bond1389 (unregistering): Released all slaves bond1388 (unregistering): Released all slaves bond1387 (unregistering): Released all slaves bond1386 (unregistering): Released all slaves bond1385 (unregistering): Released all slaves INFO: task kworker/0:2:4385 blocked for more than 140 seconds. bond1384 (unregistering): Released all slaves Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. bond1383 (unregistering): Released all slaves kworker/0:2 D25544 4385 2 0x80000000 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: bond1382 (unregistering): Released all slaves context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 bond1381 (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 bond1380 (unregistering): Released all slaves bond1379 (unregistering): Released all slaves bond1378 (unregistering): Released all slaves bond1377 (unregistering): Released all slaves bond1376 (unregistering): Released all slaves addrconf_dad_work+0x9c/0x10a0 net/ipv6/addrconf.c:3989 bond1375 (unregistering): Released all slaves process_one_work+0x864/0x1570 kernel/workqueue.c:2153 bond1374 (unregistering): Released all slaves bond1373 (unregistering): Released all slaves worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 bond1372 (unregistering): Released all slaves bond1371 (unregistering): Released all slaves kthread+0x33f/0x460 kernel/kthread.c:259 bond1370 (unregistering): Released all slaves ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 bond1369 (unregistering): Released all slaves INFO: task kworker/1:4:9376 blocked for more than 140 seconds. bond1368 (unregistering): Released all slaves bond1367 (unregistering): Released all slaves Not tainted 4.19.211-syzkaller #0 bond1366 (unregistering): Released all slaves "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. bond1365 (unregistering): Released all slaves bond1364 (unregistering): Released all slaves kworker/1:4 D25872 9376 2 0x80000000 bond1363 (unregistering): Released all slaves Workqueue: ipv6_addrconf addrconf_dad_work bond1362 (unregistering): Released all slaves Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 bond1361 (unregistering): Released all slaves schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 bond1360 (unregistering): Released all slaves __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 bond1359 (unregistering): Released all slaves bond1358 (unregistering): Released all slaves bond1357 (unregistering): Released all slaves bond1356 (unregistering): Released all slaves addrconf_dad_work+0x9c/0x10a0 net/ipv6/addrconf.c:3989 bond1355 (unregistering): Released all slaves process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 bond1354 (unregistering): Released all slaves kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 bond1353 (unregistering): Released all slaves INFO: task kworker/0:1:28200 blocked for more than 140 seconds. bond1352 (unregistering): Released all slaves Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. bond1351 (unregistering): Released all slaves kworker/0:1 D25792 28200 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 bond1350 (unregistering): Released all slaves schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 bond1349 (unregistering): Released all slaves __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 bond1348 (unregistering): Released all slaves switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:150 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 bond1347 (unregistering): Released all slaves worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 bond1346 (unregistering): Released all slaves kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 bond1345 (unregistering): Released all slaves INFO: task kworker/1:3:23208 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. bond1344 (unregistering): Released all slaves kworker/1:3 D26208 23208 2 0x80000000 Workqueue: events linkwatch_event Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 bond1343 (unregistering): Released all slaves schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 bond1342 (unregistering): Released all slaves __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 bond1341 (unregistering): Released all slaves linkwatch_event+0xb/0x60 net/core/link_watch.c:236 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 bond1340 (unregistering): Released all slaves worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 bond1339 (unregistering): Released all slaves kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 bond1338 (unregistering): Released all slaves INFO: task syz-executor.0:8880 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.0 D24616 8880 1 0x00000004 Call Trace: bond1337 (unregistering): Released all slaves context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 bond1336 (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 bond1335 (unregistering): Released all slaves bond1334 (unregistering): Released all slaves rtnl_lock net/core/rtnetlink.c:77 [inline] rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond1333 (unregistering): Released all slaves bond1332 (unregistering): Released all slaves bond1331 (unregistering): Released all slaves bond1330 (unregistering): Released all slaves netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463 bond1329 (unregistering): Released all slaves netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351 bond1328 (unregistering): Released all slaves bond1327 (unregistering): Released all slaves bond1326 (unregistering): Released all slaves netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917 bond1325 (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 bond1324 (unregistering): Released all slaves bond1323 (unregistering): Released all slaves bond1322 (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 bond1321 (unregistering): Released all slaves entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f128efc48ac Code: Bad RIP value. bond1320 (unregistering): Released all slaves RSP: 002b:00007ffd455bc790 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f129005d320 RCX: 00007f128efc48ac RDX: 0000000000000040 RSI: 00007f129005d370 RDI: 0000000000000003 bond1319 (unregistering): Released all slaves RBP: 0000000000000000 R08: 00007ffd455bc7e4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 bond1318 (unregistering): Released all slaves R13: 00007f129005d370 R14: 0000000000000003 R15: 0000000000000000 INFO: task syz-executor.2:8911 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. bond1317 (unregistering): Released all slaves syz-executor.2 D24616 8911 1 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 bond1316 (unregistering): Released all slaves schedule+0x8d/0x1b0 kernel/sched/core.c:3561 bond1315 (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 bond1314 (unregistering): Released all slaves bond1313 (unregistering): Released all slaves bond1312 (unregistering): Released all slaves rtnl_lock net/core/rtnetlink.c:77 [inline] rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond1311 (unregistering): Released all slaves bond1310 (unregistering): Released all slaves bond1309 (unregistering): Released all slaves bond1308 (unregistering): Released all slaves netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463 bond1307 (unregistering): Released all slaves bond1306 (unregistering): Released all slaves bond1305 (unregistering): Released all slaves netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351 bond1304 (unregistering): Released all slaves bond1303 (unregistering): Released all slaves bond1302 (unregistering): Released all slaves bond1301 (unregistering): Released all slaves netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917 bond1300 (unregistering): Released all slaves bond1299 (unregistering): Released all slaves bond1298 (unregistering): Released all slaves bond1297 (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 bond1296 (unregistering): Released all slaves bond1295 (unregistering): Released all slaves bond1294 (unregistering): Released all slaves bond1293 (unregistering): Released all slaves bond1292 (unregistering): Released all slaves bond1291 (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 bond1290 (unregistering): Released all slaves do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f78fe0ef8ac Code: Bad RIP value. bond1289 (unregistering): Released all slaves RSP: 002b:00007ffc699a8c00 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f78ff188320 RCX: 00007f78fe0ef8ac bond1288 (unregistering): Released all slaves RDX: 0000000000000028 RSI: 00007f78ff188370 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffc699a8c54 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 bond1287 (unregistering): Released all slaves R13: 00007f78ff188370 R14: 0000000000000003 R15: 0000000000000000 INFO: task syz-executor.5:8912 blocked for more than 140 seconds. bond1286 (unregistering): Released all slaves Not tainted 4.19.211-syzkaller #0 bond1285 (unregistering): Released all slaves "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. bond1284 (unregistering): Released all slaves bond1283 (unregistering): Released all slaves syz-executor.5 D24216 8912 1 0x00000004 bond1282 (unregistering): Released all slaves Call Trace: bond1281 (unregistering): Released all slaves context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 bond1280 (unregistering): Released all slaves schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 bond1279 (unregistering): Released all slaves __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 bond1278 (unregistering): Released all slaves rtnl_lock net/core/rtnetlink.c:77 [inline] rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond1277 (unregistering): Released all slaves bond1276 (unregistering): Released all slaves netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463 bond1275 (unregistering): Released all slaves netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351 bond1274 (unregistering): Released all slaves netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917 bond1273 (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 bond1272 (unregistering): Released all slaves bond1271 (unregistering): Released all slaves bond1270 (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 bond1269 (unregistering): Released all slaves do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f33b7b398ac Code: Bad RIP value. bond1268 (unregistering): Released all slaves RSP: 002b:00007ffe4fe7a930 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f33b8bd2320 RCX: 00007f33b7b398ac bond1267 (unregistering): Released all slaves RDX: 0000000000000028 RSI: 00007f33b8bd2370 RDI: 0000000000000003 bond1266 (unregistering): Released all slaves RBP: 0000000000000000 R08: 00007ffe4fe7a984 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 bond1265 (unregistering): Released all slaves R13: 00007f33b8bd2370 R14: 0000000000000003 R15: 0000000000000000 INFO: task syz-executor.4:8914 blocked for more than 140 seconds. bond1264 (unregistering): Released all slaves Not tainted 4.19.211-syzkaller #0 bond1263 (unregistering): Released all slaves "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. bond1262 (unregistering): Released all slaves syz-executor.4 D24720 8914 1 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 bond1261 (unregistering): Released all slaves bond1260 (unregistering): Released all slaves bond1259 (unregistering): Released all slaves bond1258 (unregistering): Released all slaves bond1257 (unregistering): Released all slaves bond1256 (unregistering): Released all slaves schedule+0x8d/0x1b0 kernel/sched/core.c:3561 bond1255 (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 bond1254 (unregistering): Released all slaves bond1253 (unregistering): Released all slaves rtnl_lock net/core/rtnetlink.c:77 [inline] rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond1252 (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 bond1251 (unregistering): Released all slaves bond1250 (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 bond1249 (unregistering): Released all slaves __sys_sendto+0x21a/0x320 net/socket.c:1899 bond1248 (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 bond1247 (unregistering): Released all slaves do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 bond1246 (unregistering): Released all slaves entry_SYSCALL_64_after_hwframe+0x49/0xbe bond1245 (unregistering): Released all slaves RIP: 0033:0x7f724dac78ac bond1244 (unregistering): Released all slaves Code: Bad RIP value. bond1243 (unregistering): Released all slaves RSP: 002b:00007ffd262be550 EFLAGS: 00000293 ORIG_RAX: 000000000000002c bond1242 (unregistering): Released all slaves RAX: ffffffffffffffda RBX: 00007f724eb60320 RCX: 00007f724dac78ac bond1241 (unregistering): Released all slaves RDX: 000000000000005c RSI: 00007f724eb60370 RDI: 0000000000000003 bond1240 (unregistering): Released all slaves RBP: 0000000000000000 R08: 00007ffd262be5a4 R09: 000000000000000c bond1239 (unregistering): Released all slaves R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 bond1238 (unregistering): Released all slaves R13: 00007f724eb60370 R14: 0000000000000003 R15: 0000000000000000 bond1237 (unregistering): Released all slaves INFO: task syz-executor.1:8918 blocked for more than 140 seconds. bond1236 (unregistering): Released all slaves Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. bond1235 (unregistering): Released all slaves syz-executor.1 D24216 8918 1 0x00000004 bond1234 (unregistering): Released all slaves Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 bond1233 (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 bond1232 (unregistering): Released all slaves bond1231 (unregistering): Released all slaves rtnl_lock net/core/rtnetlink.c:77 [inline] rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond1230 (unregistering): Released all slaves bond1229 (unregistering): Released all slaves bond1228 (unregistering): Released all slaves bond1227 (unregistering): Released all slaves bond1226 (unregistering): Released all slaves bond1225 (unregistering): Released all slaves netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463 bond1224 (unregistering): Released all slaves bond1223 (unregistering): Released all slaves bond1222 (unregistering): Released all slaves bond1221 (unregistering): Released all slaves bond1220 (unregistering): Released all slaves netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351 bond1219 (unregistering): Released all slaves bond1218 (unregistering): Released all slaves bond1217 (unregistering): Released all slaves bond1216 (unregistering): Released all slaves bond1215 (unregistering): Released all slaves bond1214 (unregistering): Released all slaves netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917 bond1213 (unregistering): Released all slaves bond1212 (unregistering): Released all slaves bond1211 (unregistering): Released all slaves bond1210 (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 bond1209 (unregistering): Released all slaves bond1208 (unregistering): Released all slaves bond1207 (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 bond1206 (unregistering): Released all slaves entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fc8c2aee8ac Code: Bad RIP value. RSP: 002b:00007ffdab86b8a0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c bond1205 (unregistering): Released all slaves RAX: ffffffffffffffda RBX: 00007fc8c3b87320 RCX: 00007fc8c2aee8ac RDX: 0000000000000020 RSI: 00007fc8c3b87370 RDI: 0000000000000003 bond1204 (unregistering): Released all slaves RBP: 0000000000000000 R08: 00007ffdab86b8f4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 bond1203 (unregistering): Released all slaves R13: 00007fc8c3b87370 R14: 0000000000000003 R15: 0000000000000000 INFO: task syz-executor.3:9026 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.3 D24720 9026 1 0x00000004 bond1202 (unregistering): Released all slaves Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 bond1201 (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 bond1200 (unregistering): Released all slaves bond1199 (unregistering): Released all slaves rtnl_lock net/core/rtnetlink.c:77 [inline] rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond1198 (unregistering): Released all slaves bond1197 (unregistering): Released all slaves netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463 bond1196 (unregistering): Released all slaves netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351 bond1195 (unregistering): Released all slaves bond1194 (unregistering): Released all slaves netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917 bond1193 (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 bond1192 (unregistering): Released all slaves bond1191 (unregistering): Released all slaves bond1190 (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 bond1189 (unregistering): Released all slaves do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe bond1188 (unregistering): Released all slaves RIP: 0033:0x7f3ca424f8ac Code: Bad RIP value. RSP: 002b:00007ffc93417af0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c bond1187 (unregistering): Released all slaves RAX: ffffffffffffffda RBX: 00007f3ca52e8320 RCX: 00007f3ca424f8ac RDX: 0000000000000044 RSI: 00007f3ca52e8370 RDI: 0000000000000003 bond1186 (unregistering): Released all slaves RBP: 0000000000000000 R08: 00007ffc93417b44 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 bond1185 (unregistering): Released all slaves R13: 00007f3ca52e8370 R14: 0000000000000003 R15: 0000000000000000 Showing all locks held in the system: bond1184 (unregistering): Released all slaves 2 locks held by kworker/u4:0/7: 1 lock held by khungtaskd/1571: #0: 0000000001e4f65f (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 2 locks held by kworker/1:2/3687: #0: 000000001d3862b3 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline] #0: 000000001d3862b3 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 #1: 0000000001e4f65f (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 0000000001e4f65f (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857 bond1183 (unregistering): Released all slaves 3 locks held by kworker/0:2/4385: #0: 00000000080e6d5a ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 bond1182 (unregistering): Released all slaves #1: 000000006939792a ((work_completion)(&(&ifa->dad_work)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 0000000045f9b082 (rtnl_mutex){+.+.}, at: addrconf_dad_work+0x9c/0x10a0 net/ipv6/addrconf.c:3989 bond1181 (unregistering): Released all slaves 1 lock held by in:imklog/7821: #0: 0000000004d48ef3 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 bond1180 (unregistering): Released all slaves 3 locks held by kworker/1:4/9376: #0: 00000000080e6d5a ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 bond1179 (unregistering): Released all slaves #1: 00000000d7f77c96 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 0000000045f9b082 (rtnl_mutex){+.+.}, at: addrconf_dad_work+0x9c/0x10a0 net/ipv6/addrconf.c:3989 bond1178 (unregistering): Released all slaves 3 locks held by kworker/0:1/28200: #0: 00000000d9db3581 ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 0000000060b836b3 (deferred_process_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 bond1177 (unregistering): Released all slaves #2: 0000000045f9b082 (rtnl_mutex){+.+.}, at: switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:150 bond1176 (unregistering): Released all slaves 3 locks held by kworker/1:3/23208: #0: 00000000d9db3581 ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 bond1175 (unregistering): Released all slaves bond1174 (unregistering): Released all slaves #1: 00000000be705de5 ((linkwatch_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 bond1173 (unregistering): Released all slaves #2: 0000000045f9b082 (rtnl_mutex){+.+.}, at: linkwatch_event+0xb/0x60 net/core/link_watch.c:236 bond1172 (unregistering): Released all slaves 7 locks held by kworker/u4:6/18254: bond1171 (unregistering): Released all slaves 1 lock held by syz-executor.0/8880: bond1170 (unregistering): Released all slaves #0: 0000000045f9b082 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 0000000045f9b082 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond1169 (unregistering): Released all slaves 1 lock held by syz-executor.2/8911: #0: 0000000045f9b082 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 0000000045f9b082 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 1 lock held by syz-executor.5/8912: #0: 0000000045f9b082 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 0000000045f9b082 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond1168 (unregistering): Released all slaves 1 lock held by syz-executor.4/8914: #0: 0000000045f9b082 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 0000000045f9b082 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 1 lock held by syz-executor.1/8918: bond1167 (unregistering): Released all slaves #0: 0000000045f9b082 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 0000000045f9b082 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 bond1166 (unregistering): Released all slaves 1 lock held by syz-executor.3/9026: bond1165 (unregistering): Released all slaves #0: 0000000045f9b082 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 0000000045f9b082 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 ============================================= bond1164 (unregistering): Released all slaves NMI backtrace for cpu 0 CPU: 0 PID: 1571 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 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 bond1163 (unregistering): Released all slaves 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 kthread+0x33f/0x460 kernel/kthread.c:259 bond1162 (unregistering): Released all slaves ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_nc_worker RIP: 0010:arch_local_save_flags arch/x86/include/asm/paravirt.h:784 [inline] RIP: 0010:lockdep_hardirqs_on+0x13b/0x5c0 kernel/locking/lockdep.c:2867 Code: 82 f1 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 48 04 00 00 48 83 3d ec 2a a6 08 00 0f 84 60 03 00 00 9c <58> 0f 1f 44 00 00 f6 c4 02 0f 85 b5 03 00 00 48 b8 00 00 00 00 00 RSP: 0018:ffff8880b5a47c00 EFLAGS: 00000086 RAX: 1ffffffff13e3050 RBX: ffffffff8d243760 RCX: 1ffffffff148be2c RDX: dffffc0000000000 RSI: ffffffff8167a995 RDI: ffff8880b5a36a10 RBP: ffffffff813922a9 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b5a361c0 R13: ffffffff87d8da80 R14: 0000000000000014 R15: ffff8880359415c0 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6ab5ee0008 CR3: 00000000a11a3000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: spin_unlock_bh include/linux/spinlock.h:374 [inline] batadv_nc_purge_paths+0x22d/0x310 net/batman-adv/network-coding.c:482 ---------------- Code disassembly (best guess), 3 bytes skipped: 0: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 7: fc ff df a: 48 c1 e8 03 shr $0x3,%rax e: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1) 12: 0f 85 48 04 00 00 jne 0x460 18: 48 83 3d ec 2a a6 08 cmpq $0x0,0x8a62aec(%rip) # 0x8a62b0c 1f: 00 20: 0f 84 60 03 00 00 je 0x386 26: 9c pushfq * 27: 58 pop %rax <-- trapping instruction 28: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 2d: f6 c4 02 test $0x2,%ah 30: 0f 85 b5 03 00 00 jne 0x3eb 36: 48 rex.W 37: b8 00 00 00 00 mov $0x0,%eax