IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 8021q: adding VLAN 0 to HW filter on device team0 8021q: adding VLAN 0 to HW filter on device team0 INFO: task syz-executor4:10107 blocked for more than 143 seconds. Not tainted 5.7.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor4 D26296 10107 6343 0x00004004 Call Trace: context_switch kernel/sched/core.c:3372 [inline] __schedule+0x85b/0x1960 kernel/sched/core.c:4088 schedule+0xc3/0x2b0 kernel/sched/core.c:4163 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4222 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x8b5/0x1410 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 genl_lock net/netlink/genetlink.c:33 [inline] ctrl_getfamily+0x2c0/0x400 net/netlink/genetlink.c:982 genl_family_rcv_msg_doit net/netlink/genetlink.c:673 [inline] genl_family_rcv_msg net/netlink/genetlink.c:718 [inline] genl_rcv_msg+0x5e1/0x10f0 net/netlink/genetlink.c:735 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2469 genl_rcv+0x23/0x40 net/netlink/genetlink.c:746 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x479/0x6c0 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x7ab/0xd50 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:672 ____sys_sendmsg+0x609/0x980 net/socket.c:2362 ___sys_sendmsg+0xe4/0x160 net/socket.c:2416 __sys_sendmsg+0xd9/0x180 net/socket.c:2449 __do_sys_sendmsg net/socket.c:2458 [inline] __se_sys_sendmsg net/socket.c:2456 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2456 do_syscall_64+0xd0/0x630 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x411231 Code: Bad RIP value. RSP: 002b:00007fda5b2a69c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000411231 RDX: 0000000000000000 RSI: 00007fda5b2a6a00 RDI: 0000000000000007 RBP: 0000000000000007 R08: 00007fda5b2a69d0 R09: 000000000072bf00 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fda5b2a6a40 R13: 00000000004cc538 R14: 00000000004d9a08 R15: 00000000ffffffff INFO: task syz-executor3:10103 blocked for more than 143 seconds. Not tainted 5.7.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor3 D26296 10103 6339 0x00004004 Call Trace: context_switch kernel/sched/core.c:3372 [inline] __schedule+0x85b/0x1960 kernel/sched/core.c:4088 schedule+0xc3/0x2b0 kernel/sched/core.c:4163 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4222 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x8b5/0x1410 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 genl_lock net/netlink/genetlink.c:33 [inline] ctrl_getfamily+0x2c0/0x400 net/netlink/genetlink.c:982 genl_family_rcv_msg_doit net/netlink/genetlink.c:673 [inline] genl_family_rcv_msg net/netlink/genetlink.c:718 [inline] genl_rcv_msg+0x5e1/0x10f0 net/netlink/genetlink.c:735 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2469 genl_rcv+0x23/0x40 net/netlink/genetlink.c:746 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x479/0x6c0 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x7ab/0xd50 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:672 ____sys_sendmsg+0x609/0x980 net/socket.c:2362 ___sys_sendmsg+0xe4/0x160 net/socket.c:2416 __sys_sendmsg+0xd9/0x180 net/socket.c:2449 __do_sys_sendmsg net/socket.c:2458 [inline] __se_sys_sendmsg net/socket.c:2456 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2456 do_syscall_64+0xd0/0x630 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x411231 Code: Bad RIP value. RSP: 002b:00007fe74039c9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000411231 RDX: 0000000000000000 RSI: 00007fe74039ca00 RDI: 0000000000000007 RBP: 0000000000000007 R08: 00007fe74039c9d0 R09: 000000000072bf00 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fe74039ca40 R13: 00000000004cc538 R14: 00000000004d9a08 R15: 00000000ffffffff INFO: task syz-executor2:10109 blocked for more than 144 seconds. Not tainted 5.7.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor2 D26296 10109 6341 0x00000004 Call Trace: context_switch kernel/sched/core.c:3372 [inline] __schedule+0x85b/0x1960 kernel/sched/core.c:4088 schedule+0xc3/0x2b0 kernel/sched/core.c:4163 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4222 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x8b5/0x1410 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x66e/0x10f0 net/netlink/genetlink.c:733 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2469 genl_rcv+0x23/0x40 net/netlink/genetlink.c:746 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x479/0x6c0 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x7ab/0xd50 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:672 ____sys_sendmsg+0x609/0x980 net/socket.c:2362 ___sys_sendmsg+0xe4/0x160 net/socket.c:2416 __sys_sendmsg+0xd9/0x180 net/socket.c:2449 __do_sys_sendmsg net/socket.c:2458 [inline] __se_sys_sendmsg net/socket.c:2456 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2456 do_syscall_64+0xd0/0x630 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x411231 Code: Bad RIP value. RSP: 002b:00007ff4d0b049c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000411231 RDX: 0000000000000000 RSI: 00007ff4d0b04a00 RDI: 0000000000000007 RBP: 0000000000000007 R08: 00007ff4d0b049d0 R09: 000000000072bf00 R10: 0000000000000000 R11: 0000000000000293 R12: 00007ff4d0b04a40 R13: 00000000004cc538 R14: 00000000004d9a08 R15: 00000000ffffffff INFO: task syz-executor2:10130 blocked for more than 144 seconds. Not tainted 5.7.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor2 D28400 10130 6341 0x00000004 Call Trace: context_switch kernel/sched/core.c:3372 [inline] __schedule+0x85b/0x1960 kernel/sched/core.c:4088 schedule+0xc3/0x2b0 kernel/sched/core.c:4163 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4222 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x8b5/0x1410 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x66e/0x10f0 net/netlink/genetlink.c:733 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2469 genl_rcv+0x23/0x40 net/netlink/genetlink.c:746 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x479/0x6c0 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x7ab/0xd50 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:672 ____sys_sendmsg+0x609/0x980 net/socket.c:2362 ___sys_sendmsg+0xe4/0x160 net/socket.c:2416 __sys_sendmsg+0xd9/0x180 net/socket.c:2449 __do_sys_sendmsg net/socket.c:2458 [inline] __se_sys_sendmsg net/socket.c:2456 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2456 do_syscall_64+0xd0/0x630 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x411231 Code: Bad RIP value. RSP: 002b:00007ff4d0ae39c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007ff4d0ae3a58 RCX: 0000000000411231 RDX: 0000000000000000 RSI: 00007ff4d0ae3a00 RDI: 0000000000000008 RBP: 0000000000000008 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007ff4d0ae3a40 R13: 00000000004cc510 R14: 00000000004d99f0 R15: 00000000ffffffff INFO: task syz-executor0:10120 blocked for more than 144 seconds. Not tainted 5.7.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor0 D27560 10120 6345 0x00004004 Call Trace: context_switch kernel/sched/core.c:3372 [inline] __schedule+0x85b/0x1960 kernel/sched/core.c:4088 schedule+0xc3/0x2b0 kernel/sched/core.c:4163 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4222 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x8b5/0x1410 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 genl_lock net/netlink/genetlink.c:33 [inline] ctrl_getfamily+0x2c0/0x400 net/netlink/genetlink.c:982 genl_family_rcv_msg_doit net/netlink/genetlink.c:673 [inline] genl_family_rcv_msg net/netlink/genetlink.c:718 [inline] genl_rcv_msg+0x5e1/0x10f0 net/netlink/genetlink.c:735 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2469 genl_rcv+0x23/0x40 net/netlink/genetlink.c:746 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x479/0x6c0 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x7ab/0xd50 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:672 ____sys_sendmsg+0x609/0x980 net/socket.c:2362 ___sys_sendmsg+0xe4/0x160 net/socket.c:2416 __sys_sendmsg+0xd9/0x180 net/socket.c:2449 __do_sys_sendmsg net/socket.c:2458 [inline] __se_sys_sendmsg net/socket.c:2456 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2456 do_syscall_64+0xd0/0x630 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x411231 Code: Bad RIP value. RSP: 002b:00007f44ff7c29c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000411231 RDX: 0000000000000000 RSI: 00007f44ff7c2a00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 00007f44ff7c29d0 R09: 000000000072bf00 R10: ffffffffffffffff R11: 0000000000000293 R12: 00007f44ff7c2a40 R13: 00000000004cc538 R14: 00000000004d9a08 R15: 00000000ffffffff INFO: task syz-executor0:10135 blocked for more than 145 seconds. Not tainted 5.7.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor0 D28400 10135 6345 0x00000004 Call Trace: context_switch kernel/sched/core.c:3372 [inline] __schedule+0x85b/0x1960 kernel/sched/core.c:4088 schedule+0xc3/0x2b0 kernel/sched/core.c:4163 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4222 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x8b5/0x1410 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x66e/0x10f0 net/netlink/genetlink.c:733 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2469 genl_rcv+0x23/0x40 net/netlink/genetlink.c:746 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x479/0x6c0 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x7ab/0xd50 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:672 ____sys_sendmsg+0x609/0x980 net/socket.c:2362 ___sys_sendmsg+0xe4/0x160 net/socket.c:2416 __sys_sendmsg+0xd9/0x180 net/socket.c:2449 __do_sys_sendmsg net/socket.c:2458 [inline] __se_sys_sendmsg net/socket.c:2456 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2456 do_syscall_64+0xd0/0x630 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x411231 Code: Bad RIP value. RSP: 002b:00007f44ff7a19c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f44ff7a1a58 RCX: 0000000000411231 RDX: 0000000000000000 RSI: 00007f44ff7a1a00 RDI: 0000000000000006 RBP: 0000000000000006 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f44ff7a1a40 R13: 00000000004cc510 R14: 00000000004d99f0 R15: 00000000ffffffff INFO: task syz-executor0:10142 blocked for more than 145 seconds. Not tainted 5.7.