protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
INFO: task udevd:3955 blocked for more than 140 seconds.
      Not tainted 5.0.0-rc8+ #89
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
udevd           D28032  3955   3867 0x00000000
Call Trace:
 context_switch kernel/sched/core.c:2844 [inline]
 __schedule+0x817/0x1cc0 kernel/sched/core.c:3485
 schedule+0x92/0x180 kernel/sched/core.c:3529
 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:287 [inline]
 rwsem_down_read_failed+0x213/0x420 kernel/locking/rwsem-xadd.c:304
 call_rwsem_down_read_failed+0x18/0x30 arch/x86/lib/rwsem.S:94
 __down_read arch/x86/include/asm/rwsem.h:83 [inline]
 __percpu_down_read kernel/locking/percpu-rwsem.c:85 [inline]
 __percpu_down_read+0x8d/0xf0 kernel/locking/percpu-rwsem.c:41
 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:49 [inline]
 percpu_down_read include/linux/percpu-rwsem.h:59 [inline]
 uprobe_start_dup_mmap+0xbf/0xe0 kernel/events/uprobes.c:1525
 dup_mmap kernel/fork.c:472 [inline]
 dup_mm kernel/fork.c:1320 [inline]
 copy_mm kernel/fork.c:1375 [inline]
 copy_process.part.0+0x2b94/0x79a0 kernel/fork.c:1917
 copy_process kernel/fork.c:1710 [inline]
 _do_fork+0x257/0xfe0 kernel/fork.c:2227
 __do_sys_clone kernel/fork.c:2334 [inline]
 __se_sys_clone kernel/fork.c:2328 [inline]
 __x64_sys_clone+0xbf/0x150 kernel/fork.c:2328
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f39e2e5af46
Code: Bad RIP value.
RSP: 002b:00007fffa3ee69b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fffa3ee69b0 RCX: 00007f39e2e5af46
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007fffa3ee6a10 R08: 0000000000000f73 R09: 0000000000000f73
R10: 00007f39e3777a70 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffa3ee69d0 R14: 0000000000000005 R15: 0000000000000005
INFO: task udevd:7388 blocked for more than 140 seconds.
      Not tainted 5.0.0-rc8+ #89
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
udevd           D28032  7388   3867 0x00000000
Call Trace:
 context_switch kernel/sched/core.c:2844 [inline]
 __schedule+0x817/0x1cc0 kernel/sched/core.c:3485
 schedule+0x92/0x180 kernel/sched/core.c:3529
 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:287 [inline]
 rwsem_down_read_failed+0x213/0x420 kernel/locking/rwsem-xadd.c:304
 call_rwsem_down_read_failed+0x18/0x30 arch/x86/lib/rwsem.S:94
 __down_read arch/x86/include/asm/rwsem.h:83 [inline]
 __percpu_down_read kernel/locking/percpu-rwsem.c:85 [inline]
 __percpu_down_read+0x8d/0xf0 kernel/locking/percpu-rwsem.c:41
 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:49 [inline]
 percpu_down_read include/linux/percpu-rwsem.h:59 [inline]
 uprobe_start_dup_mmap+0xbf/0xe0 kernel/events/uprobes.c:1525
 dup_mmap kernel/fork.c:472 [inline]
 dup_mm kernel/fork.c:1320 [inline]
 copy_mm kernel/fork.c:1375 [inline]
 copy_process.part.0+0x2b94/0x79a0 kernel/fork.c:1917
 copy_process kernel/fork.c:1710 [inline]
 _do_fork+0x257/0xfe0 kernel/fork.c:2227
 __do_sys_clone kernel/fork.c:2334 [inline]
 __se_sys_clone kernel/fork.c:2328 [inline]
 __x64_sys_clone+0xbf/0x150 kernel/fork.c:2328
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f39e2e5af46
Code: Bad RIP value.
RSP: 002b:00007fffa3ee69b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fffa3ee69b0 RCX: 00007f39e2e5af46
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007fffa3ee6a10 R08: 0000000000001cdc R09: 0000000000001cdc
R10: 00007f39e3777a70 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffa3ee69d0 R14: 0000000000000005 R15: 0000000000000005
INFO: task syz-executor.0:7698 blocked for more than 140 seconds.
      Not tainted 5.0.0-rc8+ #89
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0  D23320  7698      1 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2844 [inline]
 __schedule+0x817/0x1cc0 kernel/sched/core.c:3485
 schedule+0x92/0x180 kernel/sched/core.c:3529
 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:287 [inline]
 rwsem_down_read_failed+0x213/0x420 kernel/locking/rwsem-xadd.c:304
 call_rwsem_down_read_failed+0x18/0x30 arch/x86/lib/rwsem.S:94
 __down_read arch/x86/include/asm/rwsem.h:83 [inline]
 __percpu_down_read kernel/locking/percpu-rwsem.c:85 [inline]
 __percpu_down_read+0x8d/0xf0 kernel/locking/percpu-rwsem.c:41
 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:49 [inline]
 percpu_down_read include/linux/percpu-rwsem.h:59 [inline]
 uprobe_start_dup_mmap+0xbf/0xe0 kernel/events/uprobes.c:1525
 dup_mmap kernel/fork.c:472 [inline]
 dup_mm kernel/fork.c:1320 [inline]
 copy_mm kernel/fork.c:1375 [inline]
 copy_process.part.0+0x2b94/0x79a0 kernel/fork.c:1917
 copy_process kernel/fork.c:1710 [inline]
 _do_fork+0x257/0xfe0 kernel/fork.c:2227
 __do_sys_clone kernel/fork.c:2334 [inline]
 __se_sys_clone kernel/fork.c:2328 [inline]
 __x64_sys_clone+0xbf/0x150 kernel/fork.c:2328
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4563fa
Code: Bad RIP value.
RSP: 002b:00007ffd6ec22c80 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007ffd6ec22c80 RCX: 00000000004563fa
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007ffd6ec22cc0 R08: 0000000000000001 R09: 000000000275c940
R10: 000000000275cc10 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor.1:7702 blocked for more than 140 seconds.
      Not tainted 5.0.0-rc8+ #89
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.1  D24000  7702      1 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2844 [inline]
 __schedule+0x817/0x1cc0 kernel/sched/core.c:3485
 schedule+0x92/0x180 kernel/sched/core.c:3529
 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:287 [inline]
 rwsem_down_read_failed+0x213/0x420 kernel/locking/rwsem-xadd.c:304
 call_rwsem_down_read_failed+0x18/0x30 arch/x86/lib/rwsem.S:94
 __down_read arch/x86/include/asm/rwsem.h:83 [inline]
 __percpu_down_read kernel/locking/percpu-rwsem.c:85 [inline]
 __percpu_down_read+0x8d/0xf0 kernel/locking/percpu-rwsem.c:41
 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:49 [inline]
 percpu_down_read include/linux/percpu-rwsem.h:59 [inline]
 uprobe_start_dup_mmap+0xbf/0xe0 kernel/events/uprobes.c:1525
 dup_mmap kernel/fork.c:472 [inline]
 dup_mm kernel/fork.c:1320 [inline]
 copy_mm kernel/fork.c:1375 [inline]
 copy_process.part.0+0x2b94/0x79a0 kernel/fork.c:1917
 copy_process kernel/fork.c:1710 [inline]
 _do_fork+0x257/0xfe0 kernel/fork.c:2227
 __do_sys_clone kernel/fork.c:2334 [inline]
 __se_sys_clone kernel/fork.c:2328 [inline]
 __x64_sys_clone+0xbf/0x150 kernel/fork.c:2328
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4563fa
Code: Bad RIP value.
