bond389 (unregistering): Released all slaves bond388 (unregistering): Released all slaves bond387 (unregistering): Released all slaves bond386 (unregistering): Released all slaves bond385 (unregistering): Released all slaves INFO: task kworker/1:0:11169 blocked for more than 140 seconds. bond384 (unregistering): Released all slaves Not tainted 4.19.211-syzkaller #0 bond383 (unregistering): Released all slaves "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. bond382 (unregistering): Released all slaves kworker/1:0 D27264 11169 2 0x80000000 bond381 (unregistering): Released all slaves Workqueue: ipv6_addrconf addrconf_dad_work bond380 (unregistering): Released all slaves bond379 (unregistering): Released all slaves bond378 (unregistering): Released all slaves Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 bond377 (unregistering): Released all slaves bond376 (unregistering): Released all slaves bond375 (unregistering): Released all slaves schedule+0x8d/0x1b0 kernel/sched/core.c:3561 bond374 (unregistering): Released all slaves schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 bond373 (unregistering): Released all slaves bond372 (unregistering): Released all slaves bond371 (unregistering): Released all slaves bond370 (unregistering): Released all slaves bond369 (unregistering): Released all slaves bond368 (unregistering): Released all slaves bond367 (unregistering): Released all slaves addrconf_dad_work+0x9c/0x10a0 net/ipv6/addrconf.c:3989 bond366 (unregistering): Released all slaves process_one_work+0x864/0x1570 kernel/workqueue.c:2153 bond365 (unregistering): Released all slaves bond364 (unregistering): Released all slaves worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 bond363 (unregistering): Released all slaves bond362 (unregistering): Released all slaves ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 INFO: task kworker/0:18:4182 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 bond361 (unregistering): Released all slaves "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/0:18 D27536 4182 2 0x80000000 bond360 (unregistering): Released all slaves bond359 (unregistering): Released all slaves Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 bond358 (unregistering): Released all slaves schedule+0x8d/0x1b0 kernel/sched/core.c:3561 bond357 (unregistering): Released all slaves schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 bond356 (unregistering): Released all slaves bond355 (unregistering): Released all slaves bond354 (unregistering): Released all slaves addrconf_dad_work+0x9c/0x10a0 net/ipv6/addrconf.c:3989 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 bond353 (unregistering): Released all slaves bond352 (unregistering): Released all slaves worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 bond351 (unregistering): Released all slaves kthread+0x33f/0x460 kernel/kthread.c:259 bond350 (unregistering): Released all slaves bond349 (unregistering): Released all slaves bond348 (unregistering): Released all slaves ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 bond347 (unregistering): Released all slaves INFO: task kworker/0:0:8541 blocked for more than 140 seconds. bond346 (unregistering): Released all slaves Not tainted 4.19.211-syzkaller #0 bond345 (unregistering): Released all slaves "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. bond344 (unregistering): Released all slaves kworker/0:0 D27296 8541 2 0x80000000 Workqueue: events linkwatch_event Call Trace: bond343 (unregistering): Released all slaves context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 bond342 (unregistering): Released all slaves schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 bond341 (unregistering): Released all slaves bond340 (unregistering): Released all slaves linkwatch_event+0xb/0x60 net/core/link_watch.c:236 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 bond339 (unregistering): Released all slaves bond338 (unregistering): Released all slaves worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 bond337 (unregistering): Released all slaves kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 bond336 (unregistering): Released all slaves INFO: task kworker/1:2:11630 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. bond335 (unregistering): Released all slaves kworker/1:2 D27312 11630 2 0x80000000 Workqueue: events switchdev_deferred_process_work Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 bond334 (unregistering): Released all slaves schedule+0x8d/0x1b0 kernel/sched/core.c:3561 bond333 (unregistering): Released all slaves schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 bond332 (unregistering): Released all slaves __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 bond331 (unregistering): Released all slaves bond330 (unregistering): Released all slaves bond329 (unregistering): Released all slaves switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:150 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 bond328 (unregistering): Released all slaves worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 INFO: task syz-executor.2:5786 blocked for more than 140 seconds. bond327 (unregistering): Released all slaves Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D24216 