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor0 D26800 10142 6345 0x00004004 Call Trace: context_switch kernel/sched/core.c:3372 [inline] __schedule+0x85b/0x1960 kernel/sched/core.c:4088 schedule+0xc3/0x2b0 kernel/sched/core.c:4163 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4222 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x8b5/0x1410 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x66e/0x10f0 net/netlink/genetlink.c:733 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2469 genl_rcv+0x23/0x40 net/netlink/genetlink.c:746 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x479/0x6c0 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x7ab/0xd50 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:672 ____sys_sendmsg+0x609/0x980 net/socket.c:2362 ___sys_sendmsg+0xe4/0x160 net/socket.c:2416 __sys_sendmsg+0xd9/0x180 net/socket.c:2449 __do_sys_sendmsg net/socket.c:2458 [inline] __se_sys_sendmsg net/socket.c:2456 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2456 do_syscall_64+0xd0/0x630 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x411231 Code: Bad RIP value. RSP: 002b:00007f44ff7809c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000411231 RDX: 0000000000000000 RSI: 00007f44ff780a00 RDI: 0000000000000009 RBP: 0000000000000009 R08: 00007f44ff7809d0 R09: 000000000072c040 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f44ff780a40 R13: 00000000004cc538 R14: 00000000004d9a08 R15: 00000000ffffffff INFO: task syz-executor0:10145 blocked for more than 145 seconds. Not tainted 5.7.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor0 D28400 10145 6345 0x00000004 Call Trace: context_switch kernel/sched/core.c:3372 [inline] __schedule+0x85b/0x1960 kernel/sched/core.c:4088 schedule+0xc3/0x2b0 kernel/sched/core.c:4163 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4222 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x8b5/0x1410 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x66e/0x10f0 net/netlink/genetlink.c:733 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2469 genl_rcv+0x23/0x40 net/netlink/genetlink.c:746 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x479/0x6c0 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x7ab/0xd50 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:672 ____sys_sendmsg+0x609/0x980 net/socket.c:2362 ___sys_sendmsg+0xe4/0x160 net/socket.c:2416 __sys_sendmsg+0xd9/0x180 net/socket.c:2449 __do_sys_sendmsg net/socket.c:2458 [inline] __se_sys_sendmsg net/socket.c:2456 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2456 do_syscall_64+0xd0/0x630 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x411231 Code: Bad RIP value. RSP: 002b:00007f44ff75f9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f44ff75fa58 RCX: 0000000000411231 RDX: 0000000000000000 RSI: 00007f44ff75fa00 RDI: 000000000000000a RBP: 000000000000000a R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f44ff75fa40 R13: 00000000004cc510 R14: 00000000004d99f0 R15: 00000000ffffffff INFO: task syz-executor1:10122 blocked for more than 146 seconds. Not tainted 5.7.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D28400 10122 6350 0x00000004 Call Trace: context_switch kernel/sched/core.c:3372 [inline] __schedule+0x85b/0x1960 kernel/sched/core.c:4088 schedule+0xc3/0x2b0 kernel/sched/core.c:4163 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4222 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x8b5/0x1410 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x66e/0x10f0 net/netlink/genetlink.c:733 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2469 genl_rcv+0x23/0x40 net/netlink/genetlink.c:746 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x479/0x6c0 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x7ab/0xd50 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:672 ____sys_sendmsg+0x609/0x980 net/socket.c:2362 ___sys_sendmsg+0xe4/0x160 net/socket.c:2416 __sys_sendmsg+0xd9/0x180 net/socket.c:2449 __do_sys_sendmsg net/socket.c:2458 [inline] __se_sys_sendmsg net/socket.c:2456 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2456 do_syscall_64+0xd0/0x630 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x411231 Code: Bad RIP value. RSP: 002b:00007f3da883a9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000411231 RDX: 0000000000000000 RSI: 00007f3da883aa00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 00007f3da883a9d0 R09: 000000000072bf00 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f3da883aa40 R13: 00000000004cc538 R14: 00000000004d9a08 R15: 00000000ffffffff INFO: task syz-executor1:10137 blocked for more than 146 seconds. Not tainted 5.7.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D28400 10137 6350 0x00000004 Call Trace: context_switch kernel/sched/core.c:3372 [inline] __schedule+0x85b/0x1960 kernel/sched/core.c:4088 schedule+0xc3/0x2b0 kernel/sched/core.c:4163 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4222 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x8b5/0x1410 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x66e/0x10f0 net/netlink/genetlink.c:733 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2469 genl_rcv+0x23/0x40 net/netlink/genetlink.c:746 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x479/0x6c0 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x7ab/0xd50 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:672 ____sys_sendmsg+0x609/0x980 net/socket.c:2362 ___sys_sendmsg+0xe4/0x160 net/socket.c:2416 __sys_sendmsg+0xd9/0x180 net/socket.c:2449 __do_sys_sendmsg net/socket.c:2458 [inline] __se_sys_sendmsg net/socket.c:2456 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2456 do_syscall_64+0xd0/0x630 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x411231 Code: Bad RIP value. RSP: 002b:00007f3da88199c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f3da8819a58 RCX: 0000000000411231 RDX: 0000000000000000 RSI: 00007f3da8819a00 RDI: 0000000000000006 RBP: 0000000000000006 R08: 000000000000000b R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000293 R12: 00007f3da8819a40 R13: 00000000004cc510 R14: 00000000004d99f0 R15: 00000000ffffffff Showing all locks held in the system: 1 lock held by khungtaskd/1063: #0: ffffffff885b6880 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x5b/0x275 kernel/locking/lockdep.c:5756 1 lock held by in:imklog/5954: #0: ffff8881d13c8db0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xa9/0xc0 fs/file.c:826 2 locks held by syz-executor4/10107: #0: ffffffff88ffe770 (cb_lock){++++}-{3:3}, at: ctrl_getfamily+0x2b2/0x400 net/netlink/genetlink.c:981 #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: ctrl_getfamily+0x2c0/0x400 net/netlink/genetlink.c:982 2 locks held by syz-executor3/10103: #0: ffffffff88ffe770 (cb_lock){++++}-{3:3}, at: ctrl_getfamily+0x2b2/0x400 net/netlink/genetlink.c:981 #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: ctrl_getfamily+0x2c0/0x400 net/netlink/genetlink.c:982 3 locks held by syz-executor3/10121: 2 locks held by syz-executor2/10109: #0: ffffffff88ffe770 (cb_lock){++++}-{3:3}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:745 #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x66e/0x10f0 net/netlink/genetlink.c:733 2 locks held by syz-executor2/10130: #0: ffffffff88ffe770 (cb_lock){++++}-{3:3}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:745 #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x66e/0x10f0 net/netlink/genetlink.c:733 2 locks held by syz-executor0/10120: #0: ffffffff88ffe770 (cb_lock){++++}-{3:3}, at: ctrl_getfamily+0x2b2/0x400 net/netlink/genetlink.c:981 #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: ctrl_getfamily+0x2c0/0x400 net/netlink/genetlink.c:982 2 locks held by syz-executor0/10135: #0: ffffffff88ffe770 (cb_lock){++++}-{3:3}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:745 #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x66e/0x10f0 net/netlink/genetlink.c:733 2 locks held by syz-executor0/10142: #0: ffffffff88ffe770 (cb_lock){++++}-{3:3}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:745 #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x66e/0x10f0 net/netlink/genetlink.c:733 2 locks held by syz-executor0/10145: #0: ffffffff88ffe770 (cb_lock){++++}-{3:3}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:745 #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x66e/0x10f0 net/netlink/genetlink.c:733 2 locks held by syz-executor1/10122: #0: ffffffff88ffe770 (cb_lock){++++}-{3:3}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:745 #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x66e/0x10f0 net/netlink/genetlink.c:733 2 locks held by syz-executor1/10137: #0: ffffffff88ffe770 (cb_lock){++++}-{3:3}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:745 #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x66e/0x10f0 net/netlink/genetlink.c:733 2 locks held by