INFO: task syz-executor.4:25312 can't die for more than 143 seconds. syz-executor.4 R running task 25784 25312 9015 0x00004006 Call Trace: kasan_check_read+0x11/0x20 mm/kasan/common.c:94 test_bit include/asm-generic/bitops-instrumented.h:237 [inline] hlock_class kernel/locking/lockdep.c:163 [inline] mark_lock+0xc0/0x11e0 kernel/locking/lockdep.c:3594 test_bit include/asm-generic/bitops-instrumented.h:237 [inline] hlock_class kernel/locking/lockdep.c:163 [inline] __lock_acquire+0x8a0/0x4680 kernel/locking/lockdep.c:3882 INFO: task syz-executor.2:25320 can't die for more than 144 seconds. syz-executor.2 D28576 25320 9010 0x00000004 Call Trace: context_switch kernel/sched/core.c:2818 [inline] __schedule+0x755/0x1580 kernel/sched/core.c:3444 schedule+0xa8/0x270 kernel/sched/core.c:3508 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3567 __mutex_lock_common kernel/locking/mutex.c:1003 [inline] __mutex_lock+0x751/0x1340 kernel/locking/mutex.c:1073 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x16c 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:646 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:665 ___sys_sendmsg+0x803/0x920 net/socket.c:2286 __sys_sendmsg+0x105/0x1d0 net/socket.c:2324 __do_sys_sendmsg net/socket.c:2333 [inline] __se_sys_sendmsg net/socket.c:2331 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2331 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4130d1 Code: 50 fe ff ff 31 c0 49 89 d9 49 89 d8 48 89 d9 ba c8 3b 44 00 be 78 f7 ff ff 31 ff ff 15 80 65 24 00 0f b6 03 e9 2b fe ff ff 3c <3f> 0f 84 88 00 00 00 41 bf 2f f8 ff ff 66 90 49 8b 3c 24 48 85 ff RSP: 002b:00007f57020d79c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f57020d7a58 RCX: 00000000004130d1 RDX: 0000000000000000 RSI: 00007f57020d7a00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f57020d7a40 R13: 00000000004cfb40 R14: 00000000004de870 R15: 00000000ffffffff INFO: task syz-executor.2:25320 blocked for more than 144 seconds. Not tainted 5.2.0-rc5-next-20190620 #19 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D28576 25320 9010 0x00000004 Call Trace: context_switch kernel/sched/core.c:2818 [inline] __schedule+0x755/0x1580 kernel/sched/core.c:3444 schedule+0xa8/0x270 kernel/sched/core.c:3508 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3567 __mutex_lock_common kernel/locking/mutex.c:1003 [inline] __mutex_lock+0x751/0x1340 kernel/locking/mutex.c:1073 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x16c 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:646 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:665 ___sys_sendmsg+0x803/0x920 net/socket.c:2286 __sys_sendmsg+0x105/0x1d0 net/socket.c:2324 __do_sys_sendmsg net/socket.c:2333 [inline] __se_sys_sendmsg net/socket.c:2331 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2331 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4130d1 Code: 50 fe ff ff 31 c0 49 89 d9 49 89 d8 48 89 d9 ba c8 3b 44 00 be 78 f7 ff ff 31 ff ff 15 80 65 24 00 0f b6 03 e9 2b fe ff ff 3c <3f> 0f 84 88 00 00 00 41 bf 2f f8 ff ff 66 90 49 8b 3c 24 48 85 ff RSP: 002b:00007f57020d79c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f57020d7a58 RCX: 00000000004130d1 RDX: 0000000000000000 RSI: 00007f57020d7a00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f57020d7a40 R13: 00000000004cfb40 R14: 00000000004de870 R15: 00000000ffffffff INFO: task syz-executor.2:25326 can't die for more than 145 seconds. syz-executor.2 D27824 25326 9010 0x00004004 Call Trace: context_switch kernel/sched/core.c:2818 [inline] __schedule+0x755/0x1580 kernel/sched/core.c:3444 schedule+0xa8/0x270 kernel/sched/core.c:3508 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3567 __mutex_lock_common kernel/locking/mutex.c:1003 [inline] __mutex_lock+0x751/0x1340 kernel/locking/mutex.c:1073 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x16c 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:646 