}-{2:2}, at: sock_map_delete_elem+0x97/0x140 net/core/sock_map.c:446 and this task is already holding: ffff88804909e410 (&p->pi_lock){-.-.}-{2:2}, at: class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:553 [inline] ffff88804909e410 (&p->pi_lock){-.-.}-{2:2}, at: try_to_wake_up+0xb0/0x1470 kernel/sched/core.c:4262 which would create a new lock dependency: (&p->pi_lock){-.-.}-{2:2} -> (&stab->lock){+...}-{2:2} but this new dependency connects a HARDIRQ-irq-safe lock: (&p->pi_lock){-.-.}-{2:2} ... which became HARDIRQ-irq-safe at: lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:553 [inline] try_to_wake_up+0xb0/0x1470 kernel/sched/core.c:4262 autoremove_wake_function+0x16/0x110 kernel/sched/wait.c:384 __wake_up_common kernel/sched/wait.c:89 [inline] __wake_up_common_lock+0x130/0x1e0 kernel/sched/wait.c:106 irq_work_single+0xe2/0x240 kernel/irq_work.c:221 irq_work_run_list kernel/irq_work.c:252 [inline] irq_work_run+0x18b/0x350 kernel/irq_work.c:261 __sysvec_irq_work+0xa8/0x3e0 arch/x86/kernel/irq_work.c:22 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline] sysvec_irq_work+0x9e/0xc0 arch/x86/kernel/irq_work.c:17 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:738 __wrmsr arch/x86/include/asm/msr.h:96 [inline] native_write_msr arch/x86/include/asm/msr.h:160 [inline] wrmsr arch/x86/include/asm/msr.h:269 [inline] native_apic_msr_write+0x39/0x50 arch/x86/include/asm/apic.h:207 __apic_send_IPI_self arch/x86/include/asm/apic.h:458 [inline] arch_irq_work_raise+0x6f/0x80 arch/x86/kernel/irq_work.c:31 irq_work_queue+0xa7/0x150 kernel/irq_work.c:124 __kfence_alloc+0x22e/0x370 mm/kfence/core.c:1088 kfence_alloc include/linux/kfence.h:129 [inline] slab_alloc_node mm/slub.c:3846 [inline] __do_kmalloc_node mm/slub.c:3980 [inline] __kmalloc+0x41c/0x4a0 mm/slub.c:3994 kmalloc include/linux/slab.h:594 [inline] kzalloc include/linux/slab.h:711 [inline] alloc_workqueue+0x1b0/0x20c0 kernel/workqueue.c:5542 init_mm_internals+0x17/0x120 mm/vmstat.c:2122 kernel_init_freeable+0x403/0x5d0 init/main.c:1543 kernel_init+0x1d/0x2a0 init/main.c:1446 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 to a HARDIRQ-irq-unsafe lock: (&stab->lock){+...}-{2:2} ... which became HARDIRQ-irq-unsafe at: ... lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] __sock_map_delete net/core/sock_map.c:414 [inline] sock_map_delete_elem+0x97/0x140 net/core/sock_map.c:446 0xffffffffa0000db6 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:657 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run6+0x29f/0x4d0 kernel/trace/bpf_trace.c:2424 __bpf_trace_ext4_ext_remove_space_done+0x43/0x60 include/trace/events/ext4.h:2128 trace_ext4_ext_remove_space_done include/trace/events/ext4.h:2128 [inline] ext4_ext_remove_space+0x4b84/0x4db0 fs/ext4/extents.c:3007 ext4_ext_truncate+0x159/0x2b0 fs/ext4/extents.c:4440 ext4_truncate+0xa08/0x1130 fs/ext4/inode.c:4146 ext4_evict_inode+0x8ff/0xf30 fs/ext4/inode.c:258 evict+0x2a8/0x630 fs/inode.c:667 d_delete_notify include/linux/fsnotify.h:301 [inline] vfs_rmdir+0x38f/0x4c0 fs/namei.c:4220 do_rmdir+0x3b5/0x580 fs/namei.c:4266 __do_sys_unlinkat fs/namei.c:4442 [inline] __se_sys_unlinkat fs/namei.c:4436 [inline] __x64_sys_unlinkat+0xe0/0xf0 fs/namei.c:4436 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 other info that might help us debug this: Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&stab->lock); local_irq_disable(); lock(&p->pi_lock); lock(&stab->lock); lock(&p->pi_lock); *** DEADLOCK *** 5 locks held by syz-executor.3/8237: #0: ffffffff8f385a08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8f385a08 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592 #1: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline] #1: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline] #1: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: __queue_work+0x198/0xec0 kernel/workqueue.c:2324 #2: ffff888014ca0018 (&pool->lock){-.