RSP: 002b:00007fff45cfefe0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fff45cfefe0 RCX: 00000000004563fa
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007fff45cff020 R08: 0000000000000001 R09: 000000000248f940
R10: 000000000248fc10 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
INFO: task syz-executor.2:7704 blocked for more than 140 seconds.
      Not tainted 5.0.0-rc8+ #89
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.2  D24000  7704      1 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2844 [inline]
 __schedule+0x817/0x1cc0 kernel/sched/core.c:3485
 schedule+0x92/0x180 kernel/sched/core.c:3529
 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:287 [inline]
 rwsem_down_read_failed+0x213/0x420 kernel/locking/rwsem-xadd.c:304
 call_rwsem_down_read_failed+0x18/0x30 arch/x86/lib/rwsem.S:94
 __down_read arch/x86/include/asm/rwsem.h:83 [inline]
 __percpu_down_read kernel/locking/percpu-rwsem.c:85 [inline]
 __percpu_down_read+0x8d/0xf0 kernel/locking/percpu-rwsem.c:41
 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:49 [inline]
 percpu_down_read include/linux/percpu-rwsem.h:59 [inline]
 uprobe_start_dup_mmap+0xbf/0xe0 kernel/events/uprobes.c:1525
 dup_mmap kernel/fork.c:472 [inline]
 dup_mm kernel/fork.c:1320 [inline]
 copy_mm kernel/fork.c:1375 [inline]
 copy_process.part.0+0x2b94/0x79a0 kernel/fork.c:1917
 copy_process kernel/fork.c:1710 [inline]
 _do_fork+0x257/0xfe0 kernel/fork.c:2227
 __do_sys_clone kernel/fork.c:2334 [inline]
 __se_sys_clone kernel/fork.c:2328 [inline]
 __x64_sys_clone+0xbf/0x150 kernel/fork.c:2328
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4563fa
Code: Bad RIP value.
RSP: 002b:00007ffe82e4edc0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007ffe82e4edc0 RCX: 00000000004563fa
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007ffe82e4ee00 R08: 0000000000000001 R09: 0000000000ff4940
R10: 0000000000ff4c10 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
INFO: task syz-executor.4:7711 blocked for more than 140 seconds.
      Not tainted 5.0.0-rc8+ #89
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.4  D24000  7711      1 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2844 [inline]
 __schedule+0x817/0x1cc0 kernel/sched/core.c:3485
 schedule+0x92/0x180 kernel/sched/core.c:3529
 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:287 [inline]
 rwsem_down_read_failed+0x213/0x420 kernel/locking/rwsem-xadd.c:304
 call_rwsem_down_read_failed+0x18/0x30 arch/x86/lib/rwsem.S:94
 __down_read arch/x86/include/asm/rwsem.h:83 [inline]
 __percpu_down_read kernel/locking/percpu-rwsem.c:85 [inline]
 __percpu_down_read+0x8d/0xf0 kernel/locking/percpu-rwsem.c:41
 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:49 [inline]
 percpu_down_read include/linux/percpu-rwsem.h:59 [inline]
 uprobe_start_dup_mmap+0xbf/0xe0 kernel/events/uprobes.c:1525
 dup_mmap kernel/fork.c:472 [inline]
 dup_mm kernel/fork.c:1320 [inline]
 copy_mm kernel/fork.c:1375 [inline]
 copy_process.part.0+0x2b94/0x79a0 kernel/fork.c:1917
 copy_process kernel/fork.c:1710 [inline]
 _do_fork+0x257/0xfe0 kernel/fork.c:2227
 __do_sys_clone kernel/fork.c:2334 [inline]
 __se_sys_clone kernel/fork.c:2328 [inline]
 __x64_sys_clone+0xbf/0x150 kernel/fork.c:2328
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4563fa
Code: Bad RIP value.
RSP: 002b:00007fff93456c90 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fff93456c90 RCX: 00000000004563fa
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007fff93456cd0 R08: 0000000000000001 R09: 0000000001fb7940
R10: 0000000001fb7c10 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000004
INFO: task syz-executor.5:7715 blocked for more than 140 seconds.
      Not tainted 5.0.0-rc8+ #89
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5  D23984  7715      1 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2844 [inline]
 __schedule+0x817/0x1cc0 kernel/sched/core.c:3485
 schedule+0x92/0x180 kernel/sched/core.c:3529
 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:287 [inline]
 rwsem_down_read_failed+0x213/0x420 kernel/locking/rwsem-xadd.c:304
 call_rwsem_down_read_failed+0x18/0x30 arch/x86/lib/rwsem.S:94
 __down_read arch/x86/include/asm/rwsem.h:83 [inline]
 __percpu_down_read kernel/locking/percpu-rwsem.c:85 [inline]
 __percpu_down_read+0x8d/0xf0 kernel/locking/percpu-rwsem.c:41
 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:49 [inline]
 percpu_down_read include/linux/percpu-rwsem.h:59 [inline]
 uprobe_start_dup_mmap+0xbf/0xe0 kernel/events/uprobes.c:1525
 dup_mmap kernel/fork.c:472 [inline]
 dup_mm kernel/fork.c:1320 [inline]
 copy_mm kernel/fork.c:1375 [inline]
 copy_process.part.0+0x2b94/0x79a0 kernel/fork.c:1917
 copy_process kernel/fork.c:1710 [inline]
 _do_fork+0x257/0xfe0 kernel/fork.c:2227
 __do_sys_clone kernel/fork.c:2334 [inline]
 __se_sys_clone kernel/fork.c:2328 [inline]
 __x64_sys_clone+0xbf/0x150 kernel/fork.c:2328
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4563fa
Code: Bad RIP value.
RSP: 002b:00007ffcbcdd4d20 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007ffcbcdd4d20 RCX: 00000000004563fa
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007ffcbcdd4d60 R08: 0000000000000001 R09: 0000000000ea9940
R10: 0000000000ea9c10 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000005
INFO: task udevd:7806 blocked for more than 140 seconds.
      Not tainted 5.0.0-rc8+ #89
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
udevd           D28032  7806   3867 0x00000000
Call Trace:
 context_switch kernel/sched/core.c:2844 [inline]
 __schedule+0x817/0x1cc0 kernel/sched/core.c:3485
 schedule+0x92/0x180 kernel/sched/core.c:3529
 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:287 [inline]
 rwsem_down_read_failed+0x213/0x420 kernel/locking/rwsem-xadd.c:304
 call_rwsem_down_read_failed+0x18/0x30 arch/x86/lib/rwsem.S:94
 __down_read arch/x86/include/asm/rwsem.h:83 [inline]
 __percpu_down_read kernel/locking/percpu-rwsem.c:85 [inline]
 __percpu_down_read+0x8d/0xf0 kernel/locking/percpu-rwsem.c:41
 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:49 [inline]
 percpu_down_read include/linux/percpu-rwsem.h:59 [inline]
 uprobe_start_dup_mmap+0xbf/0xe0 kernel/events/uprobes.c:1525
 dup_mmap kernel/fork.c:472 [inline]
 dup_mm kernel/fork.c:1320 [inline]
 copy_mm kernel/fork.c:1375 [inline]
 copy_process.part.0+0x2b94/0x79a0 kernel/fork.c:1917
 copy_process kernel/fork.c:1710 [inline]
 _do_fork+0x257/0xfe0 kernel/fork.c:2227
 __do_sys_clone kernel/fork.c:2334 [inline]
 __se_sys_clone kernel/fork.c:2328 [inline]
 __x64_sys_clone+0xbf/0x150 kernel/fork.c:2328
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f39e2e5af46
Code: Bad RIP value.
