INFO: task syz-executor.0:28828 blocked for more than 143 seconds. Not tainted 5.3.0-rc5+ #92 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D29192 28828 9390 0x00004004 Call Trace: context_switch kernel/sched/core.c:3254 [inline] __schedule+0x877/0xc50 kernel/sched/core.c:3880 schedule+0x131/0x1e0 kernel/sched/core.c:3944 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003 __mutex_lock_common+0x1401/0x2820 kernel/locking/mutex.c:1007 __mutex_lock kernel/locking/mutex.c:1077 [inline] mutex_lock_nested+0x1b/0x30 kernel/locking/mutex.c:1092 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0xcc/0x12b0 net/netlink/genetlink.c:652 netlink_rcv_skb+0x19e/0x3d0 net/netlink/af_netlink.c:2477 genl_rcv+0x28/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x787/0x900 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x993/0xc50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg net/socket.c:657 [inline] ___sys_sendmsg+0x60d/0x910 net/socket.c:2311 __sys_sendmsg net/socket.c:2356 [inline] __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x17c/0x200 net/socket.c:2363 do_syscall_64+0xfe/0x140 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x413681 Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 RSP: 002b:00007f8d4c4c99c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f8d4c4c9a58 RCX: 0000000000413681 RDX: 0000000000000000 RSI: 00007f8d4c4c9a00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f8d4c4c9a40 R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff INFO: task syz-executor.0:28839 blocked for more than 143 seconds. Not tainted 5.3.0-rc5+ #92 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D28696 28839 9390 0x00004004 Call Trace: context_switch kernel/sched/core.c:3254 [inline] __schedule+0x877/0xc50 kernel/sched/core.c:3880 schedule+0x131/0x1e0 kernel/sched/core.c:3944 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003 __mutex_lock_common+0x1401/0x2820 kernel/locking/mutex.c:1007 __mutex_lock kernel/locking/mutex.c:1077 [inline] mutex_lock_nested+0x1b/0x30 kernel/locking/mutex.c:1092 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0xcc/0x12b0 net/netlink/genetlink.c:652 netlink_rcv_skb+0x19e/0x3d0 net/netlink/af_netlink.c:2477 genl_rcv+0x28/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x787/0x900 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x993/0xc50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg net/socket.c:657 [inline] ___sys_sendmsg+0x60d/0x910 net/socket.c:2311 __sys_sendmsg net/socket.c:2356 [inline] __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x17c/0x200 net/socket.c:2363 do_syscall_64+0xfe/0x140 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x413681 Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 RSP: 002b:00007f8d4c4a89c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f8d4c4a8a58 RCX: 0000000000413681 RDX: 0000000000000000 RSI: 00007f8d4c4a8a00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f8d4c4a8a40 R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff INFO: task syz-executor.3:28830 blocked for more than 143 seconds. Not tainted 5.3.0-rc5+ #92 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D29192 28830 9401 0x00004004 Call Trace: context_switch kernel/sched/core.c:3254 [inline] __schedule+0x877/0xc50 kernel/sched/core.c:3880 schedule+0x131/0x1e0 kernel/sched/core.c:3944 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003 __mutex_lock_common+0x1401/0x2820 kernel/locking/mutex.c:1007 __mutex_lock kernel/locking/mutex.c:1077 [inline] mutex_lock_nested+0x1b/0x30 kernel/locking/mutex.c:1092 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0xcc/0x12b0 net/netlink/genetlink.c:652 netlink_rcv_skb+0x19e/0x3d0 net/netlink/af_netlink.c:2477 genl_rcv+0x28/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x787/0x900 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x993/0xc50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg net/socket.c:657 [inline] ___sys_sendmsg+0x60d/0x910 net/socket.c:2311 __sys_sendmsg net/socket.c:2356 [inline] __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x17c/0x200 net/socket.c:2363 do_syscall_64+0xfe/0x140 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x413681 Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 RSP: 002b:00007fa59e2039c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fa59e203a58 RCX: 0000000000413681 RDX: 0000000000000000 RSI: 00007fa59e203a00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fa59e203a40 R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff INFO: task syz-executor.3:28841 blocked for more than 144 seconds. Not tainted 5.3.0-rc5+ #92 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D28696 