netlink: 'syz.1.664': attribute type 1 has an invalid length. ------------[ cut here ]------------ ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ syz.1.664/9776 is trying to acquire lock: ffffffff8d1260a0 (console_owner){-.-.}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:339 [inline] ffffffff8d1260a0 (console_owner){-.-.}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:232 [inline] ffffffff8d1260a0 (console_owner){-.-.}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:292 [inline] ffffffff8d1260a0 (console_owner){-.-.}-{0:0}, at: console_flush_all+0x10b/0xcf0 kernel/printk/printk.c:2992 but task is already holding lock: ffff8880b8e3c298 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x9c/0x130 kernel/sched/core.c:567 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #4 (&rq->__lock){-.-.}-{2:2}: _raw_spin_lock_nested+0x32/0x50 kernel/locking/spinlock.c:378 raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:559 raw_spin_rq_lock kernel/sched/sched.h:1379 [inline] rq_lock kernel/sched/sched.h:1688 [inline] task_fork_fair+0x62/0x1f0 kernel/sched/fair.c:12728 sched_cgroup_fork+0x352/0x3e0 kernel/sched/core.c:4818 copy_process+0x21fd/0x3da0 kernel/fork.c:2619 kernel_clone+0x24b/0x8a0 kernel/fork.c:2919 user_mode_thread+0x111/0x180 kernel/fork.c:2997 rest_init+0x27/0x300 init/main.c:709 arch_call_rest_init+0xe/0x10 init/main.c:840 start_kernel+0x461/0x4e0 init/main.c:1085 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:555 copy_bootdata+0x0/0xd0 arch/x86/kernel/head64.c:536 secondary_startup_64_no_verify+0x179/0x17b -> #3 (&p->pi_lock){-.-.}-{2:2}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xb4/0x100 kernel/locking/spinlock.c:162 class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:523 [inline] try_to_wake_up+0x5b/0x10e0 kernel/sched/core.c:4233 __wake_up_common+0x28e/0x4d0 kernel/sched/wait.c:107 __wake_up_common_lock kernel/sched/wait.c:138 [inline] __wake_up+0x125/0x1a0 kernel/sched/wait.c:160 tty_port_default_wakeup+0xa2/0xf0 drivers/tty/tty_port.c:69 serial8250_tx_chars+0x6a2/0x8b0 drivers/tty/serial/8250/8250_port.c:1837 serial8250_handle_irq+0x567/0x730 drivers/tty/serial/8250/8250_port.c:1944 serial8250_default_handle_irq+0xb8/0x1a0 drivers/tty/serial/8250/8250_port.c:1964 serial8250_interrupt+0x9f/0x1c0 drivers/tty/serial/8250/8250_core.c:127 __handle_irq_event_percpu+0x271/0x940 kernel/irq/handle.c:158 handle_irq_event_percpu kernel/irq/handle.c:193 [inline] handle_irq_event+0x8b/0x1e0 kernel/irq/handle.c:210 handle_edge_irq+0x246/0xb20 kernel/irq/chip.c:831 generic_handle_irq_desc include/linux/irqdesc.h:161 [inline] handle_irq arch/x86/kernel/irq.c:240 [inline] __common_interrupt+0x13b/0x230 arch/x86/kernel/irq.c:259 common_interrupt+0xb4/0xd0 arch/x86/kernel/irq.c:249 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:678 kernfs_find_ns+0x12/0x330 fs/kernfs/dir.c:840 kernfs_iop_lookup+0x155/0x380 fs/kernfs/dir.c:1204 __lookup_slow+0x2a1/0x400 fs/namei.c:1702 lookup_slow+0x53/0x70 fs/namei.c:1719 walk_component+0x2ad/0x3e0 fs/namei.c:2010 lookup_last fs/namei.c:2467 [inline] path_lookupat+0x148/0x420 fs/namei.c:2491 filename_lookup+0x22d/0x580 fs/namei.c:2520 vfs_statx+0x112/0x680 fs/stat.c:244 vfs_fstatat+0x12a/0x1b0 fs/stat.c:299 __do_sys_newfstatat fs/stat.c:463 [inline] __se_sys_newfstatat fs/stat.c:457 [inline] __x64_sys_newfstatat+0x149/0x1f0 fs/stat.c:457 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 -> #2 (&tty->write_wait){-.-.