5786 1 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 bond326 (unregistering): Released all slaves bond325 (unregistering): Released all slaves bond324 (unregistering): Released all slaves bond323 (unregistering): Released all slaves bond322 (unregistering): Released all slaves schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 bond321 (unregistering): Released all slaves bond320 (unregistering): Released all slaves bond319 (unregistering): Released all slaves bond318 (unregistering): Released all slaves bond317 (unregistering): Released all slaves rtnl_lock net/core/rtnetlink.c:77 [inline] rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond316 (unregistering): Released all slaves bond315 (unregistering): Released all slaves netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463 netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351 bond314 (unregistering): Released all slaves bond313 (unregistering): Released all slaves bond312 (unregistering): Released all slaves bond311 (unregistering): Released all slaves netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917 bond310 (unregistering): Released all slaves bond309 (unregistering): Released all slaves bond308 (unregistering): Released all slaves bond307 (unregistering): Released all slaves sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 __sys_sendto+0x21a/0x320 net/socket.c:1899 bond306 (unregistering): Released all slaves bond305 (unregistering): Released all slaves __do_sys_sendto net/socket.c:1911 [inline] __se_sys_sendto net/socket.c:1907 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1907 bond304 (unregistering): Released all slaves bond303 (unregistering): Released all slaves do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 bond302 (unregistering): Released all slaves bond301 (unregistering): Released all slaves entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fb7f7ec10fc Code: Bad RIP value. bond300 (unregistering): Released all slaves RSP: 002b:00007ffe57343ef0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c bond299 (unregistering): Released all slaves bond298 (unregistering): Released all slaves RAX: ffffffffffffffda RBX: 00007fb7f8b57620 RCX: 00007fb7f7ec10fc RDX: 0000000000000028 RSI: 00007fb7f8b57670 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffe57343f44 R09: 000000000000000c bond297 (unregistering): Released all slaves R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007fb7f8b57670 R14: 0000000000000003 R15: 0000000000000000 INFO: task syz-executor.3:5813 blocked for more than 140 seconds. bond296 (unregistering): Released all slaves Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D24120 5813 1 0x00000004 bond295 (unregistering): Released all slaves Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 bond294 (unregistering): Released all slaves schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 bond293 (unregistering): Released all slaves bond292 (unregistering): Released all slaves rtnl_lock net/core/rtnetlink.c:77 [inline] rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond291 (unregistering): Released all slaves bond290 (unregistering): Released all slaves netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463 bond289 (unregistering): Released all slaves netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351 bond288 (unregistering): Released all slaves bond287 (unregistering): Released all slaves netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917 bond286 (unregistering): Released all slaves sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 __sys_sendto+0x21a/0x320 net/socket.c:1899 bond285 (unregistering): Released all slaves bond284 (unregistering): Released all slaves bond283 (unregistering): Released all slaves __do_sys_sendto net/socket.c:1911 [inline] __se_sys_sendto net/socket.c:1907 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1907 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 bond282 (unregistering): Released all slaves entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fb6be92e0fc Code: Bad RIP value. RSP: 002b:00007ffd27aec620 EFLAGS: 00000293 ORIG_RAX: 000000000000002c bond281 (unregistering): Released all slaves RAX: ffffffffffffffda RBX: 00007fb6bf5c4620 RCX: 00007fb6be92e0fc RDX: 0000000000000028 RSI: 00007fb6bf5c4670 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffd27aec674 R09: 000000000000000c bond280 (unregistering): Released all slaves bond279 (unregistering): Released all slaves R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 bond278 (unregistering): Released all slaves R13: 00007fb6bf5c4670 R14: 0000000000000003 R15: 0000000000000000 INFO: task syz-executor.4:5818 blocked for more than 140 seconds. bond277 (unregistering): Released all slaves bond276 (unregistering): Released all slaves Not tainted 4.19.211-syzkaller #0 bond275 (unregistering): Released all slaves "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. bond274 (unregistering): Released all slaves bond273 (unregistering): Released all slaves syz-executor.4 D24120 5818 1 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 bond272 (unregistering): Released all slaves schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 