-.}-{2:2}, at: __queue_work+0x6ec/0xec0 #3: ffff88804909e410 (&p->pi_lock){-.-.}-{2:2}, at: class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:553 [inline] #3: ffff88804909e410 (&p->pi_lock){-.-.}-{2:2}, at: try_to_wake_up+0xb0/0x1470 kernel/sched/core.c:4262 #4: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline] #4: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline] #4: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2380 [inline] #4: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x114/0x420 kernel/trace/bpf_trace.c:2420 the dependencies between HARDIRQ-irq-safe lock and the holding lock: -> (&p->pi_lock){-.-.}-{2:2} { IN-HARDIRQ-W at: lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:553 [inline] try_to_wake_up+0xb0/0x1470 kernel/sched/core.c:4262 autoremove_wake_function+0x16/0x110 kernel/sched/wait.c:384 __wake_up_common kernel/sched/wait.c:89 [inline] __wake_up_common_lock+0x130/0x1e0 kernel/sched/wait.c:106 irq_work_single+0xe2/0x240 kernel/irq_work.c:221 irq_work_run_list kernel/irq_work.c:252 [inline] irq_work_run+0x18b/0x350 kernel/irq_work.c:261 __sysvec_irq_work+0xa8/0x3e0 arch/x86/kernel/irq_work.c:22 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline] sysvec_irq_work+0x9e/0xc0 arch/x86/kernel/irq_work.c:17 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:738 __wrmsr arch/x86/include/asm/msr.h:96 [inline] native_write_msr arch/x86/include/asm/msr.h:160 [inline] wrmsr arch/x86/include/asm/msr.h:269 [inline] native_apic_msr_write+0x39/0x50 arch/x86/include/asm/apic.h:207 __apic_send_IPI_self arch/x86/include/asm/apic.h:458 [inline] arch_irq_work_raise+0x6f/0x80 arch/x86/kernel/irq_work.c:31 irq_work_queue+0xa7/0x150 kernel/irq_work.c:124 __kfence_alloc+0x22e/0x370 mm/kfence/core.c:1088 kfence_alloc include/linux/kfence.h:129 [inline] slab_alloc_node mm/slub.c:3846 [inline] __do_kmalloc_node mm/slub.c:3980 [inline] __kmalloc+0x41c/0x4a0 mm/slub.c:3994 kmalloc include/linux/slab.h:594 [inline] kzalloc include/linux/slab.h:711 [inline] alloc_workqueue+0x1b0/0x20c0 kernel/workqueue.c:5542 init_mm_internals+0x17/0x120 mm/vmstat.c:2122 kernel_init_freeable+0x403/0x5d0 init/main.c:1543 kernel_init+0x1d/0x2a0 init/main.c:1446 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 IN-SOFTIRQ-W at: lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:553 [inline] try_to_wake_up+0xb0/0x1470 kernel/sched/core.c:4262 call_timer_fn+0x17e/0x600 kernel/time/timer.c:1792 expire_timers kernel/time/timer.c:1843 [inline] __run_timers kernel/time/timer.c:2408 [inline] __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2419 run_timer_base kernel/time/timer.c:2428 [inline] run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2438 __do_softirq+0x2bc/0x943 kernel/softirq.c:554 invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633 irq_exit_rcu+0x9/0x30 kernel/softirq.c:645 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline] arch_safe_halt arch/x86/include/asm/irqflags.h:86 [inline] default_idle+0x13/0x20 arch/x86/kernel/process.c:742 default_idle_call+0x74/0xb0 kernel/sched/idle.c:117 cpuidle_idle_call kernel/sched/idle.c:191 [inline] do_idle+0x22f/0x5d0 kernel/sched/idle.c:332 cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:430 rest_init+0x2e0/0x300 init/main.c:730 arch_call_rest_init+0xe/0x10 init/main.c:831 start_kernel+0x47a/0x500 init/main.c:1077 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:509 x86_64_start_kernel+0x99/0xa0 arch/x86/kernel/head64.c:490 common_startup_64+0x13e/0x147 INITIAL USE at: lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 sched_cgroup_fork+0x33/0x410 kernel/sched/core.c:4828 copy_process+0x2217/0x3df0 kernel/fork.c:2498 kernel_clone+0x21e/0x8d0 kernel/fork.c:2796 user_mode_thread+0x132/0x1a0 kernel/fork.c:2874 rest_init+0x27/0x300 init/main.c:695 arch_call_rest_init+0xe/0x10 init/main.c:831 start_kernel+0x47a/0x500 init/main.c:1077 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:509 x86_64_start_kernel+0x99/0xa0 arch/x86/kernel/head64.c:490 common_startup_64+0x13e/0x147 } ... key at: [] rt_mutex_init_task.__key+0x0/0x20 the dependencies between the lock to be acquired and HARDIRQ-irq-unsafe lock: -> (&stab->lock){+...}-{2:2} { HARDIRQ-ON-W at: lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] __sock_map_delete net/core/sock_map.c:414 [inline] sock_map_delete_elem+0x97/0x140 net/core/sock_map.c:446 0xffffffffa0000db6 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:657 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run6+0x29f/0x4d0 kernel/trace/bpf_trace.c:2424 __bpf_trace_ext4_ext_remove_space_done+0x43/0x60 include/trace/events/ext4.h:2128 trace_ext4_ext_remove_space_done include/trace/events/ext4.h:2128 [inline] ext4_ext_remove_space+0x4b84/0x4db0 fs/ext4/extents.c:3007 ext4_ext_truncate+0x159/0x2b0 fs/ext4/extents.c:4440 ext4_truncate+0xa08/0x1130 fs/ext4/inode.c:4146 ext4_evict_inode+0x8ff/0xf30 fs/ext4/inode.c:258 evict+0x2a8/0x630 fs/inode.c:667 d_delete_notify include/linux/fsnotify.h:301 [inline] vfs_rmdir+0x38f/0x4c0 fs/namei.c:4220 do_rmdir+0x3b5/0x580 fs/namei.c:4266 __do_sys_unlinkat fs/namei.c:4442 [inline] __se_sys_unlinkat fs/namei.c:4436 [inline] __x64_sys_unlinkat+0xe0/0xf0 fs/namei.c:4436 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 INITIAL USE at: lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] __sock_map_delete net/core/sock_map.c:414 [inline] sock_map_delete_elem+0x97/0x140 net/core/sock_map.c:446 0xffffffffa0000db6 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:657 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run6+0x29f/0x4d0 kernel/trace/bpf_trace.c:2424 __bpf_trace_ext4_ext_remove_space_done+0x43/0x60 include/trace/events/ext4.h:2128 trace_ext4_ext_remove_space_done include/trace/events/ext4.h:2128 [inline] ext4_ext_remove_space+0x4b84/0x4db0 fs/ext4/extents.c:3007 ext4_ext_truncate+0x159/0x2b0 fs/ext4/extents.c:4440 ext4_truncate+0xa08/0x1130 fs/ext4/inode.c:4146 ext4_evict_inode+0x8ff/0xf30 fs/ext4/inode.c:258 evict+0x2a8/0x630 fs/inode.c:667 d_delete_notify include/linux/fsnotify.h:301 [inline] vfs_rmdir+0x38f/0x4c0 fs/namei.c:4220 do_rmdir+0x3b5/0x580 fs/namei.c:4266 __do_sys_unlinkat fs/namei.c:4442 [inline] __se_sys_unlinkat fs/namei.c:4436 [inline] __x64_sys_unlinkat+0xe0/0xf0 fs/namei.c:4436 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 } ... key at: [] sock_map_alloc.__key+0x0/0x20 ... acquired at: lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] __sock_map_delete net/core/sock_map.c:414 [inline] sock_map_delete_elem+0x97/0x140 net/core/sock_map.c:446 bpf_prog_8a405b5ced52e191+0x4a/0x4e bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:650 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run2+0x375/0x420 kernel/trace/bpf_trace.c:2420 trace_sched_migrate_task include/trace/events/sched.h:274 [inline] set_task_cpu+0x53d/0x5b0 kernel/sched/core.c:3390 try_to_wake_up+0x75b/0x1470 kernel/sched/core.c:4372 kick_pool+0x41b/0x5c0 kernel/workqueue.c:1284 __queue_work+0xc20/0xec0 kernel/workqueue.c:2401 queue_work_on+0x14f/0x250 kernel/workqueue.c:2435 queue_work include/linux/workqueue.h:605 [inline] netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:659 [inline] netdevice_event+0x820/0x950 drivers/infiniband/core/roce_gid_mgmt.c:802 notifier_call_chain+0x18f/0x3b0 kernel/notifier.c:93 __netdev_upper_dev_link+0x4c3/0x670 