[ 14.264102][ T252] ip (252) used greatest stack depth: 23840 bytes left [ 20.262962][ T318] br0: port 1(veth1) entered blocking state [ 20.263674][ T318] br0: port 1(veth1) entered disabled state [ 20.264184][ T318] veth1: entered allmulticast mode [ 20.267820][ T318] veth1: entered promiscuous mode [ 20.375604][ T320] br0: port 2(veth2) entered blocking state [ 20.376019][ T320] br0: port 2(veth2) entered disabled state [ 20.376431][ T320] veth2: entered allmulticast mode [ 20.380092][ T320] veth2: entered promiscuous mode [ 20.498261][ T321] br0: port 3(veth4) entered blocking state [ 20.498676][ T321] br0: port 3(veth4) entered disabled state [ 20.499291][ T321] veth4: entered allmulticast mode [ 20.502660][ T321] veth4: entered promiscuous mode [ 21.305238][ T152] br0: port 1(veth1) entered blocking state [ 21.305826][ T152] br0: port 1(veth1) entered forwarding state [ 21.409774][ T152] br0: port 2(veth2) entered blocking state [ 21.410199][ T152] br0: port 2(veth2) entered forwarding state [ 21.524573][ T36] br0: port 3(veth4) entered blocking state [ 21.525018][ T36] br0: port 3(veth4) entered forwarding state [ 37.488428][ T388] veth3: entered promiscuous mode [ 38.101873][ T394] GACT probability NOT on [ 39.982824][ T401] veth3: left promiscuous mode [ 40.092706][ T402] veth3: entered promiscuous mode [ 42.350978][ T411] veth3: left promiscuous mode [ 42.580029][ T419] ================================================================== [ 42.580346][ T419] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0 [ 42.580662][ T419] Write of size 8 at addr 0000000000000000 by task ip/419 [ 42.580906][ T419] [ 42.581005][ T419] CPU: 0 UID: 0 PID: 419 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full) [ 42.581010][ T419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.581012][ T419] Call Trace: [ 42.581014][ T419] [ 42.581017][ T419] dump_stack_lvl+0x82/0xc0 [ 42.581026][ T419] ? try_to_grab_pending+0x81/0x6c0 [ 42.581030][ T419] kasan_report+0xca/0x100 [ 42.581037][ T419] ? try_to_grab_pending+0x81/0x6c0 [ 42.581042][ T419] kasan_check_range+0x39/0x1b0 [ 42.581046][ T419] try_to_grab_pending+0x81/0x6c0 [ 42.581051][ T419] __cancel_work+0x7c/0x260 [ 42.581055][ T419] ? enable_delayed_work+0x10/0x10 [ 42.581059][ T419] ? queue_delayed_work_on+0xa0/0xa0 [ 42.581062][ T419] ? lockdep_hardirqs_on+0x7c/0x110 [ 42.581069][ T419] __cancel_work_sync+0x18/0xc0 [ 42.581073][ T419] __dev_close_many+0x1ce/0x810 [ 42.581081][ T419] ? netdev_notify_peers+0x20/0x20 [ 42.581086][ T419] ? __local_bh_enable_ip+0xa9/0x120 [ 42.581091][ T419] __dev_change_flags+0x24b/0x6c0 [ 42.581094][ T419] ? __free_zapped_classes+0x90/0x90 [ 42.581101][ T419] ? netif_set_allmulti+0x360/0x360 [ 42.581104][ T419] ? __lock_release+0x5d/0x170 [ 42.581110][ T419] netif_change_flags+0x80/0x160 [ 42.581114][ T419] do_setlink.constprop.0+0x97c/0x2460 [ 42.581121][ T419] ? rtnl_newlink_create+0x770/0x770 [ 42.581126][ T419] ? rcu_read_lock_any_held+0x3f/0xa0 [ 42.581133][ T419] ? validate_chain+0x15e/0x4d0 [ 42.581139][ T419] ? __lock_acquire+0x449/0x7e0 [ 42.581144][ T419] ? __mutex_trylock_common+0xf9/0x260 [ 42.581148][ T419] ? __mutex_handoff+0x2b0/0x2b0 [ 42.581151][ T419] ? rcu_is_watching+0x12/0xb0 [ 42.581155][ T419] ? rcu_is_watching+0x12/0xb0 [ 42.581158][ T419] ? trace_contention_end+0xd8/0x140 [ 42.581162][ T419] ? __mutex_lock+0x19f/0x1190 [ 42.581167][ T419] ? __create_object+0x5e/0xb0 [ 42.581170][ T419] ? __lock_release+0x5d/0x170 [ 42.581174][ T419] ? rtnl_newlink+0x64a/0xa60 [ 42.581177][ T419] ? ww_mutex_lock+0x160/0x160 [ 42.581180][ T419] ? trace_cap_capable+0x10b/0x180 [ 42.581185][ T419] ? __rtnl_newlink+0x40a/0xa30 [ 42.581190][ T419] rtnl_newlink+0x693/0xa60 [ 42.581195][ T419] ? __rtnl_newlink+0xa30/0xa30 [ 42.581197][ T419] ? __lock_acquire+0x449/0x7e0 [ 42.581203][ T419] ? find_held_lock+0x2b/0x80 [ 42.581207][ T419] ? rtnetlink_rcv_msg+0x6e6/0xc00 [ 42.581209][ T419] ? __lock_release+0x5d/0x170 [ 42.581214][ T419] ? __rtnl_newlink+0xa30/0xa30 [ 42.581216][ T419] rtnetlink_rcv_msg+0x709/0xc00 [ 42.581220][ T419] ? rtnl_port_fill+0x850/0x850 [ 42.581223][ T419] ? __lock_acquire+0x449/0x7e0 [ 42.581230][ T419] netlink_rcv_skb+0x121/0x340 [ 42.581234][ T419] ? rtnl_port_fill+0x850/0x850 [ 42.581238][ T419] ? netlink_ack+0xdd0/0xdd0 [ 42.581244][ T419] ? netlink_deliver_tap+0x13e/0x340 [ 42.581247][ T419] ? netlink_deliver_tap+0xc3/0x340 [ 42.581251][ T419] netlink_unicast+0x4aa/0x780 [ 42.581255][ T419] ? netlink_attachskb+0x810/0x810 [ 42.581259][ T419] ? __lock_acquire+0x449/0x7e0 [ 42.581265][ T419] netlink_sendmsg+0x714/0xbd0 [ 42.581269][ T419] ? netlink_unicast+0x780/0x780 [ 42.581273][ T419] ? __import_iovec+0x230/0x3b0 [ 42.581280][ T419] ? netlink_unicast+0x780/0x780 [ 42.581284][ T419] ____sys_sendmsg+0x3dd/0x890 [ 42.581290][ T419] ? get_timestamp.constprop.0+0x380/0x380 [ 42.581293][ T419] ? __copy_msghdr+0x3c0/0x3c0 [ 42.581301][ T419] ___sys_sendmsg+0xed/0x170 [ 42.581304][ T419] ? kasan_record_aux_stack+0x8c/0xa0 [ 42.581307][ T419] ? __call_rcu_common.constprop.0+0xa8/0x630 [ 42.581313][ T419] ? copy_msghdr_from_user+0x110/0x110 [ 42.581318][ T419] ? find_held_lock+0x2b/0x80 [ 42.581322][ T419] ? __lock_acquire+0x449/0x7e0 [ 42.581328][ T419] ? find_held_lock+0x2b/0x80 [ 42.581332][ T419] ? __virt_addr_valid+0x22a/0x450 [ 42.581337][ T419] ? __lock_release+0x5d/0x170 [ 42.581344][ T419] __sys_sendmsg+0x10b/0x1a0 [ 42.581347][ T419] ? __call_rcu_common.constprop.0+0x318/0x630 [ 42.581351][ T419] ? __sys_sendmsg_sock+0x20/0x20 [ 42.581358][ T419] ? rcu_is_watching+0x12/0xb0 [ 42.581362][ T419] do_syscall_64+0xc1/0xfd0 [ 42.581369][ T419] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 42.581373][ T419] RIP: 0033:0x7f0d76c021d7 [ 42.581378][ T419] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 42.581381][ T419] RSP: 002b:00007ffc74495e18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 42.581388][ T419] RAX: ffffffffffffffda RBX: 00007ffc74496540 RCX: 00007f0d76c021d7 [ 42.581390][ T419] RDX: 0000000000000000 RSI: 00007ffc74495e80 RDI: 0000000000000005 [ 42.581392][ T419] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 42.581394][ T419] R10: 00007f0d76afef60 R11: 0000000000000246 R12: 0000000000000003 [ 42.581395][ T419] R13: 00000000691cca55 R14: 0000000000499600 R15: 0000000000000000 [ 42.581402][ T419] [ 42.581403][ T419] ================================================================== [ 42.598478][ T419] Disabling lock debugging due to kernel taint [ 42.598710][ T419] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 42.598963][ T419] #PF: supervisor write access in kernel mode [ 42.599186][ T419] #PF: error_code(0x0002) - not-present page [ 42.599399][ T419] PGD 57dd067 P4D 57dd067 PUD aaf3067 PMD 0 [ 42.599620][ T419] Oops: Oops: 0002 [#1] SMP KASAN [ 42.599808][ T419] CPU: 0 UID: 0 PID: 419 Comm: ip Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full) [ 42.600168][ T419] Tainted: [B]=BAD_PAGE [ 42.600300][ T419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.600516][ T419] RIP: 0010:try_to_grab_pending+0x81/0x6c0 [ 42.600753][ T419] Code: 00 41 89 c0 b8 01 00 00 00 45 85 c0 74 0f 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f c3 be 08 00 00 00 48 89 df e8 7f 7f 81 00 48 0f ba 2b 00 72 11 48 83 c4 10 31 c0 5b 5d 41 5c 41 5d 41 5e [ 42.601385][ T419] RSP: 0018:ffffc90000716f40 EFLAGS: 00010046 [ 42.601606][ T419] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffaba4090a [ 42.601875][ T419] RDX: fffffbfff5f8f2cd RSI: 0000000000000008 RDI: ffffffffafc79660 [ 42.602167][ T419] RBP: ffffc90000716fa8 R08: 0000000000000001 R09: fffffbfff5f8f2cc [ 42.602424][ T419] R10: ffffffffafc79667 R11: ffffc90000716a00 R12: 0000000000000000 [ 42.602691][ T419] R13: 0000000000000282 R14: ffff888008cdc000 R15: dffffc0000000000 [ 42.602943][ T419] FS: 00007f0d76a34800(0000) GS:ffff8880865f2000(0000) knlGS:0000000000000000 [ 42.603261][ T419] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.603483][ T419] CR2: 0000000000000000 CR3: 0000000004b28004 CR4: 0000000000772ef0 [ 42.603750][ T419] PKRU: 55555554 [ 42.603881][ T419] Call Trace: [ 42.604031][ T419] [ 42.604133][ T419] __cancel_work+0x7c/0x260 [ 42.604326][ T419] ? enable_delayed_work+0x10/0x10 [ 42.604499][ T419] ? queue_delayed_work_on+0xa0/0xa0 [ 42.604684][ T419] ? lockdep_hardirqs_on+0x7c/0x110 [ 42.604856][ T419] __cancel_work_sync+0x18/0xc0 [ 42.605027][ T419] __dev_close_many+0x1ce/0x810 [ 42.605216][ T419] ? netdev_notify_peers+0x20/0x20 [ 42.605396][ T419] ? __local_bh_enable_ip+0xa9/0x120 [ 42.605569][ T419] __dev_change_flags+0x24b/0x6c0 [ 42.605749][ T419] ? __free_zapped_classes+0x90/0x90 [ 42.605929][ T419] ? netif_set_allmulti+0x360/0x360 [ 42.606109][ T419] ? __lock_release+0x5d/0x170 [ 42.606300][ T419] netif_change_flags+0x80/0x160 [ 42.606477][ T419] do_setlink.constprop.0+0x97c/0x2460 [ 42.606654][ T419] ? rtnl_newlink_create+0x770/0x770 [ 42.606826][ T419] ? rcu_read_lock_any_held+0x3f/0xa0 [ 42.606997][ T419] ? validate_chain+0x15e/0x4d0 [ 42.607184][ T419] ? __lock_acquire+0x449/0x7e0 [ 42.607370][ T419] ? __mutex_trylock_common+0xf9/0x260 [ 42.607542][ T419] ? __mutex_handoff+0x2b0/0x2b0 [ 42.607734][ T419] ? rcu_is_watching+0x12/0xb0 [ 42.607908][ T419] ? rcu_is_watching+0x12/0xb0 [ 42.608086][ T419] ? trace_contention_end+0xd8/0x140 [ 42.608259][ T419] ? __mutex_lock+0x19f/0x1190 [ 42.608448][ T419] ? __create_object+0x5e/0xb0 [ 42.608635][ T419] ? __lock_release+0x5d/0x170 [ 42.608808][ T419] ? rtnl_newlink+0x64a/0xa60 [ 42.608987][ T419] ? ww_mutex_lock+0x160/0x160 [ 42.609164][ T419] ? trace_cap_capable+0x10b/0x180 [ 42.609340][ T419] ? __rtnl_newlink+0x40a/0xa30 [ 42.609521][ T419] rtnl_newlink+0x693/0xa60 [ 42.609700][ T419] ? __rtnl_newlink+0xa30/0xa30 [ 42.609875][ T419] ? __lock_acquire+0x449/0x7e0 [ 42.610053][ T419] ? find_held_lock+0x2b/0x80 [ 42.610230][ T419] ? rtnetlink_rcv_msg+0x6e6/0xc00 [ 42.610413][ T419] ? __lock_release+0x5d/0x170 [ 42.610592][ T419] ? __rtnl_newlink+0xa30/0xa30 [ 42.610889][ T419] rtnetlink_rcv_msg+0x709/0xc00 [ 42.611068][ T419] ? rtnl_port_fill+0x850/0x850 [ 42.611245][ T419] ? __lock_acquire+0x449/0x7e0 [ 42.611439][ T419] netlink_rcv_skb+0x121/0x340 [ 42.611729][ T419] ? rtnl_port_fill+0x850/0x850 [ 42.611897][ T419] ? netlink_ack+0xdd0/0xdd0 [ 42.612074][ T419] ? netlink_deliver_tap+0x13e/0x340 [ 42.612245][ T419] ? netlink_deliver_tap+0xc3/0x340 [ 42.612536][ T419] netlink_unicast+0x4aa/0x780 [ 42.612722][ T419] ? netlink_attachskb+0x810/0x810 [ 42.612891][ T419] ? __lock_acquire+0x449/0x7e0 [ 42.613073][ T419] netlink_sendmsg+0x714/0xbd0 [ 42.613347][ T419] ? netlink_unicast+0x780/0x780 [ 42.613532][ T419] ? __import_iovec+0x230/0x3b0 [ 42.613725][ T419] ? netlink_unicast+0x780/0x780 [ 42.613894][ T419] ____sys_sendmsg+0x3dd/0x890 [ 42.614181][ T419] ? get_timestamp.constprop.0+0x380/0x380 [ 42.614390][ T419] ? __copy_msghdr+0x3c0/0x3c0 [ 42.614580][ T419] ___sys_sendmsg+0xed/0x170 [ 42.614770][ T419] ? kasan_record_aux_stack+0x8c/0xa0 [ 42.615045][ T419] ? __call_rcu_common.constprop.0+0xa8/0x630 [ 42.615271][ T419] ? copy_msghdr_from_user+0x110/0x110 [ 42.615443][ T419] ? find_held_lock+0x2b/0x80 [ 42.615748][ T419] ? __lock_acquire+0x449/0x7e0 [ 42.615933][ T419] ? find_held_lock+0x2b/0x80 [ 42.616110][ T419] ? __virt_addr_valid+0x22a/0x450 [ 42.616286][ T419] ? __lock_release+0x5d/0x170 [ 42.616574][ T419] __sys_sendmsg+0x10b/0x1a0 [ 42.616769][ T419] ? __call_rcu_common.constprop.0+0x318/0x630 [ 42.616985][ T419] ? __sys_sendmsg_sock+0x20/0x20 [ 42.617166][ T419] ? rcu_is_watching+0x12/0xb0 [ 42.617438][ T419] do_syscall_64+0xc1/0xfd0 [ 42.617642][ T419] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 42.617862][ T419] RIP: 0033:0x7f0d76c021d7 [ 42.618041][ T419] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 42.618789][ T419] RSP: 002b:00007ffc74495e18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 42.619168][ T419] RAX: ffffffffffffffda RBX: 00007ffc74496540 RCX: 00007f0d76c021d7 [ 42.619441][ T419] RDX: 0000000000000000 RSI: 00007ffc74495e80 RDI: 0000000000000005 [ 42.619715][ T419] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 42.620089][ T419] R10: 00007f0d76afef60 R11: 0000000000000246 R12: 0000000000000003 [ 42.620357][ T419] R13: 00000000691cca55 R14: 0000000000499600 R15: 0000000000000000 [ 42.620746][ T419] [ 42.620878][ T419] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth [ 42.621193][ T419] CR2: 0000000000000000 [ 42.621329][ T419] ---[ end trace 0000000000000000 ]--- [ 42.621612][ T419] RIP: 0010:try_to_grab_pending+0x81/0x6c0 [ 42.621838][ T419] Code: 00 41 89 c0 b8 01 00 00 00 45 85 c0 74 0f 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f c3 be 08 00 00 00 48 89 df e8 7f 7f 81 00 48 0f ba 2b 00 72 11 48 83 c4 10 31 c0 5b 5d 41 5c 41 5d 41 5e [ 42.622555][ T419] RSP: 0018:ffffc90000716f40 EFLAGS: 00010046 [ 42.622806][ T419] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffaba4090a [ 42.623064][ T419] RDX: fffffbfff5f8f2cd RSI: 0000000000000008 RDI: ffffffffafc79660 [ 42.623427][ T419] RBP: ffffc90000716fa8 R08: 0000000000000001 R09: fffffbfff5f8f2cc [ 42.623701][ T419] R10: ffffffffafc79667 R11: ffffc90000716a00 R12: 0000000000000000 [ 42.624073][ T419] R13: 0000000000000282 R14: ffff888008cdc000 R15: dffffc0000000000 [ 42.624326][ T419] FS: 00007f0d76a34800(0000) GS:ffff8880865f2000(0000) knlGS:0000000000000000 [ 42.624635][ T419] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.624976][ T419] CR2: 0000000000000000 CR3: 0000000004b28004 CR4: 0000000000772ef0 [ 42.625235][ T419] PKRU: 55555554 [ 42.625363][ T419] Kernel panic - not syncing: Fatal exception [ 42.625788][ T419] Kernel Offset: 0x2a400000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 42.626222][ T419] ---[ end Kernel panic - not syncing: Fatal exception ]--- WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr