IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready 8021q: adding VLAN 0 to HW filter on device batadv0 BUG: sleeping function called from invalid context at kernel/locking/mutex.c:908 in_atomic(): 1, irqs_disabled(): 0, pid: 7148, name: syz-executor.5 2 locks held by syz-executor.5/7148: #0: 0000000060b6dcca (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:76 [inline] #0: 0000000060b6dcca (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x301/0x8f0 net/core/rtnetlink.c:5189 #1: 00000000c0de33e4 (&(&sch->q.lock)->rlock){+...}, at: spin_lock_bh include/linux/spinlock.h:334 [inline] #1: 00000000c0de33e4 (&(&sch->q.lock)->rlock){+...}, at: sch_tree_lock include/net/sch_generic.h:505 [inline] #1: 00000000c0de33e4 (&(&sch->q.lock)->rlock){+...}, at: sfb_change+0x1b2/0xb20 net/sched/sch_sfb.c:522 Preemption disabled at: [] spin_lock_bh include/linux/spinlock.h:334 [inline] [] sch_tree_lock include/net/sch_generic.h:505 [inline] [] sfb_change+0x1b2/0xb20 net/sched/sch_sfb.c:522 CPU: 0 PID: 7148 Comm: syz-executor.5 Not tainted 5.0.0-rc5+ #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+0x113/0x167 lib/dump_stack.c:113 ___might_sleep.cold.87+0x1bb/0x1f4 kernel/sched/core.c:6161 __might_sleep+0x95/0x190 kernel/sched/core.c:6114 __mutex_lock_common kernel/locking/mutex.c:908 [inline] __mutex_lock+0xc7/0x1210 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 refcount_dec_and_mutex_lock+0x29/0x50 lib/refcount.c:311 __tcf_block_put+0x29/0x5e0 net/sched/cls_api.c:895 tcf_block_put_ext.part.51+0x57/0x70 net/sched/cls_api.c:1193 tcf_block_put_ext net/sched/cls_api.c:1188 [inline] tcf_block_put+0xae/0xf0 net/sched/cls_api.c:1203 sfb_destroy+0x32/0x70 net/sched/sch_sfb.c:471 qdisc_destroy+0xe4/0x610 net/sched/sch_generic.c:977 qdisc_put+0x47/0x60 net/sched/sch_generic.c:1001 sfb_change+0x270/0xb20 net/sched/sch_sfb.c:526 qdisc_change net/sched/sch_api.c:1314 [inline] tc_modify_qdisc+0xc31/0x1950 net/sched/sch_api.c:1616 rtnetlink_rcv_msg+0x34f/0x8f0 net/core/rtnetlink.c:5192 netlink_rcv_skb+0x13c/0x380 net/netlink/af_netlink.c:2485 rtnetlink_rcv+0x10/0x20 net/core/rtnetlink.c:5210 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x43f/0x630 net/netlink/af_netlink.c:1336 netlink_sendmsg+0x765/0xc50 net/netlink/af_netlink.c:1925 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xb5/0xf0 net/socket.c:631 ___sys_sendmsg+0x647/0x950 net/socket.c:2136 __sys_sendmsg+0xd9/0x180 net/socket.c:2174 __do_sys_sendmsg net/socket.c:2183 [inline] __se_sys_sendmsg net/socket.c:2181 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2181 do_syscall_64+0xd0/0x4d0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4598e9 Code: fd b7 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 b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f237013cc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9 RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000007 RBP: 000000000075c118 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f237013d6d4 R13: 00000000004c77fb R14: 00000000004dd098 R15: 00000000ffffffff BUG: sleeping function called from invalid context at kernel/locking/mutex.c:908 in_atomic(): 1, irqs_disabled(): 0, pid: 7192, name: syz-executor.0 2 locks held by syz-executor.0/7192: #0: 0000000060b6dcca (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:76 [inline] #0: 0000000060b6dcca (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x301/0x8f0 net/core/rtnetlink.c:5189 #1: 00000000fab55196 (&(&sch->q.lock)->rlock){+...}, at: spin_lock_bh include/linux/spinlock.h:334 [inline] #1: 00000000fab55196 (&(&sch->q.lock)->rlock){+...}, at: sch_tree_lock include/net/sch_generic.h:505 [inline] #1: 00000000fab55196 (&(&sch->q.lock)->rlock){+...}, at: sfb_change+0x1b2/0xb20 net/sched/sch_sfb.c:522 Preemption disabled at: [] spin_lock_bh include/linux/spinlock.h:334 [inline] [] sch_tree_lock include/net/sch_generic.h:505 [inline] [] sfb_change+0x1b2/0xb20 net/sched/sch_sfb.c:522 CPU: 0 PID: 7192 Comm: syz-executor.0 Tainted: G W 5.0.0-rc5+ #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+0x113/0x167 lib/dump_stack.c:113 ___might_sleep.cold.87+0x1bb/0x1f4 kernel/sched/core.c:6161 __might_sleep+0x95/0x190 kernel/sched/core.c:6114 __mutex_lock_common kernel/locking/mutex.c:908 [inline] __mutex_lock+0xc7/0x1210 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 refcount_dec_and_mutex_lock+0x29/0x50 lib/refcount.c:311 __tcf_block_put+0x29/0x5e0 net/sched/cls_api.c:895 tcf_block_put_ext.part.51+0x57/0x70 net/sched/cls_api.c:1193 tcf_block_put_ext net/sched/cls_api.c:1188 [inline] tcf_block_put+0xae/0xf0 net/sched/cls_api.c:1203 sfb_destroy+0x32/0x70 net/sched/sch_sfb.c:471 qdisc_destroy+0xe4/0x610 net/sched/sch_generic.c:977 qdisc_put+0x47/0x60 net/sched/sch_generic.c:1001 sfb_change+0x270/0xb20 net/sched/sch_sfb.c:526 qdisc_change net/sched/sch_api.c:1314 [inline] tc_modify_qdisc+0xc31/0x1950 net/sched/sch_api.c:1616 rtnetlink_rcv_msg+0x34f/0x8f0 net/core/rtnetlink.c:5192 netlink_rcv_skb+0x13c/0x380 net/netlink/af_netlink.c:2485 rtnetlink_rcv+0x10/0x20 net/core/rtnetlink.c:5210 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x43f/0x630 net/netlink/af_netlink.c:1336 netlink_sendmsg+0x765/0xc50 net/netlink/af_netlink.c:1925 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xb5/0xf0 net/socket.c:631 ___sys_sendmsg+0x647/0x950 net/socket.c:2136 __sys_sendmsg+0xd9/0x180 net/socket.c:2174 __do_sys_sendmsg net/socket.c:2183 [inline] __se_sys_sendmsg net/socket.c:2181 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2181 do_syscall_64+0xd0/0x4d0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4598e9 Code: fd b7 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 b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fb0eacc0c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9 RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000007 RBP: 000000000075c118 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb0eacc16d4 R13: 00000000004c77fb R14: 00000000004dd098 R15: 00000000ffffffff BUG: sleeping function called from invalid context at kernel/locking/mutex.c:908 in_atomic(): 1, irqs_disabled(): 0, pid: 7241, name: syz-executor.2 2 locks held by syz-executor.2/7241: #0: 0000000060b6dcca (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:76 [inline] #0: 0000000060b6dcca (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x301/0x8f0 net/core/rtnetlink.c:5189 #1: 00000000ce2672a5 (&(&sch->q.lock)->rlock){+...}, at: spin_lock_bh include/linux/spinlock.h:334 [inline] #1: 00000000ce2672a5 (&(&sch->q.lock)->rlock){+...}, at: sch_tree_lock include/net/sch_generic.h:505 [inline] #1: 00000000ce2672a5 (&(&sch->q.lock)->rlock){+...