INFO: task syz.1.16:6895 blocked for more than 143 seconds. Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.16 state:D stack:28472 pid:6895 tgid:6891 ppid:6667 task_flags:0x400640 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5357 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6961 __schedule_loop kernel/sched/core.c:7043 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7058 schedule_timeout+0x257/0x290 kernel/time/sleep_timeout.c:75 do_wait_for_common kernel/sched/completion.c:100 [inline] __wait_for_common+0x2fc/0x4e0 kernel/sched/completion.c:121 wait_for_common kernel/sched/completion.c:132 [inline] wait_for_completion_state+0x1c/0x40 kernel/sched/completion.c:269 coredump_wait fs/coredump.c:534 [inline] vfs_coredump+0x981/0x56d0 fs/coredump.c:1129 get_signal+0x22e3/0x26d0 kernel/signal.c:3019 arch_do_signal_or_restart+0x8f/0x790 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop+0x84/0x110 kernel/entry/common.c:40 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline] do_syscall_64+0x3f6/0x490 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f558ed7e819 RSP: 002b:00007f558fbb80e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f558ef36088 RCX: 00007f558ed7e819 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f558ef3608c RBP: 00007f558ef36080 R08: 00007f558fbda000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f558ef3608c R13: 0000000000000000 R14: 00007fff812eb920 R15: 00007fff812eba08 INFO: task syz.3.18:6902 blocked for more than 145 seconds. Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.18 state:D stack:28472 pid:6902 tgid:6899 ppid:6680 task_flags:0x400640 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5357 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6961 __schedule_loop kernel/sched/core.c:7043 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7058 schedule_timeout+0x257/0x290 kernel/time/sleep_timeout.c:75 do_wait_for_common kernel/sched/completion.c:100 [inline] __wait_for_common+0x2fc/0x4e0 kernel/sched/completion.c:121 wait_for_common kernel/sched/completion.c:132 [inline] wait_for_completion_state+0x1c/0x40 kernel/sched/completion.c:269 coredump_wait fs/coredump.c:534 [inline] vfs_coredump+0x981/0x56d0 fs/coredump.c:1129 get_signal+0x22e3/0x26d0 kernel/signal.c:3019 arch_do_signal_or_restart+0x8f/0x790 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop+0x84/0x110 kernel/entry/common.c:40 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline] do_syscall_64+0x3f6/0x490 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5db217e819 RSP: 002b:00007f5db2fb00e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f5db2336088 RCX: 00007f5db217e819 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f5db233608c RBP: 00007f5db2336080 R08: 00007f5db2fd2000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5db233608c R13: 0000000000000000 R14: 00007fffcdcf26f0 R15: 00007fffcdcf27d8 INFO: task syz.2.17:6905 blocked for more than 148 seconds. Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.17 state:D stack:28472 pid:6905 tgid:6903 ppid:6674 task_flags:0x400640 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5357 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6961 __schedule_loop kernel/sched/core.c:7043 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7058 schedule_timeout+0x257/0x290 kernel/time/sleep_timeout.c:75 do_wait_for_common kernel/sched/completion.c:100 [inline] __wait_for_common+0x2fc/0x4e0 kernel/sched/completion.c:121 wait_for_common kernel/sched/completion.c:132 [inline] wait_for_completion_state+0x1c/0x40 kernel/sched/completion.c:269 coredump_wait fs/coredump.c:534 [inline] vfs_coredump+0x981/0x56d0 fs/coredump.c:1129 get_signal+0x22e3/0x26d0 kernel/signal.c:3019 arch_do_signal_or_restart+0x8f/0x790 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop+0x84/0x110 kernel/entry/common.c:40 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline] do_syscall_64+0x3f6/0x490 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd8d1f7e819 RSP: 002b:00007fd8d2ce20e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007fd8d2136088 RCX: 00007fd8d1f7e819 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fd8d213608c RBP: 00007fd8d2136080 R08: 00007fd8d2d04000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd8d213608c R13: 0000000000000000 R14: 00007ffe18936b40 R15: 00007ffe18936c28 INFO: task syz.0.15:6910 blocked for more than 150 seconds. Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.15 state:D stack:28248 pid:6910 tgid:6908 ppid:6669 task_flags:0x400640 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5357 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6961 __schedule_loop kernel/sched/core.c:7043 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7058 schedule_timeout+0x257/0x290 kernel/time/sleep_timeout.c:75 do_wait_for_common kernel/sched/completion.c:100 [inline] __wait_for_common+0x2fc/0x4e0 kernel/sched/completion.c:121 wait_for_common kernel/sched/completion.c:132 [inline] wait_for_completion_state+0x1c/0x40 kernel/sched/completion.c:269 coredump_wait fs/coredump.c:534 [inline] vfs_coredump+0x981/0x56d0 fs/coredump.c:1129 get_signal+0x22e3/0x26d0 kernel/signal.c:3019 arch_do_signal_or_restart+0x8f/0x790 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop+0x84/0x110 kernel/entry/common.c:40 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline] do_syscall_64+0x3f6/0x490 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5997d7e819 RSP: 002b:00007f5998b070e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f5997f36088 RCX: 00007f5997d7e819 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f5997f3608c RBP: 00007f5997f36080 R08: 00007f5998b29000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5997f3608c R13: 0000000000000000 R14: 00007ffd9f452d80 R15: 00007ffd9f452e68 Showing all locks held in the system: 1 lock held by khungtaskd/31: