[ 28.255640][ T237] ip (237) used greatest stack depth: 23664 bytes left [ 28.695070][ T246] ip (246) used greatest stack depth: 23584 bytes left [ 31.471872][ T280] 8021q: 802.1Q VLAN Support v1.8 [ 35.113619][ T314] br0: port 1(veth1) entered blocking state [ 35.114016][ T314] br0: port 1(veth1) entered disabled state [ 35.114342][ T314] veth1: entered allmulticast mode [ 35.116612][ T314] veth1: entered promiscuous mode [ 35.239325][ T43] br0: port 1(veth1) entered blocking state [ 35.239844][ T43] br0: port 1(veth1) entered forwarding state [ 35.472656][ T317] br0: port 2(veth2) entered blocking state [ 35.472978][ T317] br0: port 2(veth2) entered disabled state [ 35.473479][ T317] veth2: entered allmulticast mode [ 35.475414][ T317] veth2: entered promiscuous mode [ 35.588308][ T63] br0: port 2(veth2) entered blocking state [ 35.588622][ T63] br0: port 2(veth2) entered forwarding state [ 50.306897][ C1] [ 50.307022][ C1] ======================================================== [ 50.307317][ C1] WARNING: possible irq lock inversion dependency detected [ 50.307585][ C1] 6.9.0-rc1-virtme #1 Not tainted [ 50.307780][ C1] -------------------------------------------------------- [ 50.308110][ C1] sed/509 just changed the state of lock: [ 50.308287][ C1] ffff888008882c38 (&br->lock){+.-.}-{2:2}, at: br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 50.308697][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 50.308972][ C1] (&p->alloc_lock){+.+.}-{2:2} [ 50.308977][ C1] [ 50.308977][ C1] [ 50.308977][ C1] and interrupts could create inverse lock ordering between them. [ 50.308977][ C1] [ 50.309618][ C1] [ 50.309618][ C1] other info that might help us debug this: [ 50.309867][ C1] Chain exists of: [ 50.309867][ C1] &br->lock --> lweventlist_lock --> &p->alloc_lock [ 50.309867][ C1] [ 50.310271][ C1] Possible interrupt unsafe locking scenario: [ 50.310271][ C1] [ 50.310539][ C1] CPU0 CPU1 [ 50.310780][ C1] ---- ---- [ 50.311049][ C1] lock(&p->alloc_lock); [ 50.311260][ C1] local_irq_disable(); [ 50.311599][ C1] lock(&br->lock); [ 50.311934][ C1] lock(lweventlist_lock); [ 50.312284][ C1] [ 50.312494][ C1] lock(&br->lock); [ 50.312687][ C1] [ 50.312687][ C1] *** DEADLOCK *** [ 50.312687][ C1] [ 50.312937][ C1] 2 locks held by sed/509: [ 50.313104][ C1] #0: ffffffff99321c90 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce+0x85/0x1e0 [ 50.313564][ C1] #1: ffffc900001d8d68 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 50.313903][ C1] [ 50.313903][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 50.314294][ C1] -> (&p->alloc_lock){+.+.}-{2:2} { [ 50.314599][ C1] HARDIRQ-ON-W at: [ 50.314732][ C1] __lock_acquire+0x797/0x1570 [ 50.314952][ C1] lock_acquire.part.0+0xeb/0x330 [ 50.315278][ C1] _raw_spin_lock+0x30/0x40 [ 50.315487][ C1] set_mems_allowed+0x1d/0x210 [ 50.315695][ C1] kernel_init_freeable+0x72/0x310 [ 50.315904][ C1] kernel_init+0x20/0x200 [ 50.316244][ C1] ret_from_fork+0x31/0x70 [ 50.316455][ C1] ret_from_fork_asm+0x1a/0x30 [ 50.316667][ C1] SOFTIRQ-ON-W at: [ 50.316796][ C1] __lock_acquire+0x797/0x1570 [ 50.317009][ C1] lock_acquire.part.0+0xeb/0x330 [ 50.317344][ C1] _raw_spin_lock+0x30/0x40 [ 50.317555][ C1] set_mems_allowed+0x1d/0x210 [ 50.317767][ C1] kernel_init_freeable+0x72/0x310 [ 50.317973][ C1] kernel_init+0x20/0x200 [ 50.318181][ C1] ret_from_fork+0x31/0x70 [ 50.318497][ C1] ret_from_fork_asm+0x1a/0x30 [ 50.318762][ C1] INITIAL USE at: [ 50.318935][ C1] __lock_acquire+0x797/0x1570 [ 50.319287][ C1] lock_acquire.part.0+0xeb/0x330 [ 50.320031][ C1] _raw_spin_lock+0x30/0x40 [ 50.320352][ C1] set_mems_allowed+0x1d/0x210 [ 50.320559][ C1] kernel_init_freeable+0x72/0x310 [ 50.320777][ C1] kernel_init+0x20/0x200 [ 50.320986][ C1] ret_from_fork+0x31/0x70 [ 50.321215][ C1] ret_from_fork_asm+0x1a/0x30 [ 50.321424][ C1] } [ 50.321516][ C1] ... key at: [] __key.387+0x0/0x40 [ 50.321886][ C1] ... acquired at: [ 50.322022][ C1] __lock_acquire+0xaf0/0x1570 [ 50.322192][ C1] lock_acquire.part.0+0xeb/0x330 [ 50.322356][ C1] _raw_spin_lock+0x30/0x40 [ 50.322634][ C1] __get_task_comm+0x27/0x70 [ 50.322800][ C1] ref_tracker_alloc+0x2ee/0x490 [ 50.322968][ C1] linkwatch_fire_event+0x196/0x200 [ 50.323133][ C1] veth_newlink+0x367/0x830 [veth] [ 50.323306][ C1] rtnl_newlink_create+0x341/0x850 [ 50.323470][ C1] __rtnl_newlink+0xac9/0xd80 [ 50.323754][ C1] rtnl_newlink+0x63/0xa0 [ 50.323921][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 50.324086][ C1] netlink_rcv_skb+0x130/0x360 [ 50.324254][ C1] netlink_unicast+0x449/0x710 [ 50.324417][ C1] netlink_sendmsg+0x723/0xbe0 [ 50.324694][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 50.324863][ C1] ___sys_sendmsg+0xee/0x170 [ 50.325033][ C1] __sys_sendmsg+0xcd/0x170 [ 50.325204][ C1] do_syscall_64+0xc6/0x1e0 [ 50.325374][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 50.325691][ C1] [ 50.325784][ C1] -> (lweventlist_lock){....}-{2:2} { [ 50.325957][ C1] INITIAL USE at: [ 50.326082][ C1] __lock_acquire+0x797/0x1570 [ 50.326402][ C1] lock_acquire.part.0+0xeb/0x330 [ 50.326623][ C1] _raw_spin_lock_irqsave+0x3f/0x60 [ 50.326977][ C1] linkwatch_sync_dev+0x29/0x1f0 [ 50.327218][ C1] rtnl_getlink+0x4c9/0x970 [ 50.327540][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 50.327744][ C1] netlink_rcv_skb+0x130/0x360 [ 50.327953][ C1] netlink_unicast+0x449/0x710 [ 50.328163][ C1] netlink_sendmsg+0x723/0xbe0 [ 50.328491][ C1] __sys_sendto+0x37d/0x410 [ 50.328706][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 50.328908][ C1] do_syscall_64+0xc6/0x1e0 [ 50.329240][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 50.329488][ C1] } [ 50.329573][ C1] ... key at: [] lweventlist_lock+0x18/0x60 [ 50.329953][ C1] ... acquired at: [ 50.330080][ C1] __lock_acquire+0xaf0/0x1570 [ 50.330254][ C1] lock_acquire.part.0+0xeb/0x330 [ 50.330427][ C1] _raw_spin_lock_irqsave+0x3f/0x60 [ 50.330710][ C1] linkwatch_fire_event+0x74/0x200 [ 50.330878][ C1] br_stp_change_bridge_id+0x25f/0x360 [bridge] [ 50.331144][ C1] br_set_mac_address+0x1f3/0x260 [bridge] [ 50.331511][ C1] dev_set_mac_address+0x28a/0x410 [ 50.331787][ C1] dev_set_mac_address_user+0x31/0x50 [ 50.332075][ C1] do_setlink+0x17b4/0x21e0 [ 50.332356][ C1] rtnl_setlink+0x1f7/0x310 [ 50.332520][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 50.332697][ C1] netlink_rcv_skb+0x130/0x360 [ 50.332977][ C1] netlink_unicast+0x449/0x710 [ 50.333251][ C1] netlink_sendmsg+0x723/0xbe0 [ 50.333419][ C1] __sys_sendto+0x37d/0x410 [ 50.333586][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 50.333752][ C1] do_syscall_64+0xc6/0x1e0 [ 50.334038][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 50.334252][ C1] [ 50.334348][ C1] -> (&br->lock){+.-.}-{2:2} { [ 50.334520][ C1] HARDIRQ-ON-W at: [ 50.334653][ C1] __lock_acquire+0x797/0x1570 [ 50.334913][ C1] lock_acquire.part.0+0xeb/0x330 [ 50.335122][ C1] _raw_spin_lock_bh+0x38/0x50 [ 50.335331][ C1] br_set_mac_address+0xd2/0x260 [bridge] [ 50.335729][ C1] dev_set_mac_address+0x28a/0x410 [ 50.335934][ C1] dev_set_mac_address_user+0x31/0x50 [ 50.336263][ C1] do_setlink+0x17b4/0x21e0 [ 50.336472][ C1] rtnl_setlink+0x1f7/0x310 [ 50.336675][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 50.336888][ C1] netlink_rcv_skb+0x130/0x360 [ 50.337233][ C1] netlink_unicast+0x449/0x710 [ 50.337551][ C1] netlink_sendmsg+0x723/0xbe0 [ 50.337866][ C1] __sys_sendto+0x37d/0x410 [ 50.338073][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 50.338600][ C1] do_syscall_64+0xc6/0x1e0 [ 50.338968][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 50.339604][ C1] IN-SOFTIRQ-W at: [ 50.339819][ C1] __lock_acquire+0x797/0x1570 [ 50.340391][ C1] lock_acquire.part.0+0xeb/0x330 [ 50.340733][ C1] _raw_spin_lock+0x30/0x40 [ 50.341061][ C1] br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 50.341361][ C1] call_timer_fn+0x13b/0x230 [ 50.341578][ C1] __run_timers+0x545/0x810 [ 50.341910][ C1] run_timer_softirq+0xe8/0x1b0 [ 50.342232][ C1] __do_softirq+0x1f8/0x5df [ 50.342445][ C1] irq_exit_rcu+0x97/0xc0 [ 50.342650][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 50.343100][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 50.343500][ C1] ftrace_graph_ret_addr+0x6/0x140 [ 50.343778][ C1] unwind_next_frame+0x8fe/0x1d00 [ 50.344103][ C1] arch_stack_walk+0x8c/0xf0 [ 50.344311][ C1] stack_trace_save+0x94/0xd0 [ 50.344528][ C1] set_track_prepare+0x31/0x70 [ 50.344864][ C1] free_to_partial_list+0x1db/0x340 [ 50.345080][ C1] qlist_free_all+0x4c/0x140 [ 50.345400][ C1] kasan_quarantine_reduce+0x192/0x1e0 [ 50.345614][ C1] __kasan_slab_alloc+0x49/0x70 [ 50.345940][ C1] __kmalloc+0x171/0x3c0 [ 50.346149][ C1] p9_fcall_init+0x7d/0x1b0 [ 50.346364][ C1] p9_tag_alloc+0x138/0x700 [ 50.346577][ C1] p9_client_prepare_req+0xe6/0x290 [ 50.346780][ C1] p9_client_rpc+0x18d/0x930 [ 50.346989][ C1] p9_client_readlink+0x71/0x120 [ 50.347260][ C1] v9fs_vfs_get_link_dotl+0x94/0x1b0 [ 50.347469][ C1] pick_link+0xac6/0x1160 [ 50.347686][ C1] step_into+0x84e/0xfa0 [ 50.347892][ C1] link_path_walk.part.0.constprop.0+0x56a/0x9f0 [ 50.348260][ C1] path_openat+0x1be/0x440 [ 50.348470][ C1] do_filp_open+0x1b3/0x3e0 [ 50.348674][ C1] do_sys_openat2+0x122/0x160 [ 50.348994][ C1] __x64_sys_openat+0x123/0x1e0 [ 50.349200][ C1] do_syscall_64+0xc6/0x1e0 [ 50.349408][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 50.349659][ C1] INITIAL USE at: [ 50.349910][ C1] __lock_acquire+0x797/0x1570 [ 50.350124][ C1] lock_acquire.part.0+0xeb/0x330 [ 50.350335][ C1] _raw_spin_lock_bh+0x38/0x50 [ 50.350542][ C1] br_set_mac_address+0xd2/0x260 [bridge] [ 50.350831][ C1] dev_set_mac_address+0x28a/0x410 [ 50.351090][ C1] dev_set_mac_address_user+0x31/0x50 [ 50.351296][ C1] do_setlink+0x17b4/0x21e0 [ 50.351618][ C1] rtnl_setlink+0x1f7/0x310 [ 50.351828][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 50.352035][ C1] netlink_rcv_skb+0x130/0x360 [ 50.352354][ C1] netlink_unicast+0x449/0x710 [ 50.352557][ C1] netlink_sendmsg+0x723/0xbe0 [ 50.352771][ C1] __sys_sendto+0x37d/0x410 [ 50.352984][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 50.353195][ C1] do_syscall_64+0xc6/0x1e0 [ 50.353399][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 50.353643][ C1] } [ 50.353849][ C1] ... key at: [] __key.6+0x0/0xfffffffffffe5ac0 [bridge] [ 50.354173][ C1] ... acquired at: [ 50.354295][ C1] mark_lock+0x28d/0x3e0 [ 50.354461][ C1] mark_usage+0xd9/0x2a0 [ 50.354632][ C1] __lock_acquire+0x797/0x1570 [ 50.354801][ C1] lock_acquire.part.0+0xeb/0x330 [ 50.354968][ C1] _raw_spin_lock+0x30/0x40 [ 50.355133][ C1] br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 50.355389][ C1] call_timer_fn+0x13b/0x230 [ 50.355557][ C1] __run_timers+0x545/0x810 [ 50.355724][ C1] run_timer_softirq+0xe8/0x1b0 [ 50.355998][ C1] __do_softirq+0x1f8/0x5df [ 50.356162][ C1] irq_exit_rcu+0x97/0xc0 [ 50.356330][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 50.356646][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 50.356853][ C1] ftrace_graph_ret_addr+0x6/0x140 [ 50.357017][ C1] unwind_next_frame+0x8fe/0x1d00 [ 50.357196][ C1] arch_stack_walk+0x8c/0xf0 [ 50.357364][ C1] stack_trace_save+0x94/0xd0 [ 50.357535][ C1] set_track_prepare+0x31/0x70 [ 50.357831][ C1] free_to_partial_list+0x1db/0x340 [ 50.357997][ C1] qlist_free_all+0x4c/0x140 [ 50.358168][ C1] kasan_quarantine_reduce+0x192/0x1e0 [ 50.358330][ C1] __kasan_slab_alloc+0x49/0x70 [ 50.358503][ C1] __kmalloc+0x171/0x3c0 [ 50.358669][ C1] p9_fcall_init+0x7d/0x1b0 [ 50.358957][ C1] p9_tag_alloc+0x138/0x700 [ 50.359171][ C1] p9_client_prepare_req+0xe6/0x290 [ 50.359340][ C1] p9_client_rpc+0x18d/0x930 [ 50.359506][ C1] p9_client_readlink+0x71/0x120 [ 50.359672][ C1] v9fs_vfs_get_link_dotl+0x94/0x1b0 [ 50.359844][ C1] pick_link+0xac6/0x1160 [ 50.360136][ C1] step_into+0x84e/0xfa0 [ 50.360319][ C1] link_path_walk.part.0.constprop.0+0x56a/0x9f0 [ 50.360548][ C1] path_openat+0x1be/0x440 [ 50.360848][ C1] do_filp_open+0x1b3/0x3e0 [ 50.361035][ C1] do_sys_openat2+0x122/0x160 [ 50.361331][ C1] __x64_sys_openat+0x123/0x1e0 [ 50.361511][ C1] do_syscall_64+0xc6/0x1e0 [ 50.361692][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 50.361922][ C1] [ 50.362015][ C1] [ 50.362015][ C1] stack backtrace: [ 50.362451][ C1] CPU: 1 PID: 509 Comm: sed Not tainted 6.9.0-rc1-virtme #1 [ 50.362726][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 50.363241][ C1] Call Trace: [ 50.363382][ C1] [ 50.363475][ C1] dump_stack_lvl+0x82/0xd0 [ 50.363654][ C1] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 50.363973][ C1] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 50.364186][ C1] ? __pfx_usage_skip+0x10/0x10 [ 50.364352][ C1] ? __pfx_usage_match+0x10/0x10 [ 50.364527][ C1] ? arch_stack_walk+0xa2/0xf0 [ 50.364694][ C1] mark_lock_irq+0x4cd/0xa10 [ 50.364975][ C1] ? __pfx_mark_lock_irq+0x10/0x10 [ 50.365145][ C1] ? stack_trace_save+0x94/0xd0 [ 50.365314][ C1] ? add_chain_cache+0x248/0x8b0 [ 50.365484][ C1] ? save_trace+0x8f/0x5b0 [ 50.365655][ C1] mark_lock+0x28d/0x3e0 [ 50.365781][ C1] mark_usage+0xd9/0x2a0 [ 50.365910][ C1] __lock_acquire+0x797/0x1570 [ 50.366078][ C1] ? __lock_acquire+0xaf0/0x1570 [ 50.366244][ C1] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge] [ 50.366637][ C1] lock_acquire.part.0+0xeb/0x330 [ 50.366936][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 50.367279][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 50.367553][ C1] ? trace_lock_acquire+0x135/0x1c0 [ 50.367838][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 50.368257][ C1] ? lock_acquire+0x32/0xc0 [ 50.368527][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 50.369135][ C1] _raw_spin_lock+0x30/0x40 [ 50.369414][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 50.369824][ C1] br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 50.370234][ C1] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge] [ 50.370701][ C1] call_timer_fn+0x13b/0x230 [ 50.370971][ C1] ? call_timer_fn+0xe8/0x230 [ 50.371241][ C1] ? call_timer_fn+0xe8/0x230 [ 50.371507][ C1] ? __pfx_call_timer_fn+0x10/0x10 [ 50.371781][ C1] ? hlock_class+0x4e/0x130 [ 50.372059][ C1] ? mark_held_locks+0x9e/0xe0 [ 50.372338][ C1] __run_timers+0x545/0x810 [ 50.372612][ C1] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge] [ 50.373084][ C1] ? __pfx___run_timers+0x10/0x10 [ 50.373350][ C1] ? do_raw_spin_lock+0x131/0x270 [ 50.373621][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 50.373900][ C1] ? lock_acquire+0x32/0xc0 [ 50.374171][ C1] ? run_timer_softirq+0xe0/0x1b0 [ 50.374439][ C1] run_timer_softirq+0xe8/0x1b0 [ 50.374705][ C1] __do_softirq+0x1f8/0x5df [ 50.374980][ C1] irq_exit_rcu+0x97/0xc0 [ 50.375185][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 50.375462][ C1] [ 50.375604][ C1] [ 50.375747][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 50.376083][ C1] RIP: 0010:ftrace_graph_ret_addr+0x6/0x140 [ 50.376332][ C1] Code: 04 e8 ce 9d 44 00 8b 44 24 04 eb bf 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 41 57 <48> 89 d0 48 ba 00 00 00 00 00 fc ff df 41 56 41 55 41 54 49 89 cc [ 50.376924][ C1] RSP: 0018:ffffc90000cdf0c8 EFLAGS: 00000246 [ 50.377194][ C1] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc90000cdfbe8 [ 50.377458][ C1] RDX: ffffffff96013fb3 RSI: ffffc90000cdf208 RDI: ffff888012f50040 [ 50.377717][ C1] RBP: ffffc90000cdf230 R08: ffffc90000cdf218 R09: 1ffff9200019be24 [ 50.377963][ C1] R10: ffffc90000cdf1d8 R11: ffffc90000cdf219 R12: 1ffff9200019be24 [ 50.378209][ C1] R13: ffffc90000cdf1d8 R14: ffffffff99f9be3c R15: ffffc90000cdfbe8 [ 50.378464][ C1] ? do_filp_open+0x1b3/0x3e0 [ 50.378629][ C1] unwind_next_frame+0x8fe/0x1d00 [ 50.378797][ C1] ? path_openat+0x1be/0x440 [ 50.378966][ C1] ? __pfx_unwind_next_frame+0x10/0x10 [ 50.379136][ C1] ? path_openat+0x1be/0x440 [ 50.379304][ C1] ? kernel_text_address+0x17/0xe0 [ 50.379477][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 50.379683][ C1] arch_stack_walk+0x8c/0xf0 [ 50.379857][ C1] ? do_filp_open+0x1b3/0x3e0 [ 50.380026][ C1] stack_trace_save+0x94/0xd0 [ 50.380194][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 50.380366][ C1] set_track_prepare+0x31/0x70 [ 50.380539][ C1] ? kasan_quarantine_reduce+0x192/0x1e0 [ 50.380703][ C1] ? __kasan_slab_alloc+0x49/0x70 [ 50.380873][ C1] ? __kmalloc+0x171/0x3c0 [ 50.381037][ C1] ? p9_fcall_init+0x7d/0x1b0 [ 50.381207][ C1] ? p9_tag_alloc+0x138/0x700 [ 50.381375][ C1] ? p9_client_prepare_req+0xe6/0x290 [ 50.381543][ C1] ? p9_client_rpc+0x18d/0x930 [ 50.381711][ C1] ? p9_client_readlink+0x71/0x120 [ 50.381878][ C1] ? v9fs_vfs_get_link_dotl+0x94/0x1b0 [ 50.382049][ C1] ? pick_link+0xac6/0x1160 [ 50.382213][ C1] ? step_into+0x84e/0xfa0 [ 50.382378][ C1] ? link_path_walk.part.0.constprop.0+0x56a/0x9f0 [ 50.382585][ C1] ? path_openat+0x1be/0x440 [ 50.382751][ C1] ? hlock_class+0x4e/0x130 [ 50.382911][ C1] ? mark_lock+0x38/0x3e0 [ 50.383035][ C1] free_to_partial_list+0x1db/0x340 [ 50.383198][ C1] ? qlist_free_all+0x47/0x140 [ 50.383415][ C1] qlist_free_all+0x4c/0x140 [ 50.383842][ C1] ? p9_fcall_init+0x7d/0x1b0 [ 50.384113][ C1] kasan_quarantine_reduce+0x192/0x1e0 [ 50.384400][ C1] __kasan_slab_alloc+0x49/0x70 [ 50.384675][ C1] __kmalloc+0x171/0x3c0 [ 50.385087][ C1] p9_fcall_init+0x7d/0x1b0 [ 50.385358][ C1] p9_tag_alloc+0x138/0x700 [ 50.385523][ C1] ? __pfx_p9_tag_alloc+0x10/0x10 [ 50.385688][ C1] ? mark_lock+0x38/0x3e0 [ 50.385818][ C1] p9_client_prepare_req+0xe6/0x290 [ 50.385986][ C1] ? __pfx_p9_client_prepare_req+0x10/0x10 [ 50.386205][ C1] ? find_held_lock+0x2c/0x110 [ 50.386379][ C1] p9_client_rpc+0x18d/0x930 [ 50.386546][ C1] ? do_raw_spin_lock+0x131/0x270 [ 50.386713][ C1] ? __pfx_p9_client_rpc+0x10/0x10 [ 50.386878][ C1] ? v9fs_fid_find+0x1af/0x290 [ 50.387051][ C1] ? do_raw_spin_unlock+0x58/0x220 [ 50.387217][ C1] ? _raw_spin_unlock+0x23/0x40 [ 50.387493][ C1] ? __pfx_v9fs_fid_find+0x10/0x10 [ 50.387661][ C1] ? find_held_lock+0x2c/0x110 [ 50.387831][ C1] p9_client_readlink+0x71/0x120 [ 50.388014][ C1] v9fs_vfs_get_link_dotl+0x94/0x1b0 [ 50.388398][ C1] ? __pfx_v9fs_vfs_get_link_dotl+0x10/0x10 [ 50.388622][ C1] ? try_to_unlazy+0x1e1/0x560 [ 50.388802][ C1] pick_link+0xac6/0x1160 [ 50.388939][ C1] ? __pfx___lock_release+0x10/0x10 [ 50.389222][ C1] ? __pfx_v9fs_vfs_get_link_dotl+0x10/0x10 [ 50.389446][ C1] step_into+0x84e/0xfa0 [ 50.389581][ C1] ? read_word_at_a_time+0xe/0x20 [ 50.389767][ C1] ? __d_lookup_rcu+0x20d/0x3f0 [ 50.389944][ C1] ? __pfx_step_into+0x10/0x10 [ 50.390233][ C1] link_path_walk.part.0.constprop.0+0x56a/0x9f0 [ 50.390457][ C1] ? __pfx_link_path_walk.part.0.constprop.0+0x10/0x10 [ 50.390682][ C1] path_openat+0x1be/0x440 [ 50.390965][ C1] ? __pfx_path_openat+0x10/0x10 [ 50.391147][ C1] ? __lock_acquire+0xaf0/0x1570 [ 50.391333][ C1] do_filp_open+0x1b3/0x3e0 [ 50.391551][ C1] ? __pfx_do_filp_open+0x10/0x10 [ 50.391729][ C1] ? find_held_lock+0x2c/0x110 [ 50.392047][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 50.392226][ C1] ? alloc_fd+0x1f5/0x650 [ 50.392361][ C1] ? do_raw_spin_unlock+0x58/0x220 [ 50.392537][ C1] ? _raw_spin_unlock+0x23/0x40 [ 50.392718][ C1] ? alloc_fd+0x1f5/0x650 [ 50.392857][ C1] do_sys_openat2+0x122/0x160 [ 50.393035][ C1] ? vfs_fstatat+0x9e/0xc0 [ 50.393215][ C1] ? __pfx_do_sys_openat2+0x10/0x10 [ 50.393394][ C1] ? __pfx___do_sys_newfstatat+0x10/0x10 [ 50.393575][ C1] __x64_sys_openat+0x123/0x1e0 [ 50.393752][ C1] ? __pfx___x64_sys_openat+0x10/0x10 [ 50.393928][ C1] ? __pfx_do_faccessat+0x10/0x10 [ 50.394108][ C1] do_syscall_64+0xc6/0x1e0 [ 50.394292][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 50.394515][ C1] RIP: 0033:0x7f0e4ee790e8 [ 50.394696][ C1] Code: f9 41 89 f0 41 83 e2 40 75 30 89 f0 25 00 00 41 00 3d 00 00 41 00 74 22 44 89 c2 4c 89 ce bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 30 c3 0f 1f 80 00 00 00 00 48 8d 44 24 08 c7 [ 50.395435][ C1] RSP: 002b:00007ffe9ab9c2d8 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 [ 50.395702][ C1] RAX: ffffffffffffffda RBX: 00007ffe9ab9c55f RCX: 00007f0e4ee790e8 [ 50.396053][ C1] RDX: 0000000000080000 RSI: 00007ffe9ab9c350 RDI: 00000000ffffff9c [ 50.396294][ C1] RBP: 00007ffe9ab9c340 R08: 0000000000080000 R09: 00007ffe9ab9c350 [ 50.396540][ C1] R10: 0000000000000000 R11: 0000000000000287 R12: 00007ffe9ab9c357 [ 50.396887][ C1] R13: 00007ffe9ab9c570 R14: 00007ffe9ab9c350 R15: 00007f0e4ee4a000 [ 50.397150][ C1] [ 115.008107][ T2100] br0: port 2(veth2) entered disabled state [ 115.109228][ T2102] veth2: left allmulticast mode [ 115.109455][ T2102] veth2: left promiscuous mode [ 115.109758][ T2102] br0: port 2(veth2) entered disabled state [ 115.213070][ T2103] br0: port 1(veth1) entered disabled state [ 115.315791][ T2104] veth1: left allmulticast mode [ 115.315996][ T2104] veth1: left promiscuous mode [ 115.316264][ T2104] br0: port 1(veth1) entered disabled state [ 116.117127][ T2114] br0: port 1(veth1) entered blocking state [ 116.117386][ T2114] br0: port 1(veth1) entered disabled state [ 116.117598][ T2114] veth1: entered allmulticast mode [ 116.119146][ T2114] veth1: entered promiscuous mode [ 116.229515][ T63] br0: port 1(veth1) entered blocking state [ 116.229754][ T63] br0: port 1(veth1) entered forwarding state [ 116.621746][ T2119] br0: port 2(veth2) entered blocking state [ 116.622017][ T2119] br0: port 2(veth2) entered disabled state [ 116.622242][ T2119] veth2: entered allmulticast mode [ 116.623816][ T2119] veth2: entered promiscuous mode [ 116.757123][ T7] br0: port 2(veth2) entered blocking state [ 116.757478][ T7] br0: port 2(veth2) entered forwarding state [ 197.170180][ T3911] br0: port 2(veth2) entered disabled state [ 197.279362][ T3912] veth2: left allmulticast mode [ 197.279620][ T3912] veth2: left promiscuous mode [ 197.280010][ T3912] br0: port 2(veth2) entered disabled state [ 197.395026][ T3913] br0: port 1(veth1) entered disabled state [ 197.499168][ T3914] veth1: left allmulticast mode [ 197.499437][ T3914] veth1: left promiscuous mode [ 197.499826][ T3914] br0: port 1(veth1) entered disabled state [ 198.366449][ T3924] br0: port 1(veth1) entered blocking state [ 198.366665][ T3924] br0: port 1(veth1) entered disabled state [ 198.366879][ T3924] veth1: entered allmulticast mode [ 198.368413][ T3924] veth1: entered promiscuous mode [ 198.484301][ T29] br0: port 1(veth1) entered blocking state [ 198.484535][ T29] br0: port 1(veth1) entered forwarding state [ 198.927429][ T3929] br0: port 2(veth2) entered blocking state [ 198.927654][ T3929] br0: port 2(veth2) entered disabled state [ 198.932900][ T3929] veth2: entered allmulticast mode [ 198.934416][ T3929] veth2: entered promiscuous mode [ 199.032923][ T7] br0: port 2(veth2) entered blocking state [ 199.033170][ T7] br0: port 2(veth2) entered forwarding state [ 375.203361][ T7778] br0: port 2(veth2) entered disabled state [ 375.314403][ T7779] veth2: left allmulticast mode [ 375.314674][ T7779] veth2: left promiscuous mode [ 375.315077][ T7779] br0: port 2(veth2) entered disabled state [ 375.416661][ T7780] br0: port 1(veth1) entered disabled state [ 375.525966][ T7781] veth1: left allmulticast mode [ 375.526148][ T7781] veth1: left promiscuous mode [ 375.526422][ T7781] br0: port 1(veth1) entered disabled state