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:665 ___sys_sendmsg+0x803/0x920 net/socket.c:2286 __sys_sendmsg+0x105/0x1d0 net/socket.c:2324 __do_sys_sendmsg net/socket.c:2333 [inline] __se_sys_sendmsg net/socket.c:2331 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2331 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4130d1 Code: 50 fe ff ff 31 c0 49 89 d9 49 89 d8 48 89 d9 ba c8 3b 44 00 be 78 f7 ff ff 31 ff ff 15 80 65 24 00 0f b6 03 e9 2b fe ff ff 3c <3f> 0f 84 88 00 00 00 41 bf 2f f8 ff ff 66 90 49 8b 3c 24 48 85 ff RSP: 002b:00007f57020b69c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f57020b6a58 RCX: 00000000004130d1 RDX: 0000000000000000 RSI: 00007f57020b6a00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f57020b6a40 R13: 00000000004cfb40 R14: 00000000004de870 R15: 00000000ffffffff INFO: task syz-executor.2:25326 blocked for more than 145 seconds. Not tainted 5.2.0-rc5-next-20190620 #19 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D27824 25326 9010 0x00004004 Call Trace: context_switch kernel/sched/core.c:2818 [inline] __schedule+0x755/0x1580 kernel/sched/core.c:3444 schedule+0xa8/0x270 kernel/sched/core.c:3508 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3567 __mutex_lock_common kernel/locking/mutex.c:1003 [inline] __mutex_lock+0x751/0x1340 kernel/locking/mutex.c:1073 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x16c 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:646 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:665 ___sys_sendmsg+0x803/0x920 net/socket.c:2286 __sys_sendmsg+0x105/0x1d0 net/socket.c:2324 __do_sys_sendmsg net/socket.c:2333 [inline] __se_sys_sendmsg net/socket.c:2331 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2331 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4130d1 Code: 50 fe ff ff 31 c0 49 89 d9 49 89 d8 48 89 d9 ba c8 3b 44 00 be 78 f7 ff ff 31 ff ff 15 80 65 24 00 0f b6 03 e9 2b fe ff ff 3c <3f> 0f 84 88 00 00 00 41 bf 2f f8 ff ff 66 90 49 8b 3c 24 48 85 ff RSP: 002b:00007f57020b69c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f57020b6a58 RCX: 00000000004130d1 RDX: 0000000000000000 RSI: 00007f57020b6a00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f57020b6a40 R13: 00000000004cfb40 R14: 00000000004de870 R15: 00000000ffffffff INFO: task syz-executor.1:25321 can't die for more than 146 seconds. syz-executor.1 D28576 25321 9020 0x00000004 Call Trace: context_switch kernel/sched/core.c:2818 [inline] __schedule+0x755/0x1580 kernel/sched/core.c:3444 schedule+0xa8/0x270 kernel/sched/core.c:3508 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3567 __mutex_lock_common kernel/locking/mutex.c:1003 [inline] __mutex_lock+0x751/0x1340 kernel/locking/mutex.c:1073 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x16c 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:646 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:665 ___sys_sendmsg+0x803/0x920 net/socket.c:2286 __sys_sendmsg+0x105/0x1d0 net/socket.c:2324 __do_sys_sendmsg net/socket.c:2333 [inline] __se_sys_sendmsg net/socket.c:2331 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2331 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4130d1 Code: 50 fe ff ff 31 c0 49 89 d9 49 89 d8 48 89 d9 ba c8 3b 44 00 be 78 f7 ff ff 31 ff ff 15 80 65 24 00 0f b6 03 e9 2b fe ff ff 3c <3f> 0f 84 88 00 00 00 41 bf 2f f8 ff ff 66 90 49 8b 3c 24 48 85 ff RSP: 002b:00007f2685e959c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f2685e95a58 RCX: 00000000004130d1 RDX: 0000000000000000 RSI: 00007f2685e95a00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f2685e95a40 R13: 00000000004cfb40 R14: 00000000004de870 R15: 00000000ffffffff INFO: task syz-executor.1:25321 blocked for more than 146 seconds. Not tainted 5.2.0-rc5-next-20190620 #19 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D28576 25321 9020 0x00000004 Call Trace: context_switch kernel/sched/core.c:2818 [inline] __schedule+0x755/0x1580 kernel/sched/core.c:3444 