[ 51.479088][ T499] gre: GRE over IPv4 demultiplexor driver [ 51.531508][ T499] ip6_gre: GRE over IPv6 tunneling driver [ 53.743151][ T521] 8021q: 802.1Q VLAN Support v1.8 [ 55.347480][ C1] [ 55.347610][ C1] ======================================================== [ 55.347849][ C1] WARNING: possible irq lock inversion dependency detected [ 55.348092][ C1] 6.9.0-rc1-virtme #1 Not tainted [ 55.348245][ C1] -------------------------------------------------------- [ 55.348475][ C1] ip6gre_custom_m/538 just changed the state of lock: [ 55.348683][ C1] ffff888002ab2580 (&ndev->lock){++-.}-{2:2}, at: addrconf_rs_timer+0xa9/0x730 [ 55.348969][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 55.349207][ C1] (&p->alloc_lock){+.+.}-{2:2} [ 55.349211][ C1] [ 55.349211][ C1] [ 55.349211][ C1] and interrupts could create inverse lock ordering between them. [ 55.349211][ C1] [ 55.349784][ C1] [ 55.349784][ C1] other info that might help us debug this: [ 55.350011][ C1] Possible interrupt unsafe locking scenario: [ 55.350011][ C1] [ 55.350246][ C1] CPU0 CPU1 [ 55.350419][ C1] ---- ---- [ 55.350575][ C1] lock(&p->alloc_lock); [ 55.350692][ C1] local_irq_disable(); [ 55.350892][ C1] lock(&ndev->lock); [ 55.351091][ C1] lock(&p->alloc_lock); [ 55.351284][ C1] [ 55.351403][ C1] lock(&ndev->lock); [ 55.351523][ C1] [ 55.351523][ C1] *** DEADLOCK *** [ 55.351523][ C1] [ 55.351747][ C1] 4 locks held by ip6gre_custom_m/538: [ 55.351904][ C1] #0: ffff888006216ab8 (&sig->cred_guard_mutex){+.+.}-{3:3}, at: bprm_execve+0x51/0x4f0 [ 55.352195][ C1] #1: ffff888006216b50 (&sig->exec_update_lock){++++}-{3:3}, at: exec_mmap+0x8c/0x670 [ 55.352472][ C1] #2: ffff8880057a42a0 (&mm->mmap_lock){++++}-{3:3}, at: exit_mmap+0x18e/0x7d0 [ 55.352747][ C1] #3: ffffc900001d8d68 ((&ndev->rs_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 55.353024][ C1] [ 55.353024][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 55.353304][ C1] -> (&p->alloc_lock){+.+.}-{2:2} { [ 55.353467][ C1] HARDIRQ-ON-W at: [ 55.353587][ C1] __lock_acquire+0x797/0x1570 [ 55.353795][ C1] lock_acquire.part.0+0xeb/0x330 [ 55.353989][ C1] _raw_spin_lock+0x30/0x40 [ 55.354188][ C1] set_mems_allowed+0x1d/0x210 [ 55.354392][ C1] kernel_init_freeable+0x72/0x310 [ 55.354590][ C1] kernel_init+0x20/0x200 [ 55.354791][ C1] ret_from_fork+0x31/0x70 [ 55.354989][ C1] ret_from_fork_asm+0x1a/0x30 [ 55.355190][ C1] SOFTIRQ-ON-W at: [ 55.355307][ C1] __lock_acquire+0x797/0x1570 [ 55.355509][ C1] lock_acquire.part.0+0xeb/0x330 [ 55.355702][ C1] _raw_spin_lock+0x30/0x40 [ 55.355903][ C1] set_mems_allowed+0x1d/0x210 [ 55.356104][ C1] kernel_init_freeable+0x72/0x310 [ 55.356298][ C1] kernel_init+0x20/0x200 [ 55.356498][ C1] ret_from_fork+0x31/0x70 [ 55.356709][ C1] ret_from_fork_asm+0x1a/0x30 [ 55.356906][ C1] INITIAL USE at: [ 55.357023][ C1] __lock_acquire+0x797/0x1570 [ 55.357229][ C1] lock_acquire.part.0+0xeb/0x330 [ 55.357430][ C1] _raw_spin_lock+0x30/0x40 [ 55.357629][ C1] set_mems_allowed+0x1d/0x210 [ 55.357830][ C1] kernel_init_freeable+0x72/0x310 [ 55.358027][ C1] kernel_init+0x20/0x200 [ 55.358225][ C1] ret_from_fork+0x31/0x70 [ 55.358421][ C1] ret_from_fork_asm+0x1a/0x30 [ 55.358675][ C1] } [ 55.358758][ C1] ... key at: [] __key.387+0x0/0x40 [ 55.359004][ C1] ... acquired at: [ 55.359131][ C1] __lock_acquire+0xaf0/0x1570 [ 55.359294][ C1] lock_acquire.part.0+0xeb/0x330 [ 55.359455][ C1] _raw_spin_lock+0x30/0x40 [ 55.359621][ C1] __get_task_comm+0x27/0x70 [ 55.359777][ C1] ref_tracker_alloc+0x2ee/0x490 [ 55.359952][ C1] netdev_get_by_index+0x5e/0x80 [ 55.360125][ C1] fib6_nh_init+0x3d8/0x15b0 [ 55.360299][ C1] ip6_route_info_create+0xf18/0x17d0 [ 55.360472][ C1] addrconf_f6i_alloc+0x265/0x560 [ 55.360652][ C1] __ipv6_dev_ac_inc+0x25f/0xb10 [ 55.360826][ C1] addrconf_join_anycast+0x1c0/0x220 [ 55.360995][ C1] __ipv6_ifa_notify+0x6b3/0xaf0 [ 55.361163][ C1] addrconf_dad_completed+0x12b/0xe20 [ 55.361334][ C1] addrconf_dad_work+0x38c/0xab0 [ 55.361504][ C1] process_one_work+0xe2c/0x1730 [ 55.361683][ C1] worker_thread+0x587/0xd30 [ 55.361846][ C1] kthread+0x28a/0x350 [ 55.361968][ C1] ret_from_fork+0x31/0x70 [ 55.362129][ C1] ret_from_fork_asm+0x1a/0x30 [ 55.362289][ C1] [ 55.362373][ C1] -> (&ndev->lock){++-.}-{2:2} { [ 55.362542][ C1] HARDIRQ-ON-W at: [ 55.362691][ C1] __lock_acquire+0x797/0x1570 [ 55.362894][ C1] lock_acquire.part.0+0xeb/0x330 [ 55.363093][ C1] _raw_write_lock_bh+0x38/0x50 [ 55.363290][ C1] addrconf_permanent_addr+0x6e/0x670 [ 55.363486][ C1] addrconf_notify+0x749/0xd60 [ 55.363687][ C1] notifier_call_chain+0xcd/0x150 [ 55.363881][ C1] __dev_notify_flags+0xe6/0x250 [ 55.364075][ C1] dev_change_flags+0xec/0x160 [ 55.364278][ C1] do_setlink+0x7d6/0x21e0 [ 55.364476][ C1] __rtnl_newlink+0xaa7/0xd80 [ 55.364676][ C1] rtnl_newlink+0x63/0xa0 [ 55.364871][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 55.365067][ C1] netlink_rcv_skb+0x130/0x360 [ 55.365276][ C1] netlink_unicast+0x449/0x710 [ 55.365476][ C1] netlink_sendmsg+0x723/0xbe0 [ 55.365678][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 55.365877][ C1] ___sys_sendmsg+0xee/0x170 [ 55.366074][ C1] __sys_sendmsg+0xcd/0x170 [ 55.366271][ C1] do_syscall_64+0xc6/0x1e0 [ 55.366467][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 55.366702][ C1] HARDIRQ-ON-R at: [ 55.366818][ C1] __lock_acquire+0x797/0x1570 [ 55.367016][ C1] lock_acquire.part.0+0xeb/0x330 [ 55.367213][ C1] _raw_read_lock_bh+0x44/0x80 [ 55.367409][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 55.367604][ C1] inet6_fill_link_af+0x5e/0xe0 [ 55.367799][ C1] rtnl_fill_ifinfo+0x1612/0x29e0 [ 55.367995][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 