INFO: task syz-executor.0:5766 blocked for more than 143 seconds. Not tainted 5.14.0-next-20210831-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:27184 pid: 5766 ppid: 4442 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:4955 [inline] __schedule+0x91d/0x21b0 kernel/sched/core.c:6302 schedule+0xe0/0x280 kernel/sched/core.c:6381 rwsem_down_read_slowpath+0x523/0xa70 kernel/locking/rwsem.c:993 __down_read_common kernel/locking/rwsem.c:1214 [inline] __down_read kernel/locking/rwsem.c:1223 [inline] down_read+0xe4/0x480 kernel/locking/rwsem.c:1464 mmap_read_lock+0x27/0x60 include/linux/mmap_lock.h:117 exit_mm kernel/exit.c:450 [inline] do_exit+0x68a/0x2c00 kernel/exit.c:812 do_group_exit+0x135/0x330 kernel/exit.c:922 get_signal+0x485/0x2090 kernel/signal.c:2868 arch_do_signal_or_restart+0x2b4/0x2300 arch/x86/kernel/signal.c:865 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x213/0x280 kernel/entry/common.c:209 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x45/0x80 kernel/entry/common.c:302 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4610d2 RSP: 002b:00007fffad481198 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: fffffffffffffffc RBX: 0000000000020022 RCX: 00000000004610d2 RDX: 0000000000000000 RSI: 0000000000021000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000 R10: 0000000000020022 R11: 0000000000000246 R12: 00007fffad481360 R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000022000 INFO: task syz-executor.0:5772 blocked for more than 144 seconds. Not tainted 5.14.0-next-20210831-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:28328 pid: 5772 ppid: 4442 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:4955 [inline] __schedule+0x91d/0x21b0 kernel/sched/core.c:6302 schedule+0xe0/0x280 kernel/sched/core.c:6381 rwsem_down_read_slowpath+0x523/0xa70 kernel/locking/rwsem.c:993 __down_read_common kernel/locking/rwsem.c:1214 [inline] __down_read kernel/locking/rwsem.c:1223 [inline] down_read+0xe4/0x480 kernel/locking/rwsem.c:1464 mmap_read_lock+0x27/0x60 include/linux/mmap_lock.h:117 exit_mm kernel/exit.c:450 [inline] do_exit+0x68a/0x2c00 kernel/exit.c:812 do_group_exit+0x135/0x330 kernel/exit.c:922 get_signal+0x485/0x2090 kernel/signal.c:2868 arch_do_signal_or_restart+0x2b4/0x2300 arch/x86/kernel/signal.c:865 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x213/0x280 kernel/entry/common.c:209 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x45/0x80 kernel/entry/common.c:302 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x461089 RSP: 002b:00007f58174dc218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000052bf08 RCX: 0000000000461089 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000052bf08 RBP: 000000000052bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000052bf0c R13: 00007fffad48120f R14: 00007f58174dc300 R15: 0000000000022000 INFO: task syz-executor.0:5775 blocked for more than 145 seconds. Not tainted 5.14.0-next-20210831-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:28056 pid: 5775 ppid: 4442 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:4955 [inline] __schedule+0x91d/0x21b0 kernel/sched/core.c:6302 schedule+0xe0/0x280 kernel/sched/core.c:6381 rwsem_down_read_slowpath+0x523/0xa70 kernel/locking/rwsem.c:993 __down_read_common kernel/locking/rwsem.c:1214 [inline] __down_read kernel/locking/rwsem.c:1223 [inline] down_read+0xe4/0x480 kernel/locking/rwsem.c:1464 mmap_read_lock include/linux/mmap_lock.h:117 [inline] acct_collect+0xfa/0x8c0 kernel/acct.c:541 do_exit+0x5ad/0x2c00 kernel/exit.c:804 do_group_exit+0x135/0x330 kernel/exit.c:922 get_signal+0x485/0x2090 kernel/signal.c:2868 arch_do_signal_or_restart+0x2b4/0x2300 arch/x86/kernel/signal.c:865 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x213/0x280 kernel/entry/common.c:209 