bond271 (unregistering): Released all slaves __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 bond270 (unregistering): Released all slaves bond269 (unregistering): Released all slaves bond268 (unregistering): Released all slaves bond267 (unregistering): Released all slaves rtnl_lock net/core/rtnetlink.c:77 [inline] rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond266 (unregistering): Released all slaves bond265 (unregistering): Released all slaves bond264 (unregistering): Released all slaves bond263 (unregistering): Released all slaves netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463 netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351 bond262 (unregistering): Released all slaves bond261 (unregistering): Released all slaves netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917 bond260 (unregistering): Released all slaves sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 __sys_sendto+0x21a/0x320 net/socket.c:1899 bond259 (unregistering): Released all slaves bond258 (unregistering): Released all slaves bond257 (unregistering): Released all slaves __do_sys_sendto net/socket.c:1911 [inline] __se_sys_sendto net/socket.c:1907 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1907 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe bond256 (unregistering): Released all slaves RIP: 0033:0x7f0f0db5a0fc Code: Bad RIP value. bond255 (unregistering): Released all slaves RSP: 002b:00007fff142be700 EFLAGS: 00000293 ORIG_RAX: 000000000000002c bond254 (unregistering): Released all slaves RAX: ffffffffffffffda RBX: 00007f0f0e7f0620 RCX: 00007f0f0db5a0fc bond253 (unregistering): Released all slaves bond252 (unregistering): Released all slaves RDX: 0000000000000028 RSI: 00007f0f0e7f0670 RDI: 0000000000000003 bond251 (unregistering): Released all slaves RBP: 0000000000000000 R08: 00007fff142be754 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 bond250 (unregistering): Released all slaves R13: 00007f0f0e7f0670 R14: 0000000000000003 R15: 0000000000000000 INFO: task syz-executor.1:5822 blocked for more than 140 seconds. bond249 (unregistering): Released all slaves Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. bond248 (unregistering): Released all slaves syz-executor.1 D24288 5822 1 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 bond247 (unregistering): Released all slaves bond246 (unregistering): Released all slaves bond245 (unregistering): Released all slaves bond244 (unregistering): Released all slaves schedule+0x8d/0x1b0 kernel/sched/core.c:3561 bond243 (unregistering): Released all slaves schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 bond242 (unregistering): Released all slaves __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 bond241 (unregistering): Released all slaves rtnl_lock net/core/rtnetlink.c:77 [inline] rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond240 (unregistering): Released all slaves bond239 (unregistering): Released all slaves netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463 netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351 bond238 (unregistering): Released all slaves bond237 (unregistering): Released all slaves bond236 (unregistering): Released all slaves bond235 (unregistering): Released all slaves netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 bond234 (unregistering): Released all slaves __sys_sendto+0x21a/0x320 net/socket.c:1899 bond233 (unregistering): Released all slaves bond232 (unregistering): Released all slaves bond231 (unregistering): Released all slaves bond230 (unregistering): Released all slaves bond229 (unregistering): Released all slaves __do_sys_sendto net/socket.c:1911 [inline] __se_sys_sendto net/socket.c:1907 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1907 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f0262de20fc Code: Bad RIP value. bond228 (unregistering): Released all slaves RSP: 002b:00007ffef4789790 EFLAGS: 00000293 ORIG_RAX: 000000000000002c bond227 (unregistering): Released all slaves RAX: ffffffffffffffda RBX: 00007f0263a78620 RCX: 00007f0262de20fc RDX: 0000000000000040 RSI: 00007f0263a78670 RDI: 0000000000000003 bond226 (unregistering): Released all slaves RBP: 0000000000000000 R08: 00007ffef47897e4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007f0263a78670 R14: 0000000000000003 R15: 0000000000000000 bond225 (unregistering): Released all slaves INFO: task syz-executor.5:5836 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D24120 5836 1 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 bond224 (unregistering): Released all slaves schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 bond223 (unregistering): Released all slaves bond222 (unregistering): Released all slaves bond221 (unregistering): Released all slaves rtnl_lock net/core/rtnetlink.c:77 [inline] rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond220 (unregistering): Released all slaves netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463 bond219 (unregistering): Released all slaves bond218 (unregistering): Released all slaves netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351 bond217 (unregistering): Released all slaves bond216 (unregistering): Released all slaves bond215 (unregistering): Released all slaves bond214 (unregistering): Released all slaves netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917 bond213 (unregistering): Released all slaves sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 __sys_sendto+0x21a/0x320 net/socket.c:1899 bond212 (unregistering): Released all slaves bond211 (unregistering): Released all slaves __do_sys_sendto net/socket.c:1911 [inline] __se_sys_sendto net/socket.c:1907 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1907 bond210 (unregistering): Released all slaves bond209 (unregistering): Released all slaves do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe bond208 (unregistering): Released all slaves RIP: 0033:0x7f9cab3b20fc Code: Bad RIP value. RSP: 002b:00007ffef5defe40 EFLAGS: 00000293 ORIG_RAX: 000000000000002c bond207 (unregistering): Released all slaves RAX: ffffffffffffffda RBX: 00007f9cac048620 RCX: 00007f9cab3b20fc RDX: 0000000000000040 RSI: 00007f9cac048670 RDI: 0000000000000003 bond206 (unregistering): Released all slaves RBP: 0000000000000000 R08: 00007ffef5defe94 R09: 000000000000000c bond205 (unregistering): Released all slaves R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 bond204 (unregistering): Released all slaves R13: 00007f9cac048670 R14: 0000000000000003 R15: 0000000000000000 INFO: task syz-executor.0:5842 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 bond203 (unregistering): Released all slaves "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. bond202 (unregistering): Released all slaves bond201 (unregistering): Released all slaves syz-executor.0 D24120 5842 1 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 bond200 (unregistering): Released all slaves schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 bond199 (unregistering): Released all slaves __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 bond198 (unregistering): Released all slaves bond197 (unregistering): Released all slaves bond196 (unregistering): Released all slaves rtnl_lock net/core/rtnetlink.c:77 [inline] rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond195 (unregistering): Released all slaves bond194 (unregistering): Released all slaves bond193 (unregistering): Released all slaves bond192 (unregistering): Released all slaves bond191 (unregistering): Released all slaves netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463 netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351 bond190 (unregistering): Released all slaves bond189 (unregistering): Released all slaves bond188 (unregistering): Released all slaves bond187 (unregistering): Released all slaves bond186 (unregistering): Released all slaves netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917 bond185 (unregistering): Released all slaves bond184 (unregistering): Released all slaves sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 bond183 (unregistering): Released all slaves __sys_sendto+0x21a/0x320 net/socket.c:1899 bond182 (unregistering): Released all slaves bond181 (unregistering): Released all slaves bond180 (unregistering): Released all slaves bond179 (unregistering): Released all slaves bond178 (unregistering): Released all slaves bond177 (unregistering): Released all slaves bond176 (unregistering): Released all slaves __do_sys_sendto net/socket.c:1911 [inline] __se_sys_sendto net/socket.c:1907 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1907 bond175 (unregistering): Released all slaves bond174 (unregistering): Released all slaves do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fba70af10fc Code: Bad RIP value. RSP: 002b:00007ffd53c650b0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c bond173 (unregistering): Released all slaves RAX: ffffffffffffffda RBX: 00007fba71787620 RCX: 00007fba70af10fc RDX: 0000000000000028 RSI: 00007fba71787670 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffd53c65104 R09: 000000000000000c bond172 (unregistering): Released all slaves R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007fba71787670 R14: 0000000000000003 R15: 0000000000000000 Showing all locks held in the system: bond171 (unregistering): Released all slaves 1 lock held by khungtaskd/1570: #0: 00000000ee78cdfe (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 bond170 (unregistering): Released all slaves 1 lock held by in:imklog/7773: #0: 000000006b3555b6 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 bond169 (unregistering): Released all slaves 3 locks held by kworker/1:0/11169: bond168 (unregistering): Released all slaves bond167 (unregistering): Released all slaves #0: 000000009784e80a ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 bond166 (unregistering): Released all slaves bond165 (unregistering): Released all slaves #1: 00000000af30cd80 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 000000005ba84eff (rtnl_mutex){+.+.}, at: addrconf_dad_work+0x9c/0x10a0 net/ipv6/addrconf.c:3989 bond164 (unregistering): Released all slaves 3 locks held by kworker/0:18/4182: #0: 000000009784e80a ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000755cd05f ((work_completion)(&(&ifa->dad_work)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 bond163 (unregistering): Released all slaves #2: 000000005ba84eff (rtnl_mutex){+.