55.368195][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 55.368430][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 55.368626][ C1] register_netdevice+0x1177/0x1690 [ 55.368848][ C1] register_netdev+0x20/0x40 [ 55.369046][ C1] sit_init_net+0x250/0x4f0 [ 55.369249][ C1] ops_init+0x9b/0x560 [ 55.369412][ C1] register_pernet_operations+0x2db/0x710 [ 55.369648][ C1] register_pernet_device+0x2a/0x60 [ 55.369844][ C1] sit_init+0x23/0xe0 [ 55.370002][ C1] do_one_initcall+0x8d/0x1e0 [ 55.370199][ C1] do_initcalls+0x1b2/0x3e0 [ 55.370399][ C1] kernel_init_freeable+0x232/0x310 [ 55.370595][ C1] kernel_init+0x20/0x200 [ 55.370792][ C1] ret_from_fork+0x31/0x70 [ 55.370991][ C1] ret_from_fork_asm+0x1a/0x30 [ 55.371186][ C1] IN-SOFTIRQ-W at: [ 55.371310][ C1] __lock_acquire+0x797/0x1570 [ 55.371506][ C1] lock_acquire.part.0+0xeb/0x330 [ 55.371702][ C1] _raw_write_lock+0x30/0x40 [ 55.371901][ C1] addrconf_rs_timer+0xa9/0x730 [ 55.372100][ C1] call_timer_fn+0x13b/0x230 [ 55.372297][ C1] __run_timers+0x545/0x810 [ 55.372493][ C1] run_timer_softirq+0xe8/0x1b0 [ 55.372686][ C1] __do_softirq+0x1f8/0x5df [ 55.372880][ C1] irq_exit_rcu+0x97/0xc0 [ 55.373086][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 55.373325][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 55.373558][ C1] unwind_next_frame+0x1309/0x1d00 [ 55.373758][ C1] arch_stack_walk+0x8c/0xf0 [ 55.373957][ C1] stack_trace_save+0x94/0xd0 [ 55.374155][ C1] kasan_save_stack+0x24/0x50 [ 55.374354][ C1] __kasan_record_aux_stack+0x8e/0xa0 [ 55.374556][ C1] __call_rcu_common.constprop.0+0x9e/0x830 [ 55.374792][ C1] kmem_cache_free+0x1ac/0x220 [ 55.374993][ C1] __put_anon_vma+0xf4/0x320 [ 55.375191][ C1] unlink_anon_vmas+0x4ef/0x920 [ 55.375388][ C1] free_pgtables+0x290/0x7b0 [ 55.375590][ C1] exit_mmap+0x2d4/0x7d0 [ 55.375790][ C1] __mmput+0x76/0x3b0 [ 55.375947][ C1] exec_mmap+0x2fe/0x670 [ 55.376143][ C1] begin_new_exec+0x64e/0x13a0 [ 55.376338][ C1] load_elf_binary+0x67c/0x2840 [ 55.376538][ C1] search_binary_handler+0x152/0x550 [ 55.376744][ C1] exec_binprm+0x120/0x400 [ 55.376938][ C1] bprm_execve+0xe9/0x4f0 [ 55.377139][ C1] do_execveat_common.isra.0+0x4a6/0x6a0 [ 55.377372][ C1] __x64_sys_execve+0x8c/0xb0 [ 55.377567][ C1] do_syscall_64+0xc6/0x1e0 [ 55.377763][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 55.377998][ C1] INITIAL USE at: [ 55.378116][ C1] __lock_acquire+0x797/0x1570 [ 55.378318][ C1] lock_acquire.part.0+0xeb/0x330 [ 55.378524][ C1] _raw_write_lock_bh+0x38/0x50 [ 55.378734][ C1] addrconf_permanent_addr+0x6e/0x670 [ 55.378930][ C1] addrconf_notify+0x749/0xd60 [ 55.379127][ C1] notifier_call_chain+0xcd/0x150 [ 55.379328][ C1] __dev_notify_flags+0xe6/0x250 [ 55.379525][ C1] dev_change_flags+0xec/0x160 [ 55.379722][ C1] do_setlink+0x7d6/0x21e0 [ 55.379922][ C1] __rtnl_newlink+0xaa7/0xd80 [ 55.380124][ C1] rtnl_newlink+0x63/0xa0 [ 55.380320][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 55.380528][ C1] netlink_rcv_skb+0x130/0x360 [ 55.380727][ C1] netlink_unicast+0x449/0x710 [ 55.380926][ C1] netlink_sendmsg+0x723/0xbe0 [ 55.381123][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 55.381317][ C1] ___sys_sendmsg+0xee/0x170 [ 55.381514][ C1] __sys_sendmsg+0xcd/0x170 [ 55.381708][ C1] do_syscall_64+0xc6/0x1e0 [ 55.381912][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 55.382146][ C1] INITIAL READ USE at: [ 55.382268][ C1] __lock_acquire+0x797/0x1570 [ 55.382468][ C1] lock_acquire.part.0+0xeb/0x330 [ 55.382662][ C1] _raw_read_lock_bh+0x44/0x80 [ 55.382857][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 55.383092][ C1] inet6_fill_link_af+0x5e/0xe0 [ 55.383292][ C1] rtnl_fill_ifinfo+0x1612/0x29e0 [ 55.383503][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 55.383753][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 55.383992][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 55.384189][ C1] register_netdevice+0x1177/0x1690 [ 55.384423][ C1] register_netdev+0x20/0x40 [ 55.384636][ C1] sit_init_net+0x250/0x4f0 [ 55.384835][ C1] ops_init+0x9b/0x560 [ 55.385028][ C1] register_pernet_operations+0x2db/0x710 [ 55.385263][ C1] register_pernet_device+0x2a/0x60 [ 55.385506][ C1] sit_init+0x23/0xe0 [ 55.385700][ C1] do_one_initcall+0x8d/0x1e0 [ 55.385897][ C1] do_initcalls+0x1b2/0x3e0 [ 55.386095][ C1] kernel_init_freeable+0x232/0x310 [ 55.386324][ C1] kernel_init+0x20/0x200 [ 55.386537][ C1] ret_from_fork+0x31/0x70 [ 55.386834][ C1] ret_from_fork_asm+0x1a/0x30 [ 55.387036][ C1] } [ 55.387115][ C1] ... key at: [] __key.37+0x0/0x40 [ 55.387467][ C1] ... acquired at: [ 55.387591][ C1] mark_lock+0x28d/0x3e0 [ 55.387750][ C1] mark_usage+0xd9/0x2a0 [ 55.387903][ C1] __lock_acquire+0x797/0x1570 [ 55.388057][ C1] lock_acquire.part.0+0xeb/0x330 [ 55.388213][ C1] _raw_write_lock+0x30/0x40 [ 55.388369][ C1] addrconf_rs_timer+0xa9/0x730 [ 55.388556][ C1] call_timer_fn+0x13b/0x230 [ 55.388749][ C1] __run_timers+0x545/0x810 [ 55.388909][ C1] run_timer_softirq+0xe8/0x1b0 [ 55.389062][ C1] __do_softirq+0x1f8/0x5df [ 55.389215][ C1] irq_exit_rcu+0x97/0xc0 [ 55.389371][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 55.389669][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 55.389864][ C1] unwind_next_frame+0x1309/0x1d00 [ 55.390018][ C1] arch_stack_walk+0x8c/0xf0 [ 55.390172][ C1] stack_trace_save+0x94/0xd0 [ 55.390426][ C1] kasan_save_stack+0x24/0x50 [ 55.390596][ C1] __kasan_record_aux_stack+0x8e/0xa0 [ 55.390752][ C1] __call_rcu_common.constprop.0+0x9e/0x830 [ 55.390947][ C1] kmem_cache_free+0x1ac/0x220 [ 55.391103][ C1] __put_anon_vma+0xf4/0x320 [ 55.391257][ C1] unlink_anon_vmas+0x4ef/0x920 [ 55.391410][ C1] free_pgtables+0x290/0x7b0 [ 55.391571][ C1] exit_mmap+0x2d4/0x7d0 [ 55.391726][ C1] __mmput+0x76/0x3b0 [ 55.391848][ C1] exec_mmap+0x2fe/0x670 [ 55.392001][ C1] begin_new_exec+0x64e/0x13a0 [ 55.392153][ C1] load_elf_binary+0x67c/0x2840 [ 55.392308][ C1] search_binary_handler+0x152/0x550 [ 55.392465][ C1] exec_binprm+0x120/0x400 [ 55.392625][ C1] bprm_execve+0xe9/0x4f0 [ 55.392781][ C1] do_execveat_common.isra.0+0x4a6/0x6a0 [ 55.392974][ C1] __x64_sys_execve+0x8c/0xb0 [ 55.393224][ C1] do_syscall_64+0xc6/0x1e0 [ 55.393384][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 55.393587][ C1] [ 55.393665][ C1] [ 55.393665][ C1] stack backtrace: [ 55.393949][ C1] CPU: 1 PID: 538 Comm: ip6gre_custom_m Not tainted 6.9.0-rc1-virtme #1 [ 55.394183][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 55.394537][ C1] Call Trace: [ 55.394755][ C1] [ 55.394840][ C1] dump_stack_lvl+0x82/0xd0 [ 55.395012][ C1] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 55.395206][ C1] ? kernel_text_address+0xce/0xe0 [ 55.395485][ C1] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 55.395684][ C1] ? __pfx_usage_skip+0x10/0x10 [ 55.395840][ C1] ? __pfx_usage_match+0x10/0x10 [ 55.395996][ C1] ? arch_stack_walk+0xa2/0xf0 [ 55.396155][ C1] mark_lock_irq+0x4cd/0xa10 [ 55.396313][ C1] ? __pfx_mark_lock_irq+0x10/0x10 [ 55.396482][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 55.396645][ C1] ? save_trace+0x8f/0x5b0 [ 55.396817][ C1] mark_lock+0x28d/0x3e0 [ 55.396937][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 55.397093][ C1] mark_usage+0xd9/0x2a0 [ 55.397212][ C1] __lock_acquire+0x797/0x1570 [ 55.397370][ C1] ? __pfx_validate_chain+0x10/0x10 [ 55.397544][ C1] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 55.397700][ C1] lock_acquire.part.0+0xeb/0x330 [ 55.397857][ C1] ? addrconf_rs_timer+0xa9/0x730 [ 55.398013][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 55.398173][ C1] ? trace_lock_acquire+0x135/0x1c0 [ 55.398439][ C1] ? addrconf_rs_timer+0xa9/0x730 [ 55.398605][ C1] ? lock_acquire+0x32/0xc0 [ 55.398778][ C1] ? addrconf_rs_timer+0xa9/0x730 [ 55.398934][ C1] _raw_write_lock+0x30/0x40 [ 55.399188][ C1] ? addrconf_rs_timer+0xa9/0x730 [ 55.399343][ C1] addrconf_rs_timer+0xa9/0x730 [ 55.399511][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 55.399669][ C1] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 55.399922][ C1] ? call_timer_fn+0xe8/0x230 [ 55.400080][ C1] ? lock_acquire+0x32/0xc0 [ 55.400237][ C1] ? call_timer_fn+0xe8/0x230 [ 55.400398][ C1] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 55.400747][ C1] call_timer_fn+0x13b/0x230 [ 55.400903][ C1] ? call_timer_fn+0xe8/0x230 [ 55.401057][ C1] ? call_timer_fn+0xe8/0x230 [ 55.401217][ C1] ? __pfx_call_timer_fn+0x10/0x10 [ 55.401381][ C1] ? hlock_class+0x4e/0x130 [ 55.401638][ C1] ? mark_held_locks+0x9e/0xe0 [ 