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x45/0x80 kernel/entry/common.c:302 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x461089 RSP: 002b:00007f58174bb218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000052bfb0 RCX: 0000000000461089 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000052bfb0 RBP: 000000000052bfa8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000052bfb4 R13: 00007fffad48120f R14: 00007f58174bb300 R15: 0000000000022000 INFO: task syz-executor.0:5773 can't die for more than 147 seconds. task:syz-executor.0 state:R running task stack:28232 pid: 5773 ppid: 5772 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:4955 [inline] __schedule+0x91d/0x21b0 kernel/sched/core.c:6302 preempt_schedule_common+0x4a/0xe0 kernel/sched/core.c:6474 preempt_schedule+0x24/0x30 kernel/sched/core.c:6499 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:35 INFO: task syz-executor.2:5777 blocked for more than 147 seconds. Not tainted 5.14.0-next-20210831-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:27184 pid: 5777 ppid: 4437 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:4955 [inline] __schedule+0x91d/0x21b0 kernel/sched/core.c:6302 schedule+0xe0/0x280 kernel/sched/core.c:6381 rwsem_down_read_slowpath+0x523/0xa70 kernel/locking/rwsem.c:993 __down_read_common kernel/locking/rwsem.c:1214 [inline] __down_read kernel/locking/rwsem.c:1223 [inline] down_read+0xe4/0x480 kernel/locking/rwsem.c:1464 mmap_read_lock+0x27/0x60 include/linux/mmap_lock.h:117 exit_mm kernel/exit.c:450 [inline] do_exit+0x68a/0x2c00 kernel/exit.c:812 do_group_exit+0x135/0x330 kernel/exit.c:922 get_signal+0x485/0x2090 kernel/signal.c:2868 arch_do_signal_or_restart+0x2b4/0x2300 arch/x86/kernel/signal.c:865 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x213/0x280 kernel/entry/common.c:209 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x45/0x80 kernel/entry/common.c:302 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4610d2 RSP: 002b:00007ffd0b33edf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: fffffffffffffffc RBX: 0000000000020022 RCX: 00000000004610d2 RDX: 0000000000000000 RSI: 0000000000021000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000 R10: 0000000000020022 R11: 0000000000000246 R12: 00007ffd0b33efc0 R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000022000 INFO: task syz-executor.2:5783 blocked for more than 149 seconds. Not tainted 5.14.0-next-20210831-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:28328 pid: 5783 ppid: 4437 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:4955 [inline] __schedule+0x91d/0x21b0 kernel/sched/core.c:6302 schedule+0xe0/0x280 kernel/sched/core.c:6381 rwsem_down_read_slowpath+0x523/0xa70 kernel/locking/rwsem.c:993 __down_read_common kernel/locking/rwsem.c:1214 [inline] __down_read kernel/locking/rwsem.c:1223 [inline] down_read+0xe4/0x480 kernel/locking/rwsem.c:1464 mmap_read_lock+0x27/0x60 include/linux/mmap_lock.h:117 exit_mm kernel/exit.c:450 [inline] do_exit+0x68a/0x2c00 kernel/exit.c:812 do_group_exit+0x135/0x330 kernel/exit.c:922 get_signal+0x485/0x2090 kernel/signal.c:2868 arch_do_signal_or_restart+0x2b4/0x2300 arch/x86/kernel/signal.c:865 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x213/0x280 kernel/entry/common.c:209 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x45/0x80 kernel/entry/common.c:302 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x461089 RSP: 002b:00007fabdcf6f218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000052bf08 RCX: 0000000000461089 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000052bf08 RBP: 000000000052bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000052bf0c R13: 00007ffd0b33ee6f R14: 00007fabdcf6f300 R15: 0000000000022000 INFO: task syz-executor.2:5789 blocked for more than 150 seconds. Not tainted 