RSP: 002b:00007fffa3ee69b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fffa3ee69b0 RCX: 00007f39e2e5af46
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007fffa3ee6a10 R08: 0000000000001e7e R09: 0000000000001e7e
R10: 00007f39e3777a70 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffa3ee69d0 R14: 0000000000000005 R15: 0000000000000005
INFO: task udevd:7807 blocked for more than 140 seconds.
      Not tainted 5.0.0-rc8+ #89
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
udevd           D28032  7807   3867 0x00000000
Call Trace:
 context_switch kernel/sched/core.c:2844 [inline]
 __schedule+0x817/0x1cc0 kernel/sched/core.c:3485
 schedule+0x92/0x180 kernel/sched/core.c:3529
 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:287 [inline]
 rwsem_down_read_failed+0x213/0x420 kernel/locking/rwsem-xadd.c:304
 call_rwsem_down_read_failed+0x18/0x30 arch/x86/lib/rwsem.S:94
 __down_read arch/x86/include/asm/rwsem.h:83 [inline]
 __percpu_down_read kernel/locking/percpu-rwsem.c:85 [inline]
 __percpu_down_read+0x8d/0xf0 kernel/locking/percpu-rwsem.c:41
 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:49 [inline]
 percpu_down_read include/linux/percpu-rwsem.h:59 [inline]
 uprobe_start_dup_mmap+0xbf/0xe0 kernel/events/uprobes.c:1525
 dup_mmap kernel/fork.c:472 [inline]
 dup_mm kernel/fork.c:1320 [inline]
 copy_mm kernel/fork.c:1375 [inline]
 copy_process.part.0+0x2b94/0x79a0 kernel/fork.c:1917
 copy_process kernel/fork.c:1710 [inline]
 _do_fork+0x257/0xfe0 kernel/fork.c:2227
 __do_sys_clone kernel/fork.c:2334 [inline]
 __se_sys_clone kernel/fork.c:2328 [inline]
 __x64_sys_clone+0xbf/0x150 kernel/fork.c:2328
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f39e2e5af46
Code: Bad RIP value.
RSP: 002b:00007fffa3ee69b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fffa3ee69b0 RCX: 00007f39e2e5af46
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007fffa3ee6a10 R08: 0000000000001e7f R09: 0000000000001e7f
R10: 00007f39e3777a70 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffa3ee69d0 R14: 0000000000000005 R15: 0000000000000005
INFO: task udevd:7810 blocked for more than 140 seconds.
      Not tainted 5.0.0-rc8+ #89
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
udevd           D28032  7810   3867 0x00000000
Call Trace:
 context_switch kernel/sched/core.c:2844 [inline]
 __schedule+0x817/0x1cc0 kernel/sched/core.c:3485
 schedule+0x92/0x180 kernel/sched/core.c:3529
 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:287 [inline]
 rwsem_down_read_failed+0x213/0x420 kernel/locking/rwsem-xadd.c:304
 call_rwsem_down_read_failed+0x18/0x30 arch/x86/lib/rwsem.S:94
 __down_read arch/x86/include/asm/rwsem.h:83 [inline]
 __percpu_down_read kernel/locking/percpu-rwsem.c:85 [inline]
 __percpu_down_read+0x8d/0xf0 kernel/locking/percpu-rwsem.c:41
 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:49 [inline]
 percpu_down_read include/linux/percpu-rwsem.h:59 [inline]
 uprobe_start_dup_mmap+0xbf/0xe0 kernel/events/uprobes.c:1525
 dup_mmap kernel/fork.c:472 [inline]
 dup_mm kernel/fork.c:1320 [inline]
 copy_mm kernel/fork.c:1375 [inline]
 copy_process.part.0+0x2b94/0x79a0 kernel/fork.c:1917
 copy_process kernel/fork.c:1710 [inline]
 _do_fork+0x257/0xfe0 kernel/fork.c:2227
 __do_sys_clone kernel/fork.c:2334 [inline]
 __se_sys_clone kernel/fork.c:2328 [inline]
 __x64_sys_clone+0xbf/0x150 kernel/fork.c:2328
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f39e2e5af46
Code: Bad RIP value.