schedule+0xa8/0x270 kernel/sched/core.c:3508 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3567 __mutex_lock_common kernel/locking/mutex.c:1003 [inline] __mutex_lock+0x751/0x1340 kernel/locking/mutex.c:1073 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x16c 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:646 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:665 ___sys_sendmsg+0x803/0x920 net/socket.c:2286 __sys_sendmsg+0x105/0x1d0 net/socket.c:2324 __do_sys_sendmsg net/socket.c:2333 [inline] __se_sys_sendmsg net/socket.c:2331 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2331 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4130d1 Code: 50 fe ff ff 31 c0 49 89 d9 49 89 d8 48 89 d9 ba c8 3b 44 00 be 78 f7 ff ff 31 ff ff 15 80 65 24 00 0f b6 03 e9 2b fe ff ff 3c <3f> 0f 84 88 00 00 00 41 bf 2f f8 ff ff 66 90 49 8b 3c 24 48 85 ff RSP: 002b:00007f2685e959c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f2685e95a58 RCX: 00000000004130d1 RDX: 0000000000000000 RSI: 00007f2685e95a00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f2685e95a40 R13: 00000000004cfb40 R14: 00000000004de870 R15: 00000000ffffffff INFO: task syz-executor.1:25328 can't die for more than 147 seconds. syz-executor.1 D27824 25328 9020 0x00000004 Call Trace: context_switch kernel/sched/core.c:2818 [inline] __schedule+0x755/0x1580 kernel/sched/core.c:3444 schedule+0xa8/0x270 kernel/sched/core.c:3508 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3567 __mutex_lock_common kernel/locking/mutex.c:1003 [inline] __mutex_lock+0x751/0x1340 kernel/locking/mutex.c:1073 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x16c 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:646 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:665 ___sys_sendmsg+0x803/0x920 net/socket.c:2286 __sys_sendmsg+0x105/0x1d0 net/socket.c:2324 __do_sys_sendmsg net/socket.c:2333 [inline] __se_sys_sendmsg net/socket.c:2331 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2331 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4130d1 Code: 50 fe ff ff 31 c0 49 89 d9 49 89 d8 48 89 d9 ba c8 3b 44 00 be 78 f7 ff ff 31 ff ff 15 80 65 24 00 0f b6 03 e9 2b fe ff ff 3c <3f> 0f 84 88 00 00 00 41 bf 2f f8 ff ff 66 90 49 8b 3c 24 48 85 ff RSP: 002b:00007f2685e749c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f2685e74a58 RCX: 00000000004130d1 RDX: 0000000000000000 RSI: 00007f2685e74a00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f2685e74a40 R13: 00000000004cfb40 R14: 00000000004de870 R15: 00000000ffffffff INFO: task syz-executor.1:25328 blocked for more than 148 seconds. Not tainted 5.2.0-rc5-next-20190620 #19 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D27824 25328 9020 0x00000004 Call Trace: context_switch kernel/sched/core.c:2818 [inline] __schedule+0x755/0x1580 kernel/sched/core.c:3444 schedule+0xa8/0x270 kernel/sched/core.c:3508 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3567 __mutex_lock_common kernel/locking/mutex.c:1003 [inline] __mutex_lock+0x751/0x1340 kernel/locking/mutex.c:1073 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x16c 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:646 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:665 ___sys_sendmsg+0x803/0x920 net/socket.c:2286 __sys_sendmsg+0x105/0x1d0 net/socket.c:2324 __do_sys_sendmsg net/socket.c:2333 [inline] __se_sys_sendmsg net/socket.c:2331 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2331 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4130d1 Code: 50 fe ff ff 31 c0 49 89 d9 49 89 d8 48 89 d9 ba c8 3b 44 00 be 78 f7 ff ff 31 ff ff 15 80 65 24 00 0f b6 03 e9 2b fe ff ff 3c <3f> 0f 84 88 00 00 00 41 bf 2f f8 ff ff 66 90 49 8b 3c 24 48 85 ff RSP: 002b:00007f2685e749c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f2685e74a58 RCX: 00000000004130d1 RDX: 0000000000000000 RSI: 00007f2685e74a00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f2685e74a40 R13: 00000000004cfb40 R14: 00000000004de870 R15: 00000000ffffffff INFO: task syz-executor.3:25317 can't die for more than 148 seconds. syz-executor.3 D28576 25317 9012 0x00000004 Call Trace: context_switch kernel/sched/core.c:2818 [inline] __schedule+0x755/0x1580 kernel/sched/core.c:3444 schedule+0xa8/0x270 kernel/sched/core.c:3508 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3567 __mutex_lock_common kernel/locking/mutex.c:1003 [inline] __mutex_lock+0x751/0x1340 kernel/locking/mutex.c:1073 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x16c 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:646 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:665 ___sys_sendmsg+0x803/0x920 net/socket.c:2286 __sys_sendmsg+0x105/0x1d0 net/socket.c:2324 __do_sys_sendmsg net/socket.c:2333 [inline] __se_sys_sendmsg net/socket.c:2331 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2331 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4130d1 Code: 50 fe ff ff 31 c0 49 89 d9 49 89 d8 48 89 d9 ba c8 3b 44 00 be 78 f7 ff ff 31 ff ff 15 80 65 24 00 0f b6 03 e9 2b fe ff ff 3c <3f> 0f 84 88 00 00 00 41 bf 2f f8 ff ff 66 90 49 8b 3c 24 48 85 ff RSP: 002b:00007fdb0abdc9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fdb0abdca58 RCX: 00000000004130d1 RDX: 0000000000000000 RSI: 00007fdb0abdca00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fdb0abdca40 R13: 00000000004cfb40 R14: 00000000004de870 R15: 00000000ffffffff INFO: task syz-executor.3:25317 blocked for more than 149 seconds. Not tainted 5.2.0-rc5-next-20190620 #19 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D28576 25317 9012 0x00000004 Call Trace: context_switch kernel/sched/core.c:2818 [inline] __schedule+0x755/0x1580 kernel/sched/core.c:3444 schedule+0xa8/0x270 kernel/sched/core.c:3508 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3567 __mutex_lock_common kernel/locking/mutex.c:1003 [inline] __mutex_lock+0x751/0x1340 kernel/locking/mutex.c:1073 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x16c 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:646 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:665 ___sys_sendmsg+0x803/0x920 net/socket.c:2286 __sys_sendmsg+0x105/0x1d0 net/socket.c:2324 __do_sys_sendmsg net/socket.c:2333 [inline] __se_sys_sendmsg net/socket.c:2331 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2331 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4130d1 Code: 50 fe ff ff 31 c0 49 89 d9 49 89 d8 48 89 d9 ba c8 3b 44 00 be 78 f7 ff ff 31 ff ff 15 80 65 24 00 0f b6 03 e9 2b fe ff ff 3c <3f> 0f 84 88 00 00 00 41 bf 2f f8 ff ff 66 90 49 8b 3c 24 48 85 ff RSP: 002b:00007fdb0abdc9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fdb0abdca58 RCX: 00000000004130d1 RDX: 0000000000000000 RSI: 00007fdb0abdca00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fdb0abdca40 R13: 00000000004cfb40 R14: 00000000004de870 R15: 00000000ffffffff INFO: task syz-executor.3:25322 can't die for more than 149 seconds. syz-executor.3 D27824 25322 9012 0x00004004 Call Trace: context_switch kernel/sched/core.c:2818 [inline] __schedule+0x755/0x1580 kernel/sched/core.c:3444 schedule+0xa8/0x270 kernel/sched/core.c:3508 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3567 __mutex_lock_common kernel/locking/mutex.c:1003 [inline] __mutex_lock+0x751/0x1340 kernel/locking/mutex.c:1073 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x16c 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:646 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:665 ___sys_sendmsg+0x803/0x920 net/socket.c:2286 __sys_sendmsg+0x105/0x1d0 net/socket.c:2324 __do_sys_sendmsg net/socket.c:2333 [inline] __se_sys_sendmsg net/socket.c:2331 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2331 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4130d1 Code: 50 fe ff ff 31 c0 49 89 d9 49 89 d8 48 89 d9 ba c8 3b 44 00 be 78 f7 ff ff 31 ff ff 15 80 65 24 00 0f b6 03 e9 2b fe ff ff 3c <3f> 0f 84 88 00 00 00 41 bf 2f