INFO: task syz-executor362:6264 blocked for more than 143 seconds.
      Not tainted 6.17.0-rc1-next-20250814-syzkaller #0
      Blocked by coredump.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor362 state:D stack:26344 pid:6264  tgid:6262  ppid:5871   task_flags:0x400548 flags:0x00024002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x1798/0x4cc0 kernel/sched/core.c:6961
 __schedule_loop kernel/sched/core.c:7043 [inline]
 schedule+0x165/0x360 kernel/sched/core.c:7058
 schedule_timeout+0x9a/0x270 kernel/time/sleep_timeout.c:75
 do_wait_for_common kernel/sched/completion.c:100 [inline]
 __wait_for_common kernel/sched/completion.c:121 [inline]
 wait_for_common kernel/sched/completion.c:132 [inline]
 wait_for_completion+0x2bf/0x5d0 kernel/sched/completion.c:153
 io_wq_exit_workers io_uring/io-wq.c:1327 [inline]
 io_wq_put_and_exit+0x316/0x650 io_uring/io-wq.c:1355
 io_uring_clean_tctx+0x11f/0x1a0 io_uring/tctx.c:203
 io_uring_cancel_generic+0x6ca/0x7d0 io_uring/io_uring.c:3272
 io_uring_files_cancel include/linux/io_uring.h:19 [inline]
 do_exit+0x345/0x2300 kernel/exit.c:907
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1102
 get_signal+0x1286/0x1340 kernel/signal.c:3034
 arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop+0x75/0x110 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+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdd5a171309
RSP: 002b:00007fdd5a11f218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fdd5a1f1328 RCX: 00007fdd5a171309
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fdd5a1f1328
RBP: 00007fdd5a1f1320 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdd5a1be1bc
R13: 0000000000000000 R14: 0000200000000200 R15: 00007ffc41fdab18
 </TASK>
INFO: task syz-executor362:6371 blocked for more than 145 seconds.
      Not tainted 6.17.0-rc1-next-20250814-syzkaller #0
      Blocked by coredump.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor362 state:D stack:27424 pid:6371  tgid:6370  ppid:5873   task_flags:0x400548 flags:0x00024002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x1798/0x4cc0 kernel/sched/core.c:6961
 __schedule_loop kernel/sched/core.c:7043 [inline]
 schedule+0x165/0x360 kernel/sched/core.c:7058
 schedule_timeout+0x9a/0x270 kernel/time/sleep_timeout.c:75
 do_wait_for_common kernel/sched/completion.c:100 [inline]
 __wait_for_common kernel/sched/completion.c:121 [inline]
 wait_for_common kernel/sched/completion.c:132 [inline]
 wait_for_completion+0x2bf/0x5d0 kernel/sched/completion.c:153
 io_wq_exit_workers io_uring/io-wq.c:1327 [inline]
 io_wq_put_and_exit+0x316/0x650 io_uring/io-wq.c:1355
 io_uring_clean_tctx+0x11f/0x1a0 io_uring/tctx.c:203
 io_uring_cancel_generic+0x6ca/0x7d0 io_uring/io_uring.c:3272
 io_uring_files_cancel include/linux/io_uring.h:19 [inline]
 do_exit+0x345/0x2300 kernel/exit.c:907
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1102
 get_signal+0x1286/0x1340 kernel/signal.c:3034
 arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop+0x75/0x110 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+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdd5a171309
RSP: 002b:00007fdd5a11f218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fdd5a1f1328 RCX: 00007fdd5a171309
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fdd5a1f1328
RBP: 00007fdd5a1f1320 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdd5a1be1bc
R13: 0000000000000000 R14: 0000200000000200 R15: 00007ffc41fdab18
 </TASK>
INFO: task syz-executor362:6472 blocked for more than 147 seconds.
      Not tainted 6.17.0-rc1-next-20250814-syzkaller #0
      Blocked by coredump.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor362 state:D stack:25384 pid:6472  tgid:6469  ppid:5865   task_flags:0x400548 flags:0x00024002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x1798/0x4cc0 kernel/sched/core.c:6961
 __schedule_loop kernel/sched/core.c:7043 [inline]
 schedule+0x165/0x360 kernel/sched/core.c:7058
 schedule_timeout+0x9a/0x270 kernel/time/sleep_timeout.c:75
 do_wait_for_common kernel/sched/completion.c:100 [inline]
 __wait_for_common kernel/sched/completion.c:121 [inline]
 wait_for_common kernel/sched/completion.c:132 [inline]
 wait_for_completion+0x2bf/0x5d0 kernel/sched/completion.c:153
 io_wq_exit_workers io_uring/io-wq.c:1327 [inline]
 io_wq_put_and_exit+0x316/0x650 io_uring/io-wq.c:1355
 io_uring_clean_tctx+0x11f/0x1a0 io_uring/tctx.c:203
 io_uring_cancel_generic+0x6ca/0x7d0 io_uring/io_uring.c:3272
 io_uring_files_cancel include/linux/io_uring.h:19 [inline]
 do_exit+0x345/0x2300 kernel/exit.c:907
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1102
 get_signal+0x1286/0x1340 kernel/signal.c:3034
 arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop+0x75/0x110 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+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdd5a171309
RSP: 002b:00007fdd5a0fe218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fdd5a1f1338 RCX: 00007fdd5a171309
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fdd5a1f1338
RBP: 00007fdd5a1f1330 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdd5a1be1bc
R13: 0000000000000003 R14: 0000200000000200 R15: 0000200000000640
 </TASK>
INFO: task syz-executor362:6674 blocked for more than 148 seconds.