RSP: 002b:00007fffa3ee69b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fffa3ee69b0 RCX: 00007f39e2e5af46
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007fffa3ee6a10 R08: 0000000000001e82 R09: 0000000000001e82
R10: 00007f39e3777a70 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffa3ee69d0 R14: 0000000000000005 R15: 0000000000000005

Showing all locks held in the system:
1 lock held by khungtaskd/1040:
 #0: 0000000042b4d45e (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e kernel/locking/lockdep.c:4389
2 locks held by kworker/u4:4/2528:
 #0: 000000007e140553 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1149 [inline]
 #0: 000000007e140553 (&rq->lock){-.-.}, at: __schedule+0x1fc/0x1cc0 kernel/sched/core.c:3423
 #1: 0000000042b4d45e (rcu_read_lock){....}, at: __update_idle_core+0x45/0x3f0 kernel/sched/fair.c:6014
1 lock held by udevd/3955:
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: dup_mmap kernel/fork.c:472 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: dup_mm kernel/fork.c:1320 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: copy_mm kernel/fork.c:1375 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: copy_process.part.0+0x2b94/0x79a0 kernel/fork.c:1917
1 lock held by udevd/7388:
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: dup_mmap kernel/fork.c:472 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: dup_mm kernel/fork.c:1320 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: copy_mm kernel/fork.c:1375 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: copy_process.part.0+0x2b94/0x79a0 kernel/fork.c:1917
1 lock held by rsyslogd/7573:
 #0: 00000000964eb05e (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 fs/file.c:795
2 locks held by getty/7662:
 #0: 000000002922391d (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
 #1: 0000000007dad696 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154
2 locks held by getty/7663:
 #0: 00000000c8dcae95 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
 #1: 000000001938f8bf (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154
2 locks held by getty/7664:
 #0: 00000000dc12043b (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
 #1: 000000006470fda4 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154
2 locks held by getty/7665:
 #0: 000000003a2dcb5b (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
 #1: 00000000bbb958b7 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154
2 locks held by getty/7666:
 #0: 0000000044ba74f0 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
 #1: 00000000475986b6 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154
2 locks held by getty/7667:
 #0: 000000007f74275a (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
 #1: 000000005429e30c (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154
2 locks held by getty/7668:
 #0: 0000000044feaefd (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341
 #1: 00000000a020ebcd (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154
1 lock held by syz-executor.0/7698:
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: dup_mmap kernel/fork.c:472 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: dup_mm kernel/fork.c:1320 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: copy_mm kernel/fork.c:1375 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: copy_process.part.0+0x2b94/0x79a0 kernel/fork.c:1917
1 lock held by syz-executor.1/7702:
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: dup_mmap kernel/fork.c:472 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: dup_mm kernel/fork.c:1320 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: copy_mm kernel/fork.c:1375 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: copy_process.part.0+0x2b94/0x79a0 kernel/fork.c:1917
1 lock held by syz-executor.2/7704:
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: dup_mmap kernel/fork.c:472 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: dup_mm kernel/fork.c:1320 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: copy_mm kernel/fork.c:1375 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: copy_process.part.0+0x2b94/0x79a0 kernel/fork.c:1917
1 lock held by syz-executor.4/7711:
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: dup_mmap kernel/fork.c:472 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: dup_mm kernel/fork.c:1320 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: copy_mm kernel/fork.c:1375 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: copy_process.part.0+0x2b94/0x79a0 kernel/fork.c:1917