+.}, at: addrconf_dad_work+0x9c/0x10a0 net/ipv6/addrconf.c:3989 5 locks held by kworker/u4:13/14427: bond162 (unregistering): Released all slaves 3 locks held by kworker/0:0/8541: #0: 0000000003c6b114 ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 bond161 (unregistering): Released all slaves #1: 0000000016b623ab ((linkwatch_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 000000005ba84eff (rtnl_mutex){+.+.}, at: linkwatch_event+0xb/0x60 net/core/link_watch.c:236 bond160 (unregistering): Released all slaves 3 locks held by kworker/1:2/11630: #0: 0000000003c6b114 ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 000000006fa5eef0 (deferred_process_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 bond159 (unregistering): Released all slaves #2: 000000005ba84eff (rtnl_mutex){+.+.}, at: switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:150 bond158 (unregistering): Released all slaves 1 lock held by syz-executor.2/5786: #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond157 (unregistering): Released all slaves 1 lock held by syz-executor.3/5813: #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 1 lock held by syz-executor.4/5818: #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond156 (unregistering): Released all slaves 1 lock held by syz-executor.1/5822: #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 1 lock held by syz-executor.5/5836: #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond155 (unregistering): Released all slaves 1 lock held by syz-executor.0/5842: #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 1 lock held by syz-executor.2/7215: #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond154 (unregistering): Released all slaves 1 lock held by syz-executor.4/7226: #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 1 lock held by syz-executor.1/7241: #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond153 (unregistering): Released all slaves bond152 (unregistering): Released all slaves bond151 (unregistering): Released all slaves 1 lock held by syz-executor.3/7251: bond150 (unregistering): Released all slaves #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond149 (unregistering): Released all slaves 1 lock held by syz-executor.0/7252: #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond148 (unregistering): Released all slaves bond147 (unregistering): Released all slaves bond146 (unregistering): Released all slaves bond145 (unregistering): Released all slaves 1 lock held by syz-executor.5/7262: bond144 (unregistering): Released all slaves #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond143 (unregistering): Released all slaves 1 lock held by syz-executor.2/7282: #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond142 (unregistering): Released all slaves 1 lock held by syz-executor.4/7293: #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond141 (unregistering): Released all slaves bond140 (unregistering): Released all slaves 1 lock held by syz-executor.3/7306: #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond139 (unregistering): Released all slaves 1 lock held by syz-executor.0/7311: #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond138 (unregistering): Released all slaves 1 lock held by syz-executor.1/7324: #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond137 (unregistering): Released all slaves 1 lock held by syz-executor.5/7334: #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 000000005ba84eff (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond136 (unregistering): Released all slaves ============================================= NMI backtrace for cpu 1 bond135 (unregistering): Released all slaves bond134 (unregistering): Released all slaves CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x991/0xe60 kernel/hung_task.c:287 bond133 (unregistering): Released all slaves kthread+0x33f/0x460 kernel/kthread.c:259 bond132 (unregistering): Released all slaves ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 5655 Comm: kworker/u4:18 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: bat_events batadv_nc_worker RIP: 0010:__raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline] RIP: 0010:_raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:168 Code: 8b 7c 24 08 be 01 02 00 00 e8 bd cb 1f f9 48 8d 7d 18 45 31 c9 31 c9 ff 74 24 08 41 b8 01 00 00 00 31 d2 31 f6 e8 a1 05 32 f9 <48> 89 ef 58 5d e9 e7 90 32 f9 0f 1f 80 00 00 00 00 48 c7 c0 80 82 RSP: 0018:ffff88823af7fc28 EFLAGS: 00000296 RAX: 1ffffffff13e3051 RBX: ffff88809d351338 RCX: 0000000000007efa RDX: dffffc0000000000 RSI: 00000000fb5a0490 RDI: 0000000000000286 RBP: ffff88809d351338 R08: ffffffff8cd56d10 R09: 0000000000000002 R10: ffff888094e78a58 R11: 0000000000000000 R12: dffffc0000000000 R13: ffffffff87d8d930 R14: 0000000000000039 R15: ffff888096401000 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9eb4367000 CR3: 000000009bd06000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: spin_lock_bh include/linux/spinlock.h:334 [inline] batadv_nc_purge_paths+0xdc/0x310 net/batman-adv/network-coding.c:453 batadv_nc_worker+0x731/0xd50 net/batman-adv/network-coding.c:733 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415