28841 9401 0x00004004 Call Trace: context_switch kernel/sched/core.c:3254 [inline] __schedule+0x877/0xc50 kernel/sched/core.c:3880 schedule+0x131/0x1e0 kernel/sched/core.c:3944 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003 __mutex_lock_common+0x1401/0x2820 kernel/locking/mutex.c:1007 __mutex_lock kernel/locking/mutex.c:1077 [inline] mutex_lock_nested+0x1b/0x30 kernel/locking/mutex.c:1092 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0xcc/0x12b0 net/netlink/genetlink.c:652 netlink_rcv_skb+0x19e/0x3d0 net/netlink/af_netlink.c:2477 genl_rcv+0x28/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x787/0x900 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x993/0xc50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg net/socket.c:657 [inline] ___sys_sendmsg+0x60d/0x910 net/socket.c:2311 __sys_sendmsg net/socket.c:2356 [inline] __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x17c/0x200 net/socket.c:2363 do_syscall_64+0xfe/0x140 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x413681 Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 RSP: 002b:00007fa59e1e29c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fa59e1e2a58 RCX: 0000000000413681 RDX: 0000000000000000 RSI: 00007fa59e1e2a00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fa59e1e2a40 R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff INFO: task syz-executor.4:28832 blocked for more than 144 seconds. Not tainted 5.3.0-rc5+ #92 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D29192 28832 9394 0x00004004 Call Trace: context_switch kernel/sched/core.c:3254 [inline] __schedule+0x877/0xc50 kernel/sched/core.c:3880 schedule+0x131/0x1e0 kernel/sched/core.c:3944 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003 __mutex_lock_common+0x1401/0x2820 kernel/locking/mutex.c:1007 __mutex_lock kernel/locking/mutex.c:1077 [inline] mutex_lock_nested+0x1b/0x30 kernel/locking/mutex.c:1092 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0xcc/0x12b0 net/netlink/genetlink.c:652 netlink_rcv_skb+0x19e/0x3d0 net/netlink/af_netlink.c:2477 genl_rcv+0x28/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x787/0x900 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x993/0xc50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg net/socket.c:657 [inline] ___sys_sendmsg+0x60d/0x910 net/socket.c:2311 __sys_sendmsg net/socket.c:2356 [inline] __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x17c/0x200 net/socket.c:2363 do_syscall_64+0xfe/0x140 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x413681 Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 RSP: 002b:00007f8fb3fb29c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f8fb3fb2a58 RCX: 0000000000413681 RDX: 0000000000000000 RSI: 00007f8fb3fb2a00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f8fb3fb2a40 R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff INFO: task syz-executor.4:28840 blocked for more than 144 seconds. Not tainted 5.3.0-rc5+ #92 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D28696 28840 9394 0x00004004 Call Trace: context_switch kernel/sched/core.c:3254 [inline] __schedule+0x877/0xc50 kernel/sched/core.c:3880 schedule+0x131/0x1e0 kernel/sched/core.c:3944 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003 __mutex_lock_common+0x1401/0x2820 kernel/locking/mutex.c:1007 __mutex_lock kernel/locking/mutex.c:1077 [inline] mutex_lock_nested+0x1b/0x30 kernel/locking/mutex.c:1092 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0xcc/0x12b0 net/netlink/genetlink.c:652 netlink_rcv_skb+0x19e/0x3d0 net/netlink/af_netlink.c:2477 genl_rcv+0x28/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x787/0x900 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x993/0xc50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg net/socket.c:657 [inline] ___sys_sendmsg+0x60d/0x910 net/socket.c:2311 __sys_sendmsg net/socket.c:2356 [inline] __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x17c/0x200 net/socket.c:2363 do_syscall_64+0xfe/0x140 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x413681 Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 RSP: 002b:00007f8fb3f919c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f8fb3f91a58 RCX: 0000000000413681 RDX: 0000000000000000 RSI: 00007f8fb3f91a00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f8fb3f91a40 R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff INFO: task syz-executor.5:28836 blocked for more than 144 seconds. Not tainted 5.3.0-rc5+ #92 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D28984 28836 9399 0x00004004 Call Trace: context_switch kernel/sched/core.c:3254 [inline] __schedule+0x877/0xc50 kernel/sched/core.c:3880 schedule+0x131/0x1e0 kernel/sched/core.c:3944 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003 __mutex_lock_common+0x1401/0x2820 kernel/locking/mutex.c:1007 __mutex_lock kernel/locking/mutex.c:1077 [inline] mutex_lock_nested+0x1b/0x30 kernel/locking/mutex.c:1092 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0xcc/0x12b0 net/netlink/genetlink.c:652 netlink_rcv_skb+0x19e/0x3d0 net/netlink/af_netlink.c:2477 genl_rcv+0x28/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x787/0x900 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x993/0xc50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg net/socket.c:657 [inline] ___sys_sendmsg+0x60d/0x910 net/socket.c:2311 __sys_sendmsg net/socket.c:2356 [inline] __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x17c/0x200 net/socket.c:2363 do_syscall_64+0xfe/0x140 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x413681 Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 RSP: 002b:00007fa4c6aaa9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fa4c6aaaa58 RCX: 0000000000413681 RDX: 0000000000000000 RSI: 00007fa4c6aaaa00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fa4c6aaaa40 R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff INFO: task syz-executor.5:28842 blocked for more than 145 seconds. Not tainted 5.3.0-rc5+ #92 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D28696 28842 9399 0x00004004 Call Trace: context_switch kernel/sched/core.c:3254 [inline] __schedule+0x877/0xc50 kernel/sched/core.c:3880 schedule+0x131/0x1e0 kernel/sched/core.c:3944 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003 __mutex_lock_common+0x1401/0x2820 kernel/locking/mutex.c:1007 __mutex_lock kernel/locking/mutex.c:1077 [inline] mutex_lock_nested+0x1b/0x30 kernel/locking/mutex.c:1092 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0xcc/0x12b0 net/netlink/genetlink.c:652 netlink_rcv_skb+0x19e/0x3d0 net/netlink/af_netlink.c:2477 genl_rcv+0x28/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x787/0x900 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x993/0xc50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg net/socket.c:657 [inline] ___sys_sendmsg+0x60d/0x910 net/socket.c:2311 __sys_sendmsg net/socket.c:2356 [inline] __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x17c/0x200 net/socket.c:2363 do_syscall_64+0xfe/0x140 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x413681 Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 RSP: 002b:00007fa4c6a899c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fa4c6a89a58 RCX: 0000000000413681 RDX: 0000000000000000 RSI: 00007fa4c6a89a00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fa4c6a89a40 R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff INFO: task syz-executor.1:28838 blocked for more than 145 seconds. Not tainted 5.3.0-rc5+ #92 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D28024 28838 9392 0x00004004 Call Trace: context_switch kernel/sched/core.c:3254 [inline] __schedule+0x877/0xc50 kernel/sched/core.c:3880 schedule+0x131/0x1e0 kernel/sched/core.c:3944 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003 __mutex_lock_common+0x1401/0x2820 kernel/locking/mutex.c:1007 __mutex_lock kernel/locking/mutex.c:1077 [inline] mutex_lock_nested+0x1b/0x30 kernel/locking/mutex.c:1092 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0xcc/0x12b0 net/netlink/genetlink.c:652 netlink_rcv_skb+0x19e/0x3d0 net/netlink/af_netlink.c:2477 genl_rcv+0x28/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x787/0x900 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x993/0xc50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg net/socket.c:657 [inline] ___sys_sendmsg+0x60d/0x910 net/socket.c:2311 __sys_sendmsg net/socket.c:2356 [inline] __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x17c/0x200 net/socket.c:2363 do_syscall_64+0xfe/0x140 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x413681 Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 RSP: 002b:00007f3ff7ce29c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f3ff7ce2a58 RCX: 0000000000413681 RDX: 0000000000000000 RSI: 00007f3ff7ce2a00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f3ff7ce2a40 R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff INFO: task syz-executor.1:28843 blocked for more than 145 seconds. Not tainted 5.3.0-rc5+ #92 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D28696 28843 9392 0x00004004 Call Trace: context_switch kernel/sched/core.c:3254 [inline] __schedule+0x877/0xc50 kernel/sched/core.c:3880 schedule+0x131/0x1e0 kernel/sched/core.c:3944 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003 __mutex_lock_common+0x1401/0x2820 kernel/locking/mutex.c:1007 __mutex_lock kernel/locking/mutex.c:1077 [inline] mutex_lock_nested+0x1b/0x30 kernel/locking/mutex.c:1092 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0xcc/0x12b0 net/netlink/genetlink.c:652 netlink_rcv_skb+0x19e/0x3d0 net/netlink/af_netlink.c:2477 genl_rcv+0x28/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x787/0x900 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x993/0xc50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg net/socket.c:657 [inline] ___sys_sendmsg+0x60d/0x910 net/socket.c:2311 __sys_sendmsg net/socket.c:2356 [inline] __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x17c/0x200 net/socket.c:2363 do_syscall_64+0xfe/0x140 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x413681 Code: 00 bf 9a 38 44 00 ff 15 15 a0 24 00 85 c0 0f 85 cf fc ff ff 45 31 c9 31 c9 31 f6 41 b8 70 d6 65 00 ba 0b 00 00 00 bf af 38 44 <00> e8 09 2f 02 00 85 c0 0f 85 ab fc ff ff 41 b9 b0 20 41 00 45 31 RSP: 002b:00007f3ff7cc19c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f3ff7cc1a58 RCX: 0000000000413681 RDX: 0000000000000000 RSI: 00007f3ff7cc1a00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f3ff7cc1a40 R13: 00000000004d0800 R14: 00000000004df730 R15: 00000000ffffffff INFO: lockdep is turned off. NMI backtrace for cpu 1 CPU: 1 PID: 1056 Comm: khungtaskd Not tainted 5.3.0-rc5+ #92 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+0x1d8/0x2f8 lib/dump_stack.c:113 nmi_cpu_backtrace+0xaf/0x1a0 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x174/0x290 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x10/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_all_cpu_backtrace+0x17/0x20 include/linux/nmi.h:146 check_hung_uninterruptible_tasks kernel/hung_task.c:205 [inline] watchdog+0xbb9/0xbd0 kernel/hung_task.c:289 kthread+0x332/0x350 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 28816 Comm: syz-executor.2 Not tainted 5.3.0-rc5+ #92 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:91 [inline] RIP: 0010:memory_is_nonzero mm/kasan/generic.c:109 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:135 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:166 [inline] RIP: 0010:check_memory_region_inline mm/kasan/generic.c:182 [inline] RIP: 0010:check_memory_region+0x95/0x2e0 mm/kasan/generic.c:192 Code: 00 4c 89 cb 4c 29 d3 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 45 0f b6 19 45 84 db 0f 85 09 02 00 00 49 ff c1 48 ff c3 75 eb 7b 01 00 00 44 89 cb 83 e3 07 0f 84 0a 01 00 00 41 be 08 00 00 RSP: 0018:ffff8880a469f1e8 EFLAGS: 00000256 RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff836a7119 RDX: 0000000000000001 RSI: 0000000000000068 RDI: ffff8880a469f410 RBP: ffff8880a469f210 R08: dffffc0000000000 R09: ffffed10148d3e8f R10: ffffed10148d3e8f R11: 0000000000000000 R12: 1ffff110148d3e82 R13: dffffc0000000001 R14: 000000000000000d R15: 0000000000000068 FS: 00007f11c6063700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600400 CR3: 0000000092e74000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: memset+0x23/0x40 mm/kasan/common.c:105 __nla_validate_parse+0x69/0x1f50 lib/nlattr.c:367 __nla_parse+0x41/0x50 lib/nlattr.c:478 nla_parse_nested_deprecated include/net/netlink.h:1166 [inline] tipc_nl_publ_dump+0x318/0xd60 net/tipc/socket.c:3601 __tipc_nl_compat_dumpit+0x22c/0x7f0 net/tipc/netlink_compat.c:207 tipc_nl_compat_publ_dump net/tipc/netlink_compat.c:1002 [inline] tipc_nl_compat_sk_dump+0x6c0/0x890 net/tipc/netlink_compat.c:1054 __tipc_nl_compat_dumpit+0x33c/0x7f0 net/tipc/netlink_compat.c:216 tipc_nl_compat_dumpit+0x353/0x4f0 net/tipc/netlink_compat.c:288 tipc_nl_compat_handle net/tipc/netlink_compat.c:1195 [inline] tipc_nl_compat_recv+0x1011/0x2200 net/tipc/netlink_compat.c:1291 genl_family_rcv_msg net/netlink/genetlink.c:629 [inline] genl_rcv_msg+0xb52/0x12b0 net/netlink/genetlink.c:654 netlink_rcv_skb+0x19e/0x3d0 net/netlink/af_netlink.c:2477 genl_rcv+0x28/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x787/0x900 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x993/0xc50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg net/socket.c:657 [inline] ___sys_sendmsg+0x60d/0x910 net/socket.c:2311 __sys_sendmsg net/socket.c:2356 [inline] __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x17c/0x200 net/socket.c:2363 do_syscall_64+0xfe/0x140 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459879 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:00007f11c6062c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459879 RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000004 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f11c60636d4 R13: 00000000004ce9d8 R14: 00000000004dcc70 R15: 00000000ffffffff