5.14.0-next-20210831-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:28528 pid: 5789 ppid: 4437 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:4955 [inline] __schedule+0x91d/0x21b0 kernel/sched/core.c:6302 schedule+0xe0/0x280 kernel/sched/core.c:6381 rwsem_down_read_slowpath+0x523/0xa70 kernel/locking/rwsem.c:993 __down_read_common kernel/locking/rwsem.c:1214 [inline] __down_read kernel/locking/rwsem.c:1223 [inline] down_read+0xe4/0x480 kernel/locking/rwsem.c:1464 mmap_read_lock include/linux/mmap_lock.h:117 [inline] acct_collect+0xfa/0x8c0 kernel/acct.c:541 do_exit+0x5ad/0x2c00 kernel/exit.c:804 do_group_exit+0x135/0x330 kernel/exit.c:922 get_signal+0x485/0x2090 kernel/signal.c:2868 arch_do_signal_or_restart+0x2b4/0x2300 arch/x86/kernel/signal.c:865 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x213/0x280 kernel/entry/common.c:209 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x45/0x80 kernel/entry/common.c:302 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x461089 RSP: 002b:00007fabdcf4e218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000052bfb0 RCX: 0000000000461089 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000052bfb0 RBP: 000000000052bfa8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000052bfb4 R13: 00007ffd0b33ee6f R14: 00007fabdcf4e300 R15: 0000000000022000 INFO: task syz-executor.0:5779 can't die for more than 151 seconds. task:syz-executor.0 state:D stack:30296 pid: 5779 ppid: 5775 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:4955 [inline] __schedule+0x91d/0x21b0 kernel/sched/core.c:6302 schedule+0xe0/0x280 kernel/sched/core.c:6381 rwsem_down_read_slowpath+0x523/0xa70 kernel/locking/rwsem.c:993 __down_read_common kernel/locking/rwsem.c:1214 [inline] __down_read kernel/locking/rwsem.c:1223 [inline] down_read+0xe4/0x480 kernel/locking/rwsem.c:1464 mmap_read_lock include/linux/mmap_lock.h:117 [inline] do_user_addr_fault+0xa1d/0x1250 arch/x86/mm/fault.c:1341 handle_page_fault arch/x86/mm/fault.c:1475 [inline] exc_page_fault+0xad/0x1a0 arch/x86/mm/fault.c:1531 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568 RIP: 0033:0x6 RSP: 002b:00007f58174bb1b0 EFLAGS: 00010217 RAX: 0000000000000000 RBX: 000000000052bfa8 RCX: 0000000000461089 RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000000000100100 RBP: 0000000000000005 R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004ea678 R14: 00000000004aba7b R15: 00007f58174bb6bc INFO: task syz-executor.0:5779 blocked for more than 152 seconds. Not tainted 5.14.0-next-20210831-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:30296 pid: 5779 ppid: 5775 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:4955 [inline] __schedule+0x91d/0x21b0 kernel/sched/core.c:6302 schedule+0xe0/0x280 kernel/sched/core.c:6381 rwsem_down_read_slowpath+0x523/0xa70 kernel/locking/rwsem.c:993 __down_read_common kernel/locking/rwsem.c:1214 [inline] __down_read kernel/locking/rwsem.c:1223 [inline] down_read+0xe4/0x480 kernel/locking/rwsem.c:1464 mmap_read_lock include/linux/mmap_lock.h:117 [inline] do_user_addr_fault+0xa1d/0x1250 arch/x86/mm/fault.c:1341 handle_page_fault arch/x86/mm/fault.c:1475 [inline] exc_page_fault+0xad/0x1a0 arch/x86/mm/fault.c:1531 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568 RIP: 0033:0x6 RSP: 002b:00007f58174bb1b0 EFLAGS: 00010217 RAX: 0000000000000000 RBX: 000000000052bfa8 RCX: 0000000000461089 RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000000000100100 RBP: 0000000000000005 R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004ea678 R14: 00000000004aba7b R15: 00007f58174bb6bc INFO: task syz-executor.2:5788 can't die for more than 153 seconds. task:syz-executor.2 state:R running task stack:28232 pid: 5788 ppid: 5783 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:4958 [inline] __schedule+0x925/0x21b0 kernel/sched/core.c:6302