}-{2:2}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xb4/0x100 kernel/locking/spinlock.c:162 __wake_up_common_lock kernel/sched/wait.c:137 [inline] __wake_up+0x10b/0x1a0 kernel/sched/wait.c:160 tty_port_default_wakeup+0xa2/0xf0 drivers/tty/tty_port.c:69 serial8250_tx_chars+0x6a2/0x8b0 drivers/tty/serial/8250/8250_port.c:1837 serial8250_handle_irq+0x567/0x730 drivers/tty/serial/8250/8250_port.c:1944 serial8250_default_handle_irq+0xb8/0x1a0 drivers/tty/serial/8250/8250_port.c:1964 serial8250_interrupt+0x9f/0x1c0 drivers/tty/serial/8250/8250_core.c:127 __handle_irq_event_percpu+0x271/0x940 kernel/irq/handle.c:158 handle_irq_event_percpu kernel/irq/handle.c:193 [inline] handle_irq_event+0x8b/0x1e0 kernel/irq/handle.c:210 handle_edge_irq+0x246/0xb20 kernel/irq/chip.c:831 generic_handle_irq_desc include/linux/irqdesc.h:161 [inline] handle_irq arch/x86/kernel/irq.c:240 [inline] __common_interrupt+0x13b/0x230 arch/x86/kernel/irq.c:259 common_interrupt+0xb4/0xd0 arch/x86/kernel/irq.c:249 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:678 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock_irqrestore+0xc0/0x120 kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] uart_write+0x45b/0x5d0 drivers/tty/serial/serial_core.c:634 process_output_block drivers/tty/n_tty.c:580 [inline] n_tty_write+0xd3d/0x11e0 drivers/tty/n_tty.c:2395 iterate_tty_write drivers/tty/tty_io.c:1017 [inline] file_tty_write+0x529/0x960 drivers/tty/tty_io.c:1088 call_write_iter include/linux/fs.h:2018 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x474/0x9a0 fs/read_write.c:584 ksys_write+0x151/0x260 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 -> #1 (&port_lock_key){-.-.}-{2:2}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xb4/0x100 kernel/locking/spinlock.c:162 serial8250_console_write+0x181/0x18b0 drivers/tty/serial/8250/8250_port.c:3439 console_emit_next_record kernel/printk/printk.c:2944 [inline] console_flush_all+0x6ad/0xcf0 kernel/printk/printk.c:3000 console_unlock+0xad/0x350 kernel/printk/printk.c:3069 vprintk_emit+0x497/0x610 kernel/printk/printk.c:2341 _printk+0xde/0x130 kernel/printk/printk.c:2366 register_console+0xb96/0xf00 kernel/printk/printk.c:3583 univ8250_console_init+0x45/0x50 drivers/tty/serial/8250/8250_core.c:717 console_init+0x17b/0x5d0 kernel/printk/printk.c:3726 start_kernel+0x2c8/0x4e0 init/main.c:1021 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:555 copy_bootdata+0x0/0xd0 arch/x86/kernel/head64.c:536 secondary_startup_64_no_verify+0x179/0x17b -> #0 (console_owner){-.-.}-{0:0}: check_prev_add kernel/locking/lockdep.c:3134 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain kernel/locking/lockdep.c:3869 [inline] __lock_acquire+0x37ef/0x7d80 kernel/locking/lockdep.c:5137 lock_acquire+0x19e/0x420 kernel/locking/lockdep.c:5754 console_lock_spinning_enable kernel/printk/printk.c:1871 [inline] console_emit_next_record kernel/printk/printk.c:2938 [inline] console_flush_all+0x676/0xcf0 kernel/printk/printk.c:3000 console_unlock+0xad/0x350 kernel/printk/printk.c:3069 vprintk_emit+0x497/0x610 kernel/printk/printk.c:2341 _printk+0xde/0x130 kernel/printk/printk.c:2366 __report_bug lib/bug.c:195 [inline] report_bug+0x34e/0x4f0 lib/bug.c:219 handle_bug+0xcf/0x120 arch/x86/kernel/traps.c:310 exc_invalid_op+0x1a/0x50 arch/x86/kernel/traps.c:345 asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:606 update_rq_clock+0x32e/0x4b0 kernel/sched/core.c:772 pick_next_task kernel/sched/core.c:6187 [inline] __schedule+0x2c72/0x4660 kernel/sched/core.c:6663 preempt_schedule_irq+0xbf/0x150 kernel/sched/core.c:7011 irqentry_exit+0x67/0x70 kernel/entry/common.c:438 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 batadv_hardif_get_by_netdev+0x166/0x3e0 net/batman-adv/hard-interface.c:72 batadv_hard_if_event+0x82/0x1570 net/batman-adv/hard-interface.c:967 notifier_call_chain+0x18f/0x380 kernel/notifier.c:93 call_netdevice_notifiers_extack net/core/dev.c:2077 [inline] call_netdevice_notifiers net/core/dev.c:2091 [inline] register_netdevice+0x1670/0x1ba0 net/core/dev.c:10351 bond_newlink+0x22/0xa0 drivers/net/bonding/bond_netlink.c:602 rtnl_newlink_create net/core/rtnetlink.c:3529 [inline] __rtnl_newlink net/core/rtnetlink.c:3749 [inline] rtnl_newlink+0x15a0/0x2170 net/core/rtnetlink.c:3762 rtnetlink_rcv_msg+0x843/0xf90 net/core/rtnetlink.c:6484 netlink_rcv_skb+0x235/0x4c0 net/netlink/af_netlink.c:2550 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x7b1/0x930 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8d0/0xbf0 net/netlink/af_netlink.c:1899 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x61b/0x980 net/socket.c:2595 ___sys_sendmsg+0x2a6/0x360 net/socket.c:2649 __sys_sendmsg net/socket.c:2678 [inline] __do_sys_sendmsg net/socket.c:2687 [inline] __se_sys_sendmsg+0x1d0/0x2c0 net/socket.c:2685 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 other info that might help us debug this: Chain exists of: console_owner --> &p->pi_lock --> &rq->__lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&rq->__lock); lock(&p->pi_lock); lock(&rq->__lock); lock(console_owner); *** DEADLOCK *** 5 locks held by syz.1.664/9776: #0: ffffffff8e3d6b08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline] #0: ffffffff8e3d6b08 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7ed/0xf90 net/core/rtnetlink.c:6481 #1: ffffffff8d131da0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:334 [inline] #1: ffffffff8d131da0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:786 [inline] #1: ffffffff8d131da0 (rcu_read_lock){....}-{1:2}, at: batadv_hardif_get_by_netdev+0x7b/0x3e0 net/batman-adv/hard-interface.c:70 #2: ffff8880b8e3c298 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x9c/0x130 kernel/sched/core.c:567 #3: ffffffff8d126180 (console_lock){+.+.}-{0:0}, at: _printk+0xde/0x130 kernel/printk/printk.c:2366 #4: ffffffff8d00d990 (console_srcu){....}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:339 [inline] #4: ffffffff8d00d990 (console_srcu){....}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:232 [inline] #4: ffffffff8d00d990 (console_srcu){....}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:292 [inline] #4: ffffffff8d00d990 (console_srcu){....}-{0:0}, at: console_flush_all+0x10b/0xcf0 kernel/printk/printk.c:2992 stack backtrace: CPU: 0 PID: 9776 Comm: syz.1.664 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0x18c/0x250 lib/dump_stack.c:106 check_noncircular+0x2fc/0x400 kernel/locking/lockdep.c:2187 check_prev_add kernel/locking/lockdep.c:3134 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain kernel/locking/lockdep.c:3869 [inline] __lock_acquire+0x37ef/0x7d80 kernel/locking/lockdep.c:5137 lock_acquire+0x19e/0x420 kernel/locking/lockdep.c:5754 console_lock_spinning_enable kernel/printk/printk.c:1871 [inline] console_emit_next_record kernel/printk/printk.c:2938 [inline] console_flush_all+0x676/0xcf0 kernel/printk/printk.c:3000 console_unlock+0xad/0x350 kernel/printk/printk.c:3069 vprintk_emit+0x497/0x610 kernel/printk/printk.c:2341 _printk+0xde/0x130 kernel/printk/printk.c:2366 __report_bug lib/bug.c:195 [inline] report_bug+0x34e/0x4f0 lib/bug.c:219 handle_bug+0xcf/0x120 arch/x86/kernel/traps.c:310 exc_invalid_op+0x1a/0x50 arch/x86/kernel/traps.c:345 asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:606 RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1370 [inline] RIP: 0010:update_rq_clock+0x32e/0x4b0 kernel/sched/core.c:756 Code: 00 00 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 34 f2 82 00 48 01 2b 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b e9 62 fd ff ff 48 89 df 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 RSP: 0018:ffffc9000b896860 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff8880b8f3c280 RCX: 73c4c84a106cad00 RDX: 0000000000000003 RSI: ffffffff8acadd60 RDI: ffffffff8b1d0660 RBP: ffffc9000b896ab0 R08: ffffffff8e8c7caf R09: 1ffffffff1d18f95 R10: dffffc0000000000 R11: fffffbfff1d18f96 R12: ffffffff8ca92a38 R13: dffffc0000000000 R14: ffff8880b8f3cfc8 R15: ffff8880b8f3c280 pick_next_task kernel/sched/core.c:6187 [inline] __schedule+0x2c72/0x4660 kernel/sched/core.c:6663 preempt_schedule_irq+0xbf/0x150 kernel/sched/core.c:7011 irqentry_exit+0x67/0x70 kernel/entry/common.c:438 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 RIP: 0010:batadv_hardif_get_by_netdev+0x166/0x3e0 net/batman-adv/hard-interface.c:72 Code: c4 1d 0d 49 81 ff 40 62 70 97 0f 84 bb 01 00 00 4c 89 74 24 10 4c 89 6c 24 08 49 8d 5f 18 48 89 d8 48 c1 e8 03 42 80 3c 20 00 <74> 08 48 89 df e8 70 4e 8d f7 4c 39 33 74 0a e8 16 d1 34 f7 e9 03 RSP: 0018:ffffc9000b896c20 EFLAGS: 00000246 RAX: 1ffff11004826c03 RBX: ffff888024136018 RCX: 0000000000080000 RDX: ffffc9000fc2a000 RSI: 0000000000073e0c RDI: 0000000000073e0d RBP: ffffc9000b896cd0 R08: dffffc0000000000 R09: 1ffffffff223d6a0 R10: dffffc0000000000 R11: fffffbfff223d6a1 R12: dffffc0000000000 R13: 1ffff92001712d88 R14: ffff88805d684000 R15: ffff888024136000 batadv_hard_if_event+0x82/0x1570 net/batman-adv/hard-interface.c:967 notifier_call_chain+0x18f/0x380 kernel/notifier.c:93 call_netdevice_notifiers_extack net/core/dev.c:2077 [inline] call_netdevice_notifiers net/core/dev.c:2091 [inline] register_netdevice+0x1670/0x1ba0 net/core/dev.c:10351 bond_newlink+0x22/0xa0 drivers/net/bonding/bond_netlink.c:602 rtnl_newlink_create net/core/rtnetlink.c:3529 [inline] __rtnl_newlink net/core/rtnetlink.c:3749 [inline] rtnl_newlink+0x15a0/0x2170 net/core/rtnetlink.c:3762 rtnetlink_rcv_msg+0x843/0xf90 net/core/rtnetlink.c:6484 netlink_rcv_skb+0x235/0x4c0 net/netlink/af_netlink.c:2550 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x7b1/0x930 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8d0/0xbf0 net/netlink/af_netlink.c:1899 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x61b/0x980 net/socket.c:2595 ___sys_sendmsg+0x2a6/0x360 net/socket.c:2649 __sys_sendmsg net/socket.c:2678 [inline] __do_sys_sendmsg net/socket.c:2687 [inline] __se_sys_sendmsg+0x1d0/0x2c0 net/socket.c:2685 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f3adf19e019 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3ae003f028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f3adf425fa0 RCX: 00007f3adf19e019 RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000005 RBP: 00007f3adf23500c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3adf426038 R14: 00007f3adf425fa0 R15: 00007ffea8ecb9f8 WARNING: CPU: 0 PID: 9776 at kernel/sched/sched.h:1370 update_rq_clock+0x32e/0x4b0 kernel/sched/core.c:772 Modules linked in: CPU: 0 PID: 9776 Comm: syz.1.664 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1370 [inline] RIP: 0010:update_rq_clock+0x32e/0x4b0 kernel/sched/core.c:756 Code: 00 00 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 34 f2 82 00 48 01 2b 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b e9 62 fd ff ff 48 89 df 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 RSP: 0018:ffffc9000b896860 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff8880b8f3c280 RCX: 73c4c84a106cad00 RDX: 0000000000000003 RSI: ffffffff8acadd60 RDI: ffffffff8b1d0660 RBP: ffffc9000b896ab0 R08: ffffffff8e8c7caf R09: 1ffffffff1d18f95 R10: dffffc0000000000 R11: fffffbfff1d18f96 R12: ffffffff8ca92a38 R13: dffffc0000000000 R14: ffff8880b8f3cfc8 R15: ffff8880b8f3c280 FS: 00007f3ae003f6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff6ac79a286 CR3: 00000000210d3000 CR4: 00000000003506f0 Call Trace: pick_next_task kernel/sched/core.c:6187 [inline] __schedule+0x2c72/0x4660 kernel/sched/core.c:6663 preempt_schedule_irq+0xbf/0x150 kernel/sched/core.c:7011 irqentry_exit+0x67/0x70 kernel/entry/common.c:438 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 RIP: 0010:batadv_hardif_get_by_netdev+0x166/0x3e0 net/batman-adv/hard-interface.c:72 Code: c4 1d 0d 49 81 ff 40 62 70 97 0f 84 bb 01 00 00 4c 89 74 24 10 4c 89 6c 24 08 49 8d 5f 18 48 89 d8 48 c1 e8 03 42 80 3c 20 00 <74> 08 48 89 df e8 70 4e 8d f7 4c 39 33 74 0a e8 16 d1 34 f7 e9 03 RSP: 0018:ffffc9000b896c20 EFLAGS: 00000246 RAX: 1ffff11004826c03 RBX: ffff888024136018 RCX: 0000000000080000 RDX: ffffc9000fc2a000 RSI: 0000000000073e0c RDI: 0000000000073e0d RBP: ffffc9000b896cd0 R08: dffffc0000000000 R09: 1ffffffff223d6a0 R10: dffffc0000000000 R11: fffffbfff223d6a1 R12: dffffc0000000000 R13: 1ffff92001712d88 R14: ffff88805d684000 R15: ffff888024136000 batadv_hard_if_event+0x82/0x1570 net/batman-adv/hard-interface.c:967 notifier_call_chain+0x18f/0x380 kernel/notifier.c:93 call_netdevice_notifiers_extack net/core/dev.c:2077 [inline] call_netdevice_notifiers net/core/dev.c:2091 [inline] register_netdevice+0x1670/0x1ba0 net/core/dev.c:10351 bond_newlink+0x22/0xa0 drivers/net/bonding/bond_netlink.c:602 rtnl_newlink_create net/core/rtnetlink.c:3529 [inline] __rtnl_newlink net/core/rtnetlink.c:3749 [inline] rtnl_newlink+0x15a0/0x2170 net/core/rtnetlink.c:3762 rtnetlink_rcv_msg+0x843/0xf90 net/core/rtnetlink.c:6484 netlink_rcv_skb+0x235/0x4c0 net/netlink/af_netlink.c:2550 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x7b1/0x930 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8d0/0xbf0 net/netlink/af_netlink.c:1899 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x61b/0x980 net/socket.c:2595 ___sys_sendmsg+0x2a6/0x360 net/socket.c:2649 __sys_sendmsg net/socket.c:2678 [inline] __do_sys_sendmsg net/socket.c:2687 [inline] __se_sys_sendmsg+0x1d0/0x2c0 net/socket.c:2685 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f3adf19e019 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3ae003f028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f3adf425fa0 RCX: 00007f3adf19e019 RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000005 RBP: 00007f3adf23500c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3adf426038 R14: 00007f3adf425fa0 R15: 00007ffea8ecb9f8 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 1d 0d 49 81 ff sbb $0xff81490d,%eax 5: 40 62 rex (bad) 7: 70 97 jo 0xffffffa0 9: 0f 84 bb 01 00 00 je 0x1ca f: 4c 89 74 24 10 mov %r14,0x10(%rsp) 14: 4c 89 6c 24 08 mov %r13,0x8(%rsp) 19: 49 8d 5f 18 lea 0x18(%r15),%rbx 1d: 48 89 d8 mov %rbx,%rax 20: 48 c1 e8 03 shr $0x3,%rax 24: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) * 29: 74 08 je 0x33 <-- trapping instruction 2b: 48 89 df mov %rbx,%rdi 2e: e8 70 4e 8d f7 call 0xf78d4ea3 33: 4c 39 33 cmp %r14,(%rbx) 36: 74 0a je 0x42 38: e8 16 d1 34 f7 call 0xf734d153 3d: e9 .byte 0xe9 3e: 03 .byte 0x3