55.401797][ C1] __run_timers+0x545/0x810 [ 55.401955][ C1] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 55.402112][ C1] ? __pfx___run_timers+0x10/0x10 [ 55.402369][ C1] ? do_raw_spin_lock+0x131/0x270 [ 55.402524][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 55.402679][ C1] ? lock_acquire+0x32/0xc0 [ 55.402835][ C1] ? run_timer_softirq+0xe0/0x1b0 [ 55.403098][ C1] run_timer_softirq+0xe8/0x1b0 [ 55.403255][ C1] __do_softirq+0x1f8/0x5df [ 55.403412][ C1] irq_exit_rcu+0x97/0xc0 [ 55.403536][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 55.403694][ C1] [ 55.403882][ C1] [ 55.403962][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 55.404158][ C1] RIP: 0010:unwind_next_frame+0x1309/0x1d00 [ 55.404360][ C1] Code: b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e b2 06 00 00 41 3b 5d 00 0f 84 9b 01 00 00 <65> ff 0d 98 64 2f 4e 0f 94 c0 0f 84 00 03 00 00 b8 01 00 00 00 e9 [ 55.405029][ C1] RSP: 0018:ffffc9000060f368 EFLAGS: 00000287 [ 55.405228][ C1] RAX: ffffc90000610001 RBX: ffffc9000060fea0 RCX: ffffc90000610001 [ 55.405574][ C1] RDX: ffffc9000060fea8 RSI: 0000000000000001 RDI: ffffc9000060f478 [ 55.405803][ C1] RBP: ffffc90000608000 R08: ffffc9000060f4a8 R09: 1ffff920000c1e76 [ 55.406039][ C1] R10: ffffc9000060f468 R11: ffffc9000060f4a9 R12: 1ffff920000c1e76 [ 55.406273][ C1] R13: ffffc9000060f468 R14: ffffffffb6598ede R15: ffffc9000060fe98 [ 55.406509][ C1] ? unwind_next_frame+0x1478/0x1d00 [ 55.406663][ C1] ? bprm_execve+0xe9/0x4f0 [ 55.406818][ C1] ? __pfx_unwind_next_frame+0x10/0x10 [ 55.406972][ C1] ? bprm_execve+0xe9/0x4f0 [ 55.407131][ C1] ? kernel_text_address+0x17/0xe0 [ 55.407287][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 55.407489][ C1] arch_stack_walk+0x8c/0xf0 [ 55.407645][ C1] ? do_execveat_common.isra.0+0x4a6/0x6a0 [ 55.407839][ C1] stack_trace_save+0x94/0xd0 [ 55.407992][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 55.408244][ C1] ? __pfx_validate_chain+0x10/0x10 [ 55.408398][ C1] ? hlock_class+0x4e/0x130 [ 55.408554][ C1] ? mark_lock+0x38/0x3e0 [ 55.408683][ C1] kasan_save_stack+0x24/0x50 [ 55.408953][ C1] ? kasan_save_stack+0x24/0x50 [ 55.409107][ C1] ? __kasan_record_aux_stack+0x8e/0xa0 [ 55.409269][ C1] ? __call_rcu_common.constprop.0+0x9e/0x830 [ 55.409462][ C1] ? kmem_cache_free+0x1ac/0x220 [ 55.409714][ C1] ? __put_anon_vma+0xf4/0x320 [ 55.409870][ C1] ? unlink_anon_vmas+0x4ef/0x920 [ 55.410028][ C1] ? free_pgtables+0x290/0x7b0 [ 55.410181][ C1] ? exit_mmap+0x2d4/0x7d0 [ 55.410336][ C1] ? __mmput+0x76/0x3b0 [ 55.410572][ C1] ? exec_mmap+0x2fe/0x670 [ 55.410730][ C1] ? begin_new_exec+0x64e/0x13a0 [ 55.410885][ C1] ? load_elf_binary+0x67c/0x2840 [ 55.411039][ C1] ? search_binary_handler+0x152/0x550 [ 55.411192][ C1] ? exec_binprm+0x120/0x400 [ 55.411345][ C1] ? bprm_execve+0xe9/0x4f0 [ 55.411498][ C1] ? find_held_lock+0x2c/0x110 [ 55.411651][ C1] ? __lock_release+0x103/0x460 [ 55.411813][ C1] ? __virt_addr_valid+0x222/0x420 [ 55.411970][ C1] ? __pfx___lock_release+0x10/0x10 [ 55.412123][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 55.412278][ C1] ? __virt_addr_valid+0x222/0x420 [ 55.412433][ C1] ? __virt_addr_valid+0x227/0x420 [ 55.412683][ C1] ? __pfx_free_object_rcu+0x10/0x10 [ 55.412837][ C1] ? kasan_addr_to_slab+0x4e/0x90 [ 55.412993][ C1] __kasan_record_aux_stack+0x8e/0xa0 [ 55.413151][ C1] ? __pfx_free_object_rcu+0x10/0x10 [ 55.413406][ C1] __call_rcu_common.constprop.0+0x9e/0x830 [ 55.413597][ C1] kmem_cache_free+0x1ac/0x220 [ 55.413750][ C1] ? __put_anon_vma+0xf4/0x320 [ 55.413904][ C1] __put_anon_vma+0xf4/0x320 [ 55.414157][ C1] unlink_anon_vmas+0x4ef/0x920 [ 55.414310][ C1] ? __up_write+0x18f/0x520 [ 55.414465][ C1] free_pgtables+0x290/0x7b0 [ 55.414625][ C1] exit_mmap+0x2d4/0x7d0 [ 55.414842][ C1] ? __pfx_exit_mmap+0x10/0x10 [ 55.414997][ C1] ? __mutex_unlock_slowpath+0x145/0x3b0 [ 55.415157][ C1] __mmput+0x76/0x3b0 [ 55.415273][ C1] exec_mmap+0x2fe/0x670 [ 55.415391][ C1] begin_new_exec+0x64e/0x13a0 [ 55.415643][ C1] load_elf_binary+0x67c/0x2840 [ 55.415798][ C1] ? find_held_lock+0x2c/0x110 [ 55.415964][ C1] ? __lock_release+0x103/0x460 [ 55.416131][ C1] ? search_binary_handler+0x134/0x550 [ 55.416388][ C1] ? __pfx___lock_release+0x10/0x10 [ 55.416541][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 55.416696][ C1] ? __pfx_load_elf_binary+0x10/0x10 [ 55.416850][ C1] ? search_binary_handler+0x134/0x550 [ 55.417012][ C1] search_binary_handler+0x152/0x550 [ 55.417166][ C1] ? __pfx_search_binary_handler+0x10/0x10 [ 55.417369][ C1] ? __task_pid_nr_ns+0x11f/0x410 [ 55.417529][ C1] ? exec_binprm+0x100/0x400 [ 55.417682][ C1] exec_binprm+0x120/0x400 [ 55.417836][ C1] bprm_execve+0xe9/0x4f0 [ 55.417952][ C1] do_execveat_common.isra.0+0x4a6/0x6a0 [ 55.418105][ C1] ? getname_flags+0xbd/0x3d0 [ 55.418262][ C1] __x64_sys_execve+0x8c/0xb0 [ 55.418423][ C1] do_syscall_64+0xc6/0x1e0 [ 55.418578][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 55.418784][ C1] RIP: 0033:0x7f086641940b [ 55.418966][ C1] Code: Unable to access opcode bytes at 0x7f08664193e1. [ 55.419273][ C1] RSP: 002b:00007ffdf6a2ca28 EFLAGS: 00000246 ORIG_RAX: 000000000000003b [ 55.419508][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f086641940b [ 55.419744][ C1] RDX: 000055a8a67c6ee0 RSI: 000055a8a6911320 RDI: 000055a8a6912d10 [ 55.420078][ C1] RBP: 000055a8a6912d10 R08: 000055a8a6912c80 R09: 0000000000000000 [ 55.420307][ C1] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff [ 55.420539][ C1] R13: 000055a8a6911320 R14: 000055a8a67c6ee0 R15: 000055a8a6910430 [ 55.420878][ C1] [ 57.296875][ T558] GACT probability NOT on WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr