INFO: task syz-executor.5:9964 blocked for more than 143 seconds. Not tainted 5.3.0-rc3+ #134 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D28584 9964 9117 0x00000004 Call Trace: context_switch kernel/sched/core.c:3254 [inline] __schedule+0x755/0x1580 kernel/sched/core.c:3880 schedule+0xa8/0x270 kernel/sched/core.c:3944 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003 __mutex_lock_common kernel/locking/mutex.c:1007 [inline] __mutex_lock+0x7b0/0x13c0 kernel/locking/mutex.c:1077 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1092 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x170 net/netlink/genetlink.c:652 netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477 genl_rcv+0x29/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x531/0x710 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x8a5/0xd60 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:657 ___sys_sendmsg+0x803/0x920 net/socket.c:2311 __sys_sendmsg+0x105/0x1d0 net/socket.c:2356 __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2363 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x413631 Code: 00 bf 76 38 44 00 ff 15 65 a0 24 00 85 c0 0f 85 1f fd ff ff 31 c9 31 f6 41 b9 b0 20 41 00 41 b8 a0 d6 65 00 ba 04 00 00 00 bf <89> 38 44 00 ff 15 3d a0 24 00 85 c0 0f 85 f7 fc ff ff 31 c9 31 f6 RSP: 002b:00007f1f743759c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000413631 RDX: 0000000000000000 RSI: 00007f1f74375a00 RDI: 0000000000000009 RBP: 0000000000000009 R08: 00007f1f743759d0 R09: 000000000075c070 R10: 00007f1f743769d0 R11: 0000000000000293 R12: 00007f1f74375a40 R13: 00000000004d0778 R14: 00000000004df690 R15: 00000000ffffffff INFO: task syz-executor.5:9983 blocked for more than 143 seconds. Not tainted 5.3.0-rc3+ #134 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D26168 9983 9117 0x00000004 Call Trace: context_switch kernel/sched/core.c:3254 [inline] __schedule+0x755/0x1580 kernel/sched/core.c:3880 schedule+0xa8/0x270 kernel/sched/core.c:3944 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003 __mutex_lock_common kernel/locking/mutex.c:1007 [inline] __mutex_lock+0x7b0/0x13c0 kernel/locking/mutex.c:1077 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1092 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x170 net/netlink/genetlink.c:652 netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477 genl_rcv+0x29/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x531/0x710 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x8a5/0xd60 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:657 ___sys_sendmsg+0x803/0x920 net/socket.c:2311 __sys_sendmsg+0x105/0x1d0 net/socket.c:2356 __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2363 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x413631 Code: 00 bf 76 38 44 00 ff 15 65 a0 24 00 85 c0 0f 85 1f fd ff ff 31 c9 31 f6 41 b9 b0 20 41 00 41 b8 a0 d6 65 00 ba 04 00 00 00 bf <89> 38 44 00 ff 15 3d a0 24 00 85 c0 0f 85 f7 fc ff ff 31 c9 31 f6 RSP: 002b:00007f1f743339c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000413631 RDX: 0000000000000000 RSI: 00007f1f74333a00 RDI: 0000000000000009 RBP: 0000000000000009 R08: 00007f1f743339d0 R09: 000000000075c1c0 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f1f74333a40 R13: 00000000004d0778 R14: 00000000004df690 R15: 00000000ffffffff INFO: task syz-executor.2:9973 blocked for more than 144 seconds. Not tainted 5.3.0-rc3+ #134 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D28584 9973 9105 0x00000004 Call Trace: context_switch kernel/sched/core.c:3254 [inline] __schedule+0x755/0x1580 kernel/sched/core.c:3880 schedule+0xa8/0x270 kernel/sched/core.c:3944 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003 __mutex_lock_common kernel/locking/mutex.c:1007 [inline] __mutex_lock+0x7b0/0x13c0 kernel/locking/mutex.c:1077 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1092 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x170 net/netlink/genetlink.c:652 netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477 genl_rcv+0x29/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x531/0x710 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x8a5/0xd60 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:657 ___sys_sendmsg+0x803/0x920 net/socket.c:2311 __sys_sendmsg+0x105/0x1d0 net/socket.c:2356 __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2363 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x413631 Code: 00 bf 76 38 44 00 ff 15 65 a0 24 00 85 c0 0f 85 1f fd ff ff 31 c9 31 f6 41 b9 b0 20 41 00 41 b8 a0 d6 65 00 ba 04 00 00 00 bf <89> 38 44 00 ff 15 3d a0 24 00 85 c0 0f 85 f7 fc ff ff 31 c9 31 f6 RSP: 002b:00007f80c61d09c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f80c61d0a58 RCX: 0000000000413631 RDX: 0000000000000000 RSI: 00007f80c61d0a00 RDI: 0000000000000006 RBP: 0000000000000006 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f80c61d0a40 R13: 00000000004d0778 R14: 00000000004df690 R15: 00000000ffffffff INFO: task syz-executor.2:9976 blocked for more than 145 seconds. Not tainted 5.3.0-rc3+ #134 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D28584 9976 9105 0x00000004 Call Trace: context_switch kernel/sched/core.c:3254 [inline] __schedule+0x755/0x1580 kernel/sched/core.c:3880 schedule+0xa8/0x270 kernel/sched/core.c:3944 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003 __mutex_lock_common kernel/locking/mutex.c:1007 [inline] __mutex_lock+0x7b0/0x13c0 kernel/locking/mutex.c:1077 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1092 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x170 net/netlink/genetlink.c:652 netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477 genl_rcv+0x29/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x531/0x710 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x8a5/0xd60 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:657 ___sys_sendmsg+0x803/0x920 net/socket.c:2311 __sys_sendmsg+0x105/0x1d0 net/socket.c:2356 __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2363 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x413631 Code: 00 bf 76 38 44 00 ff 15 65 a0 24 00 85 c0 0f 85 1f fd ff ff 31 c9 31 f6 41 b9 b0 20 41 00 41 b8 a0 d6 65 00 ba 04 00 00 00 bf <89> 38 44 00 ff 15 3d a0 24 00 85 c0 0f 85 f7 fc ff ff 31 c9 31 f6 RSP: 002b:00007f80c61af9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f80c61afa58 RCX: 0000000000413631 RDX: 0000000000000000 RSI: 00007f80c61afa00 RDI: 0000000000000006 RBP: 0000000000000006 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f80c61afa40 R13: 00000000004d0778 R14: 00000000004df690 R15: 00000000ffffffff INFO: task syz-executor.3:9991 blocked for more than 145 seconds. Not tainted 5.3.0-rc3+ #134 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D28376 9991 9108 0x00000004 Call Trace: context_switch kernel/sched/core.c:3254 [inline] __schedule+0x755/0x1580 kernel/sched/core.c:3880 schedule+0xa8/0x270 kernel/sched/core.c:3944 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003 __mutex_lock_common kernel/locking/mutex.c:1007 [inline] __mutex_lock+0x7b0/0x13c0 kernel/locking/mutex.c:1077 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1092 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x170 net/netlink/genetlink.c:652 netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477 genl_rcv+0x29/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x531/0x710 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x8a5/0xd60 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:657 ___sys_sendmsg+0x803/0x920 net/socket.c:2311 __sys_sendmsg+0x105/0x1d0 net/socket.c:2356 __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2363 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459829 Code: Bad RIP value. RSP: 002b:00007f4d263b0c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4d263b16d4 R13: 00000000004c76de R14: 00000000004dceb8 R15: 00000000ffffffff INFO: task syz-executor.3:10016 blocked for more than 146 seconds. Not tainted 5.3.0-rc3+ #134 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D28584 10016 9108 0x00000004 Call Trace: context_switch kernel/sched/core.c:3254 [inline] __schedule+0x755/0x1580 kernel/sched/core.c:3880 schedule+0xa8/0x270 kernel/sched/core.c:3944 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003 __mutex_lock_common kernel/locking/mutex.c:1007 [inline] __mutex_lock+0x7b0/0x13c0 kernel/locking/mutex.c:1077 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1092 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x170 net/netlink/genetlink.c:652 netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477 genl_rcv+0x29/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x531/0x710 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x8a5/0xd60 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:657 ___sys_sendmsg+0x803/0x920 net/socket.c:2311 __sys_sendmsg+0x105/0x1d0 net/socket.c:2356 __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2363 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459829 Code: Bad RIP value. RSP: 002b:00007f4d2636ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003 RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4d2636f6d4 R13: 00000000004c76de R14: 00000000004dceb8 R15: 00000000ffffffff Showing all locks held in the system: 1 lock held by khungtaskd/1057: #0: 00000000078abc4f (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e kernel/locking/lockdep.c:5256 1 lock held by rsyslogd/8972: #0: 000000004e492c90 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 fs/file.c:801 2 locks held by getty/9062: #0: 0000000077a36da3 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340 #1: 000000007174fb0f (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156 2 locks held by getty/9063: #0: 000000001a2c44f7 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340 #1: 00000000eec2549e (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156 2 locks held by getty/9064: #0: 00000000df0a713d (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340 #1: 00000000709a7e88 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156 2 locks held by getty/9065: #0: 000000003c772c6b (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340 #1: 0000000048ee7f91 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156 2 locks held by getty/9066: #0: 0000000019aa5e67 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340 #1: 0000000037386933 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156 2 locks held by getty/9067: #0: 00000000caa58357 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340 #1: 00000000c4a26682 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156 2 locks held by getty/9068: #0: 000000005d2bc697 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340 #1: 00000000af4b0515 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156 3 locks held by syz-executor.1/9953: 2 locks held by syz-executor.5/9964: #0: 000000003cc2133b (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:664 #1: 00000000590b3605 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 00000000590b3605 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x170 net/netlink/genetlink.c:652 2 locks held by syz-executor.5/9983: #0: 000000003cc2133b (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:664 #1: 00000000590b3605 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 00000000590b3605 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x170 net/netlink/genetlink.c:652 2 locks held by syz-executor.2/9973: #0: 000000003cc2133b (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:664 #1: 00000000590b3605 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 00000000590b3605 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x170 net/netlink/genetlink.c:652 2 locks held by syz-executor.2/9976: #0: 000000003cc2133b (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:664 #1: 00000000590b3605 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 00000000590b3605 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x170 net/netlink/genetlink.c:652 2 locks held by syz-executor.3/9991: #0: 000000003cc2133b (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:664 #1: 00000000590b3605 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 00000000590b3605 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x170 net/netlink/genetlink.c:652 2 locks held by syz-executor.3/10016: #0: 000000003cc2133b (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:664 #1: 00000000590b3605 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 00000000590b3605 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x170 net/netlink/genetlink.c:652 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1057 Comm: khungtaskd Not tainted 5.3.0-rc3+ #134 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+0x172/0x1f0 lib/dump_stack.c:113 nmi_cpu_backtrace.cold+0x70/0xb2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x23b/0x28b 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+0x9d0/0xef0 kernel/hung_task.c:289 kthread+0x361/0x430 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Sending NMI from CPU 1 to CPUs 0: INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.060 msecs NMI backtrace for cpu 0 CPU: 0 PID: 9953 Comm: syz-executor.1 Not tainted 5.3.0-rc3+ #134 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x11/0x20 kernel/kcov.c:189 Code: bf 03 00 00 00 48 89 e5 48 8b 4d 08 e8 d8 fe ff ff 5d c3 66 0f 1f 44 00 00 55 89 f2 89 fe bf 05 00 00 00 48 89 e5 48 8b 4d 08 ba fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe RSP: 0018:ffff888068d9ed00 EFLAGS: 00000246 RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff87015ea6 RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000005 RBP: ffff888068d9ed00 R08: ffff88805df7e3c0 R09: ffffed1015d06cb4 R10: ffffed1015d06cb3 R11: ffff8880ae83659b R12: 0000000000000048 R13: ffff888091705680 R14: 0000000000000000 R15: ffff8880917027c0 FS: 00007fa9931a2700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004597ff CR3: 00000000a5ea2000 CR4: 00000000001406f0 Call Trace: __rhashtable_lookup include/linux/rhashtable.h:601 [inline] rhashtable_lookup include/linux/rhashtable.h:645 [inline] rhashtable_lookup_fast include/linux/rhashtable.h:671 [inline] tipc_sk_lookup+0x2f6/0xbf0 net/tipc/socket.c:2807 tipc_nl_publ_dump+0x1f8/0xd60 net/tipc/socket.c:3616 __tipc_nl_compat_dumpit.isra.0+0x21a/0x930 net/tipc/netlink_compat.c:207 tipc_nl_compat_publ_dump net/tipc/netlink_compat.c:1002 [inline] tipc_nl_compat_sk_dump+0x54d/0x970 net/tipc/netlink_compat.c:1054 __tipc_nl_compat_dumpit.isra.0+0x320/0x930 net/tipc/netlink_compat.c:216 tipc_nl_compat_dumpit+0x24c/0x510 net/tipc/netlink_compat.c:288 tipc_nl_compat_handle net/tipc/netlink_compat.c:1253 [inline] tipc_nl_compat_recv+0x5a0/0xae0 net/tipc/netlink_compat.c:1291 genl_family_rcv_msg+0x74b/0xf90 net/netlink/genetlink.c:629 genl_rcv_msg+0xca/0x170 net/netlink/genetlink.c:654 netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477 genl_rcv+0x29/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x531/0x710 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x8a5/0xd60 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:657 ___sys_sendmsg+0x803/0x920 net/socket.c:2311 __sys_sendmsg+0x105/0x1d0 net/socket.c:2356 __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2363 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459829 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:00007fa9931a1c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829 RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000004 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa9931a26d4 R13: 00000000004ce950 R14: 00000000004dcbd0 R15: 00000000ffffffff