}, at: sfb_change+0x1b2/0xb20 net/sched/sch_sfb.c:522 Preemption disabled at: [] spin_lock_bh include/linux/spinlock.h:334 [inline] [] sch_tree_lock include/net/sch_generic.h:505 [inline] [] sfb_change+0x1b2/0xb20 net/sched/sch_sfb.c:522 CPU: 1 PID: 7241 Comm: syz-executor.2 Tainted: G W 5.0.0-rc5+ #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+0x113/0x167 lib/dump_stack.c:113 ___might_sleep.cold.87+0x1bb/0x1f4 kernel/sched/core.c:6161 __might_sleep+0x95/0x190 kernel/sched/core.c:6114 __mutex_lock_common kernel/locking/mutex.c:908 [inline] __mutex_lock+0xc7/0x1210 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 refcount_dec_and_mutex_lock+0x29/0x50 lib/refcount.c:311 __tcf_block_put+0x29/0x5e0 net/sched/cls_api.c:895 tcf_block_put_ext.part.51+0x57/0x70 net/sched/cls_api.c:1193 tcf_block_put_ext net/sched/cls_api.c:1188 [inline] tcf_block_put+0xae/0xf0 net/sched/cls_api.c:1203 sfb_destroy+0x32/0x70 net/sched/sch_sfb.c:471 qdisc_destroy+0xe4/0x610 net/sched/sch_generic.c:977 qdisc_put+0x47/0x60 net/sched/sch_generic.c:1001 sfb_change+0x270/0xb20 net/sched/sch_sfb.c:526 qdisc_change net/sched/sch_api.c:1314 [inline] tc_modify_qdisc+0xc31/0x1950 net/sched/sch_api.c:1616 rtnetlink_rcv_msg+0x34f/0x8f0 net/core/rtnetlink.c:5192 netlink_rcv_skb+0x13c/0x380 net/netlink/af_netlink.c:2485 rtnetlink_rcv+0x10/0x20 net/core/rtnetlink.c:5210 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x43f/0x630 net/netlink/af_netlink.c:1336 netlink_sendmsg+0x765/0xc50 net/netlink/af_netlink.c:1925 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xb5/0xf0 net/socket.c:631 ___sys_sendmsg+0x647/0x950 net/socket.c:2136 __sys_sendmsg+0xd9/0x180 net/socket.c:2174 __do_sys_sendmsg net/socket.c:2183 [inline] __se_sys_sendmsg net/socket.c:2181 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2181 do_syscall_64+0xd0/0x4d0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4598e9 Code: fd b7 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 b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fb00f5f4c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9 RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000007 RBP: 000000000075c118 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb00f5f56d4 R13: 00000000004c77fb R14: 00000000004dd098 R15: 00000000ffffffff BUG: sleeping function called from invalid context at kernel/locking/mutex.c:908 in_atomic(): 1, irqs_disabled(): 0, pid: 7333, name: syz-executor.3 2 locks held by syz-executor.3/7333: #0: 0000000060b6dcca (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:76 [inline] #0: 0000000060b6dcca (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x301/0x8f0 net/core/rtnetlink.c:5189 #1: 00000000d5a7c725 (&(&sch->q.lock)->rlock){+...}, at: spin_lock_bh include/linux/spinlock.h:334 [inline] #1: 00000000d5a7c725 (&(&sch->q.lock)->rlock){+...}, at: sch_tree_lock include/net/sch_generic.h:505 [inline] #1: 00000000d5a7c725 (&(&sch->q.lock)->rlock){+...}, at: sfb_change+0x1b2/0xb20 net/sched/sch_sfb.c:522 Preemption disabled at: [] spin_lock_bh include/linux/spinlock.h:334 [inline] [] sch_tree_lock include/net/sch_generic.h:505 [inline] [] sfb_change+0x1b2/0xb20 net/sched/sch_sfb.c:522 CPU: 1 PID: 7333 Comm: syz-executor.3 Tainted: G W 5.0.0-rc5+ #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+0x113/0x167 lib/dump_stack.c:113 ___might_sleep.cold.87+0x1bb/0x1f4 kernel/sched/core.c:6161 __might_sleep+0x95/0x190 kernel/sched/core.c:6114 __mutex_lock_common kernel/locking/mutex.c:908 [inline] __mutex_lock+0xc7/0x1210 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 refcount_dec_and_mutex_lock+0x29/0x50 lib/refcount.c:311 __tcf_block_put+0x29/0x5e0 net/sched/cls_api.c:895 tcf_block_put_ext.part.51+0x57/0x70 net/sched/cls_api.c:1193 tcf_block_put_ext net/sched/cls_api.c:1188 [inline] tcf_block_put+0xae/0xf0 net/sched/cls_api.c:1203 sfb_destroy+0x32/0x70 net/sched/sch_sfb.c:471 qdisc_destroy+0xe4/0x610 net/sched/sch_generic.c:977 qdisc_put+0x47/0x60 net/sched/sch_generic.c:1001 sfb_change+0x270/0xb20 net/sched/sch_sfb.c:526 qdisc_change net/sched/sch_api.c:1314 [inline] tc_modify_qdisc+0xc31/0x1950 net/sched/sch_api.c:1616 rtnetlink_rcv_msg+0x34f/0x8f0 net/core/rtnetlink.c:5192 netlink_rcv_skb+0x13c/0x380 net/netlink/af_netlink.c:2485 rtnetlink_rcv+0x10/0x20 net/core/rtnetlink.c:5210 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x43f/0x630 net/netlink/af_netlink.c:1336 netlink_sendmsg+0x765/0xc50 net/netlink/af_netlink.c:1925 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xb5/0xf0 net/socket.c:631 ___sys_sendmsg+0x647/0x950 net/socket.c:2136 __sys_sendmsg+0xd9/0x180 net/socket.c:2174 __do_sys_sendmsg net/socket.c:2183 [inline] __se_sys_sendmsg net/socket.c:2181 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2181 do_syscall_64+0xd0/0x4d0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4598e9 Code: fd b7 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 b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fbd0dbb1c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9 RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000007 RBP: 000000000075c1c0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbd0dbb26d4 R13: 00000000004c77fb R14: 00000000004dd098 R15: 00000000ffffffff BUG: sleeping function called from invalid context at kernel/locking/mutex.c:908 in_atomic(): 1, irqs_disabled(): 0, pid: 7374, name: syz-executor.5 2 locks held by syz-executor.5/7374: #0: 0000000060b6dcca (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:76 [inline] #0: 0000000060b6dcca (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x301/0x8f0 net/core/rtnetlink.c:5189 #1: 00000000ea9038c2 (&(&sch->q.lock)->rlock){+...}, at: spin_lock_bh include/linux/spinlock.h:334 [inline] #1: 00000000ea9038c2 (&(&sch->q.lock)->rlock){+...}, at: sch_tree_lock include/net/sch_generic.h:505 [inline] #1: 00000000ea9038c2 (&(&sch->q.lock)->rlock){+...}, at: sfb_change+0x1b2/0xb20 net/sched/sch_sfb.c:522 Preemption disabled at: [] spin_lock_bh include/linux/spinlock.h:334 [inline] [] sch_tree_lock include/net/sch_generic.h:505 [inline] [] sfb_change+0x1b2/0xb20 net/sched/sch_sfb.c:522 CPU: 0 PID: 7374 Comm: syz-executor.5 Tainted: G W 5.0.0-rc5+ #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+0x113/0x167 lib/dump_stack.c:113 ___might_sleep.cold.87+0x1bb/0x1f4 kernel/sched/core.c:6161 __might_sleep+0x95/0x190 kernel/sched/core.c:6114 __mutex_lock_common kernel/locking/mutex.c:908 [inline] __mutex_lock+0xc7/0x1210 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 refcount_dec_and_mutex_lock+0x29/0x50 lib/refcount.c:311 __tcf_block_put+0x29/0x5e0 net/sched/cls_api.c:895 tcf_block_put_ext.part.51+0x57/0x70 net/sched/cls_api.c:1193 tcf_block_put_ext net/sched/cls_api.c:1188 [inline] tcf_block_put+0xae/0xf0 net/sched/cls_api.c:1203 sfb_destroy+0x32/0x70 net/sched/sch_sfb.c:471 qdisc_destroy+0xe4/0x610 net/sched/sch_generic.c:977 qdisc_put+0x47/0x60 net/sched/sch_generic.c:1001 sfb_change+0x270/0xb20 net/sched/sch_sfb.c:526 qdisc_change net/sched/sch_api.c:1314 [inline] tc_modify_qdisc+0xc31/0x1950 net/sched/sch_api.c:1616 rtnetlink_rcv_msg+0x34f/0x8f0 net/core/rtnetlink.c:5192 netlink_rcv_skb+0x13c/0x380 net/netlink/af_netlink.c:2485 rtnetlink_rcv+0x10/0x20 net/core/rtnetlink.c:5210 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x43f/0x630 net/netlink/af_netlink.c:1336 netlink_sendmsg+0x765/0xc50 net/netlink/af_netlink.c:1925 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xb5/0xf0 net/socket.c:631 ___sys_sendmsg+0x647/0x950 net/socket.c:2136 __sys_sendmsg+0xd9/0x180 net/socket.c:2174 __do_sys_sendmsg net/socket.c:2183 [inline] __se_sys_sendmsg net/socket.c:2181 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2181 do_syscall_64+0xd0/0x4d0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4598e9 Code: fd b7 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 b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f237013cc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9 RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000007 RBP: 000000000075c118 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f237013d6d4 R13: 00000000004c77fb R14: 00000000004dd098 R15: 00000000ffffffff BUG: sleeping function called from invalid context at kernel/locking/mutex.c:908 in_atomic(): 1, irqs_disabled(): 0, pid: 7441, name: syz-executor.3 2 locks held by syz-executor.3/7441: #0: 0000000060b6dcca (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:76 [inline] #0: 0000000060b6dcca (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x301/0x8f0 net/core/rtnetlink.c:5189 #1: 0000000042c37553 (&(&sch->q.lock)->rlock){+...}, at: spin_lock_bh include/linux/spinlock.h:334 [inline] #1: 0000000042c37553 (&(&sch->q.lock)->rlock){+...}, at: sch_tree_lock include/net/sch_generic.h:505 [inline] #1: 0000000042c37553 (&(&sch->q.lock)->rlock){+...}, at: sfb_change+0x1b2/0xb20 net/sched/sch_sfb.c:522 Preemption disabled at: [] spin_lock_bh include/linux/spinlock.h:334 [inline] [] sch_tree_lock include/net/sch_generic.h:505 [inline] [] sfb_change+0x1b2/0xb20 net/sched/sch_sfb.c:522 CPU: 1 PID: 7441 Comm: syz-executor.3 Tainted: G W 5.0.0-rc5+ #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+0x113/0x167 lib/dump_stack.c:113 ___might_sleep.cold.87+0x1bb/0x1f4 kernel/sched/core.c:6161 __might_sleep+0x95/0x190 kernel/sched/core.c:6114 __mutex_lock_common kernel/locking/mutex.c:908 [inline] __mutex_lock+0xc7/0x1210 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 refcount_dec_and_mutex_lock+0x29/0x50 lib/refcount.c:311 __tcf_block_put+0x29/0x5e0 net/sched/cls_api.c:895 tcf_block_put_ext.part.51+0x57/0x70 net/sched/cls_api.c:1193 tcf_block_put_ext net/sched/cls_api.c:1188 [inline] tcf_block_put+0xae/0xf0 net/sched/cls_api.c:1203 sfb_destroy+0x32/0x70 net/sched/sch_sfb.c:471 qdisc_destroy+0xe4/0x610 net/sched/sch_generic.c:977 qdisc_put+0x47/0x60 net/sched/sch_generic.c:1001 sfb_change+0x270/0xb20 net/sched/sch_sfb.c:526 qdisc_change net/sched/sch_api.c:1314 [inline] tc_modify_qdisc+0xc31/0x1950 net/sched/sch_api.c:1616 rtnetlink_rcv_msg+0x34f/0x8f0 net/core/rtnetlink.c:5192 netlink_rcv_skb+0x13c/0x380 net/netlink/af_netlink.c:2485 rtnetlink_rcv+0x10/0x20 net/core/rtnetlink.c:5210 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x43f/0x630 net/netlink/af_netlink.c:1336 netlink_sendmsg+0x765/0xc50 net/netlink/af_netlink.c:1925 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xb5/0xf0 net/socket.c:631 ___sys_sendmsg+0x647/0x950 net/socket.c:2136 __sys_sendmsg+0xd9/0x180 net/socket.c:2174 __do_sys_sendmsg net/socket.c:2183 [inline] __se_sys_sendmsg net/socket.c:2181 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2181 do_syscall_64+0xd0/0x4d0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4598e9 Code: fd b7 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 b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fbd0dbd2c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9 RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000007 RBP: 000000000075c118 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbd0dbd36d4 R13: 00000000004c77fb R14: 00000000004dd098 R15: 00000000ffffffff