syz-executor1/10143: #0: ffffffff88ffe770 (cb_lock){++++}-{3:3}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:745 #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x66e/0x10f0 net/netlink/genetlink.c:733 2 locks held by syz-executor1/10146: #0: ffffffff88ffe770 (cb_lock){++++}-{3:3}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:745 #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x66e/0x10f0 net/netlink/genetlink.c:733 2 locks held by syz-executor5/10131: #0: ffffffff88ffe770 (cb_lock){++++}-{3:3}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:745 #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x66e/0x10f0 net/netlink/genetlink.c:733 2 locks held by syz-executor5/10139: #0: ffffffff88ffe770 (cb_lock){++++}-{3:3}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:745 #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x66e/0x10f0 net/netlink/genetlink.c:733 2 locks held by syz-executor5/10144: #0: ffffffff88ffe770 (cb_lock){++++}-{3:3}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:745 #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x66e/0x10f0 net/netlink/genetlink.c:733 2 locks held by syz-executor5/10149: #0: ffffffff88ffe770 (cb_lock){++++}-{3:3}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:745 #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88ffe828 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x66e/0x10f0 net/netlink/genetlink.c:733 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1063 Comm: khungtaskd Not tainted 5.7.0-rc2-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+0x12d/0x187 lib/dump_stack.c:118 nmi_cpu_backtrace.cold.7+0x4b/0x84 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x18b/0x1b7 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:205 [inline] watchdog+0x611/0xc50 kernel/hung_task.c:289 kthread+0x357/0x420 kernel/kthread.c:268 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 10121 Comm: syz-executor3 Not tainted 5.7.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:match_held_lock+0x12/0x5b0 kernel/locking/lockdep.c:4413 Code: 28 4e 00 e9 f3 fe ff ff e8 bb 28 4e 00 eb a7 66 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 41 57 41 56 <41> 55 41 54 49 89 fc 48 83 c7 10 48 89 fa 53 48 c1 ea 03 48 83 ec RSP: 0018:ffff8881ba0d6b48 EFLAGS: 00000006 RAX: dffffc0000000000 RBX: ffffed103b06a540 RCX: ffff8881d8352a08 RDX: 1ffff1103b06a540 RSI: ffffffff885b6880 RDI: ffff8881d8352a08 RBP: ffff8881ba0d6b58 R08: ffffed103b627064 R09: ffffed103b627064 R10: ffff8881db13831b R11: ffffed103b627063 R12: ffff8881d8352a00 R13: ffff8881d8352140 R14: 0000000000000000 R15: ffff8881d8352a08 FS: 00007fe74037c700(0000) GS:ffff8881db100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa98a8b4000 CR3: 00000001b954f000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __lock_is_held kernel/locking/lockdep.c:4708 [inline] lock_is_held_type+0x1b1/0x350 kernel/locking/lockdep.c:4971 lock_is_held include/linux/lockdep.h:406 [inline] rcu_read_lock_held+0x9c/0xb0 kernel/rcu/update.c:307 net_generic include/net/netns/generic.h:45 [inline] tipc_sk_lookup+0x59d/0x8c0 net/tipc/socket.c:2902 tipc_nl_publ_dump+0x2df/0xca0 net/tipc/socket.c:3716 __tipc_nl_compat_dumpit.isra.11+0x32a/0xc10 net/tipc/netlink_compat.c:224 tipc_nl_compat_publ_dump net/tipc/netlink_compat.c:1022 [inline] tipc_nl_compat_sk_dump+0x4ed/0x990 net/tipc/netlink_compat.c:1074 __tipc_nl_compat_dumpit.isra.11+0x44f/0xc10 net/tipc/netlink_compat.c:235 tipc_nl_compat_dumpit+0x1e6/0x4c0 net/tipc/netlink_compat.c:308 tipc_nl_compat_handle net/tipc/netlink_compat.c:1248 [inline] tipc_nl_compat_recv+0x45a/0xa70 net/tipc/netlink_compat.c:1311 genl_family_rcv_msg_doit net/netlink/genetlink.c:673 [inline] genl_family_rcv_msg net/netlink/genetlink.c:718 [inline] genl_rcv_msg+0x5e1/0x10f0 net/netlink/genetlink.c:735 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2469 genl_rcv+0x23/0x40 net/netlink/genetlink.c:746 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x479/0x6c0 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x7ab/0xd50 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:672 ____sys_sendmsg+0x609/0x980 net/socket.c:2362 ___sys_sendmsg+0xe4/0x160 net/socket.c:2416 __sys_sendmsg+0xd9/0x180 net/socket.c:2449 __do_sys_sendmsg net/socket.c:2458 [inline] __se_sys_sendmsg net/socket.c:2456 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2456 do_syscall_64+0xd0/0x630 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x4577a9 Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fe74037bc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004577a9 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000005 RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe74037c6d4 R13: 00000000004c4211 R14: 00000000004d70f8 R15: 00000000ffffffff