net/core/dev.c:7797 netdev_master_upper_dev_link+0xb1/0x100 net/core/dev.c:7867 batadv_hardif_enable_interface+0x26e/0x9f0 net/batman-adv/hard-interface.c:734 batadv_softif_slave_add+0x79/0xf0 net/batman-adv/soft-interface.c:844 do_set_master net/core/rtnetlink.c:2685 [inline] do_setlink+0xe70/0x41f0 net/core/rtnetlink.c:2891 __rtnl_newlink net/core/rtnetlink.c:3680 [inline] rtnl_newlink+0x180b/0x20a0 net/core/rtnetlink.c:3727 rtnetlink_rcv_msg+0x89b/0x10d0 net/core/rtnetlink.c:6595 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2559 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline] netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x8e1/0xcb0 net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 __sys_sendto+0x3a4/0x4f0 net/socket.c:2191 __do_sys_sendto net/socket.c:2203 [inline] __se_sys_sendto net/socket.c:2199 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2199 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 stack backtrace: CPU: 1 PID: 8237 Comm: syz-executor.3 Not tainted 6.8.0-syzkaller-05271-gf99c5f563c17 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106 print_bad_irq_dependency kernel/locking/lockdep.c:2626 [inline] check_irq_usage kernel/locking/lockdep.c:2865 [inline] check_prev_add kernel/locking/lockdep.c:3138 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain+0x4dc7/0x58e0 kernel/locking/lockdep.c:3869 __lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137 lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] __sock_map_delete net/core/sock_map.c:414 [inline] sock_map_delete_elem+0x97/0x140 net/core/sock_map.c:446 bpf_prog_8a405b5ced52e191+0x4a/0x4e bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:650 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run2+0x375/0x420 kernel/trace/bpf_trace.c:2420 trace_sched_migrate_task include/trace/events/sched.h:274 [inline] set_task_cpu+0x53d/0x5b0 kernel/sched/core.c:3390 try_to_wake_up+0x75b/0x1470 kernel/sched/core.c:4372 kick_pool+0x41b/0x5c0 kernel/workqueue.c:1284 __queue_work+0xc20/0xec0 kernel/workqueue.c:2401 queue_work_on+0x14f/0x250 kernel/workqueue.c:2435 queue_work include/linux/workqueue.h:605 [inline] netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:659 [inline] netdevice_event+0x820/0x950 drivers/infiniband/core/roce_gid_mgmt.c:802 notifier_call_chain+0x18f/0x3b0 kernel/notifier.c:93 __netdev_upper_dev_link+0x4c3/0x670 net/core/dev.c:7797 netdev_master_upper_dev_link+0xb1/0x100 net/core/dev.c:7867 batadv_hardif_enable_interface+0x26e/0x9f0 net/batman-adv/hard-interface.c:734 batadv_softif_slave_add+0x79/0xf0 net/batman-adv/soft-interface.c:844 do_set_master net/core/rtnetlink.c:2685 [inline] do_setlink+0xe70/0x41f0 net/core/rtnetlink.c:2891 __rtnl_newlink net/core/rtnetlink.c:3680 [inline] rtnl_newlink+0x180b/0x20a0 net/core/rtnetlink.c:3727 rtnetlink_rcv_msg+0x89b/0x10d0 net/core/rtnetlink.c:6595 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2559 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline] netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x8e1/0xcb0 net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 __sys_sendto+0x3a4/0x4f0 net/socket.c:2191 __do_sys_sendto net/socket.c:2203 [inline] __se_sys_sendto net/socket.c:2199 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2199 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7f1ea3c7fa9c Code: 1a 51 02 00 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 60 51 02 00 48 8b RSP: 002b:00007fff056ecfa0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f1ea48d4620 RCX: 00007f1ea3c7fa9c RDX: 0000000000000028 RSI: 00007f1ea48d4670 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007fff056ecff4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f1ea48d4670 R15: 0000000000000000