f8 ff ff 66 90 49 8b 3c 24 48 85 ff RSP: 002b:00007fdb0abbb9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fdb0abbba58 RCX: 00000000004130d1 RDX: 0000000000000000 RSI: 00007fdb0abbba00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fdb0abbba40 R13: 00000000004cfb40 R14: 00000000004de870 R15: 00000000ffffffff INFO: task syz-executor.3:25322 blocked for more than 150 seconds. Not tainted 5.2.0-rc5-next-20190620 #19 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D27824 25322 9012 0x00004004 Call Trace: context_switch kernel/sched/core.c:2818 [inline] __schedule+0x755/0x1580 kernel/sched/core.c:3444 schedule+0xa8/0x270 kernel/sched/core.c:3508 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3567 __mutex_lock_common kernel/locking/mutex.c:1003 [inline] __mutex_lock+0x751/0x1340 kernel/locking/mutex.c:1073 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x16c 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:646 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:665 ___sys_sendmsg+0x803/0x920 net/socket.c:2286 __sys_sendmsg+0x105/0x1d0 net/socket.c:2324 __do_sys_sendmsg net/socket.c:2333 [inline] __se_sys_sendmsg net/socket.c:2331 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2331 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4130d1 Code: 50 fe ff ff 31 c0 49 89 d9 49 89 d8 48 89 d9 ba c8 3b 44 00 be 78 f7 ff ff 31 ff ff 15 80 65 24 00 0f b6 03 e9 2b fe ff ff 3c <3f> 0f 84 88 00 00 00 41 bf 2f f8 ff ff 66 90 49 8b 3c 24 48 85 ff RSP: 002b:00007fdb0abbb9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fdb0abbba58 RCX: 00000000004130d1 RDX: 0000000000000000 RSI: 00007fdb0abbba00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fdb0abbba40 R13: 00000000004cfb40 R14: 00000000004de870 R15: 00000000ffffffff INFO: task syz-executor.0:25319 can't die for more than 150 seconds. syz-executor.0 D28576 25319 9017 0x00000004 Call Trace: context_switch kernel/sched/core.c:2818 [inline] __schedule+0x755/0x1580 kernel/sched/core.c:3444 schedule+0xa8/0x270 kernel/sched/core.c:3508 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3567 __mutex_lock_common kernel/locking/mutex.c:1003 [inline] __mutex_lock+0x751/0x1340 kernel/locking/mutex.c:1073 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x16c 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:646 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:665 ___sys_sendmsg+0x803/0x920 net/socket.c:2286 __sys_sendmsg+0x105/0x1d0 net/socket.c:2324 __do_sys_sendmsg net/socket.c:2333 [inline] __se_sys_sendmsg net/socket.c:2331 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2331 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4130d1 Code: 50 fe ff ff 31 c0 49 89 d9 49 89 d8 48 89 d9 ba c8 3b 44 00 be 78 f7 ff ff 31 ff ff 15 80 65 24 00 0f b6 03 e9 2b fe ff ff 3c <3f> 0f 84 88 00 00 00 41 bf 2f f8 ff ff 66 90 49 8b 3c 24 48 85 ff RSP: 002b:00007f6d74cd39c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f6d74cd3a58 RCX: 00000000004130d1 RDX: 0000000000000000 RSI: 00007f6d74cd3a00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f6d74cd3a40 R13: 00000000004cfb40 R14: 00000000004de870 R15: 00000000ffffffff INFO: task syz-executor.0:25319 blocked for more than 151 seconds. Not tainted 5.2.0-rc5-next-20190620 #19 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D28576 25319 9017 0x00000004 Call Trace: context_switch kernel/sched/core.c:2818 [inline] __schedule+0x755/0x1580 kernel/sched/core.c:3444 schedule+0xa8/0x270 kernel/sched/core.c:3508 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3567 __mutex_lock_common kernel/locking/mutex.c:1003 [inline] __mutex_lock+0x751/0x1340 kernel/locking/mutex.c:1073 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x16c 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:646 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:665 ___sys_sendmsg+0x803/0x920 net/socket.c:2286 __sys_sendmsg+0x105/0x1d0 net/socket.c:2324 __do_sys_sendmsg net/socket.c:2333 [inline] __se_sys_sendmsg net/socket.c:2331 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2331 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4130d1 Code: 50 fe ff ff 31 c0 49 89 d9 49 89 d8 48 89 d9 ba c8 3b 44 00 be 78 f7 ff ff 31 ff ff 15 80 65 24 00 0f b6 03 e9 2b fe ff ff 3c <3f> 0f 84 88 00 00 00 41 bf 2f f8 ff ff 66 90 49 8b 3c 24 48 85 ff RSP: 002b:00007f6d74cd39c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f6d74cd3a58 RCX: 00000000004130d1 RDX: 0000000000000000 RSI: 00007f6d74cd3a00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f6d74cd3a40 R13: 00000000004cfb40 R14: 00000000004de870 R15: 00000000ffffffff INFO: task syz-executor.0:25325 can't die for more than 152 seconds. syz-executor.0 D27824 25325 9017 0x00004004 Call Trace: context_switch kernel/sched/core.c:2818 [inline] __schedule+0x755/0x1580 kernel/sched/core.c:3444 schedule+0xa8/0x270 kernel/sched/core.c:3508 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3567 __mutex_lock_common kernel/locking/mutex.c:1003 [inline] __mutex_lock+0x751/0x1340 kernel/locking/mutex.c:1073 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x16c 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:646 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:665 ___sys_sendmsg+0x803/0x920 net/socket.c:2286 __sys_sendmsg+0x105/0x1d0 net/socket.c:2324 __do_sys_sendmsg net/socket.c:2333 [inline] __se_sys_sendmsg net/socket.c:2331 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2331 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4130d1 Code: 50 fe ff ff 31 c0 49 89 d9 49 89 d8 48 89 d9 ba c8 3b 44 00 be 78 f7 ff ff 31 ff ff 15 80 65 24 00 0f b6 03 e9 2b fe ff ff 3c <3f> 0f 84 88 00 00 00 41 bf 2f f8 ff ff 66 90 49 8b 3c 24 48 85 ff RSP: 002b:00007f6d74cb29c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f6d74cb2a58 RCX: 00000000004130d1 RDX: 0000000000000000 RSI: 00007f6d74cb2a00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f6d74cb2a40 R13: 00000000004cfb40 R14: 00000000004de870 R15: 00000000ffffffff INFO: task syz-executor.0:25325 blocked for more than 152 seconds. Not tainted 5.2.0-rc5-next-20190620 #19 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D27824 25325 9017 0x00004004 Call Trace: context_switch kernel/sched/core.c:2818 [inline] __schedule+0x755/0x1580 kernel/sched/core.c:3444 schedule+0xa8/0x270 kernel/sched/core.c:3508 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3567 __mutex_lock_common kernel/locking/mutex.c:1003 [inline] __mutex_lock+0x751/0x1340 kernel/locking/mutex.c:1073 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x16c 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:646 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:665 ___sys_sendmsg+0x803/0x920 net/socket.c:2286 __sys_sendmsg+0x105/0x1d0 net/socket.c:2324 __do_sys_sendmsg net/socket.c:2333 [inline] __se_sys_sendmsg net/socket.c:2331 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2331 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4130d1 Code: 50 fe ff ff 31 c0 49 89 d9 49 89 d8 48 89 d9 ba c8 3b 44 00 be 78 f7 ff ff 31 ff ff 15 80 65 24 00 0f b6 03 e9 2b fe ff ff 3c <3f> 0f 84 88 00 00 00 41 bf 2f f8 ff ff 66 90 49 8b 3c 24 48 85 ff RSP: 002b:00007f6d74cb29c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f6d74cb2a58 RCX: 00000000004130d1 RDX: 0000000000000000 RSI: 00007f6d74cb2a00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f6d74cb2a40 R13: 00000000004cfb40 R14: 00000000004de870 R15: 00000000ffffffff INFO: task syz-executor.5:25327 can't die for more than 153 seconds. syz-executor.5 D28576 25327 9019 0x00004004 Call Trace: context_switch kernel/sched/core.c:2818 [inline] __schedule+0x755/0x1580 kernel/sched/core.c:3444 schedule+0xa8/0x270 kernel/sched/core.c:3508 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3567 __mutex_lock_common kernel/locking/mutex.c:1003 [inline] __mutex_lock+0x751/0x1340 kernel/locking/mutex.c:1073