1 lock held by syz-executor.5/7715:
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: dup_mmap kernel/fork.c:472 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: dup_mm kernel/fork.c:1320 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: copy_mm kernel/fork.c:1375 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: copy_process.part.0+0x2b94/0x79a0 kernel/fork.c:1917
1 lock held by udevd/7806:
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: dup_mmap kernel/fork.c:472 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: dup_mm kernel/fork.c:1320 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: copy_mm kernel/fork.c:1375 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: copy_process.part.0+0x2b94/0x79a0 kernel/fork.c:1917
1 lock held by udevd/7807:
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: dup_mmap kernel/fork.c:472 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: dup_mm kernel/fork.c:1320 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: copy_mm kernel/fork.c:1375 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: copy_process.part.0+0x2b94/0x79a0 kernel/fork.c:1917
1 lock held by udevd/7810:
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: dup_mmap kernel/fork.c:472 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: dup_mm kernel/fork.c:1320 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: copy_mm kernel/fork.c:1375 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: copy_process.part.0+0x2b94/0x79a0 kernel/fork.c:1917
1 lock held by syz-executor.0/7880:
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: dup_mmap kernel/fork.c:472 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: dup_mm kernel/fork.c:1320 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: copy_mm kernel/fork.c:1375 [inline]
 #0: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: copy_process.part.0+0x2b94/0x79a0 kernel/fork.c:1917
5 locks held by syz-executor.3/9154:
 #0: 000000006dfa6303 (&sig->cred_guard_mutex){+.+.}, at: __do_sys_perf_event_open+0x6e1/0x2690 kernel/events/core.c:10527
 #1: 0000000063883202 (&pmus_srcu){....}, at: perf_event_alloc.part.0+0xd56/0x2e00 kernel/events/core.c:10086
 #2: 00000000295d220c (event_mutex){+.+.}, at: perf_uprobe_init+0x1d0/0x290 kernel/trace/trace_event_perf.c:328
 #3: 00000000d245b09b (&uprobe->register_rwsem){+.+.}, at: __uprobe_register kernel/events/uprobes.c:1140 [inline]
 #3: 00000000d245b09b (&uprobe->register_rwsem){+.+.}, at: __uprobe_register+0x3d3/0x7d0 kernel/events/uprobes.c:1112
 #4: 0000000046a1ab75 (&dup_mmap_sem){++++}, at: percpu_down_write+0x6a/0x440 kernel/locking/percpu-rwsem.c:145

=============================================

NMI backtrace for cpu 1
CPU: 1 PID: 1040 Comm: khungtaskd Not tainted 5.0.0-rc8+ #89
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+0x63/0xa4 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x1be/0x236 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:203 [inline]
 watchdog+0x9df/0xee0 kernel/hung_task.c:287
 kthread+0x357/0x430 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2528 Comm: kworker/u4:4 Not tainted 5.0.0-rc8+ #89
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_nc_worker
RIP: 0010:batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:420 [inline]
RIP: 0010:batadv_nc_worker+0x168/0x760 net/batman-adv/network-coding.c:730
Code: 89 e6 e8 1b 73 88 fa 45 84 e4 0f 84 75 03 00 00 e8 cd 71 88 fa 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 0f 85 61 05 00 00 4d 8b 36 <eb> 46 e8 b1 71 88 fa 49 81 ee 88 01 00 00 74 47 e8 a3 71 88 fa 48
RSP: 0018:ffff8880a19efce0 EFLAGS: 00000246
RAX: 1ffff1101205d208 RBX: ffff8880a4cc9d40 RCX: ffffffff86e770d9
RDX: 0000000000000000 RSI: ffffffff86e76d53 RDI: 0000000000000001
RBP: ffff8880a19efd30 R08: ffff8880a197c180 R09: ffffed1015d05bd0
R10: ffffed1015d05bcf R11: ffff8880ae82de7b R12: 0000000000000001
R13: 0000000000000180 R14: 0000000000000000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600400 CR3: 0000000095863000 CR4: 00000000001406f0
Call Trace:
 process_one_work+0x98e/0x1790 kernel/workqueue.c:2173
 worker_thread+0x98/0xe40 kernel/workqueue.c:2319
 kthread+0x357/0x430 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352