      Not tainted 6.17.0-rc1-next-20250814-syzkaller #0
      Blocked by coredump.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor362 state:D stack:26728 pid:6674  tgid:6673  ppid:5868   task_flags:0x400548 flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x1798/0x4cc0 kernel/sched/core.c:6961
 __schedule_loop kernel/sched/core.c:7043 [inline]
 schedule+0x165/0x360 kernel/sched/core.c:7058
 schedule_timeout+0x9a/0x270 kernel/time/sleep_timeout.c:75
 do_wait_for_common kernel/sched/completion.c:100 [inline]
 __wait_for_common kernel/sched/completion.c:121 [inline]
 wait_for_common kernel/sched/completion.c:132 [inline]
 wait_for_completion+0x2bf/0x5d0 kernel/sched/completion.c:153
 io_wq_exit_workers io_uring/io-wq.c:1327 [inline]
 io_wq_put_and_exit+0x316/0x650 io_uring/io-wq.c:1355
 io_uring_clean_tctx+0x11f/0x1a0 io_uring/tctx.c:203
 io_uring_cancel_generic+0x6ca/0x7d0 io_uring/io_uring.c:3272
 io_uring_files_cancel include/linux/io_uring.h:19 [inline]
 do_exit+0x345/0x2300 kernel/exit.c:907
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1102
 get_signal+0x1286/0x1340 kernel/signal.c:3034
 arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop+0x75/0x110 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+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdd5a171309
RSP: 002b:00007fdd5a11f218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 00007fdd5a1f1328 RCX: 00007fdd5a171309
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fdd5a1f132c
RBP: 00007fdd5a1f1320 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdd5a1be1bc
R13: 0000000000000000 R14: 0000200000000200 R15: 00007ffc41fdab18
 </TASK>
INFO: task syz-executor362:6676 blocked for more than 150 seconds.
      Not tainted 6.17.0-rc1-next-20250814-syzkaller #0
      Blocked by coredump.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor362 state:D stack:26728 pid:6676  tgid:6675  ppid:5867   task_flags:0x400548 flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x1798/0x4cc0 kernel/sched/core.c:6961
 __schedule_loop kernel/sched/core.c:7043 [inline]
 schedule+0x165/0x360 kernel/sched/core.c:7058
 schedule_timeout+0x9a/0x270 kernel/time/sleep_timeout.c:75
 do_wait_for_common kernel/sched/completion.c:100 [inline]
 __wait_for_common kernel/sched/completion.c:121 [inline]
 wait_for_common kernel/sched/completion.c:132 [inline]
 wait_for_completion+0x2bf/0x5d0 kernel/sched/completion.c:153
 io_wq_exit_workers io_uring/io-wq.c:1327 [inline]
 io_wq_put_and_exit+0x316/0x650 io_uring/io-wq.c:1355
 io_uring_clean_tctx+0x11f/0x1a0 io_uring/tctx.c:203
 io_uring_cancel_generic+0x6ca/0x7d0 io_uring/io_uring.c:3272
 io_uring_files_cancel include/linux/io_uring.h:19 [inline]
 do_exit+0x345/0x2300 kernel/exit.c:907
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1102
 get_signal+0x1286/0x1340 kernel/signal.c:3034
 arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop+0x75/0x110 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+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdd5a171309
RSP: 002b:00007fdd5a11f218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 00007fdd5a1f1328 RCX: 00007fdd5a171309
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fdd5a1f132c
RBP: 00007fdd5a1f1320 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdd5a1be1bc
R13: 0000000000000000 R14: 0000200000000200 R15: 00007ffc41fdab18
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x39e/0x3d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x17a/0x300 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:332 [inline]
 watchdog+0xf60/0xfa0 kernel/hung_task.c:495
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 6681 Comm: iou-wrk-6674 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:kasan_check_range+0xe/0x2c0 mm/kasan/generic.c:199
Code: 0b cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 55 41 57 41 56 41 55 41 54 53 <b0> 01 48 85 f6 0f 84 ba 01 00 00 4c 8d 04 37 49 39 f8 0f 82 82 02
RSP: 0018:ffffc9000aeaf698 EFLAGS: 00000246
RAX: ffffffff84c9ed1f RBX: 0000000000000008 RCX: ffffffff84c9ed29
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffc9000aeaf760
RBP: ffffc9000aeaf7e0 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f47627 R12: 0000200000e34d70
R13: 00007ffffffff000 R14: ffffc9000aeaf760 R15: 0000200000e34d68
FS:  00007fdd5a11f6c0(0000) GS:ffff888125c0f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000e34000 CR3: 000000007d112000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 instrument_copy_to_user include/linux/instrumented.h:112 [inline]
 _inline_copy_to_user include/linux/uaccess.h:196 [inline]
 _copy_to_user+0x79/0xb0 lib/usercopy.c:26
 copy_to_user include/linux/uaccess.h:225 [inline]
 msr_read+0x177/0x250 arch/x86/kernel/msr.c:69
 loop_rw_iter+0x425/0x660 include/linux/uio.h:-1
 io_iter_do_read io_uring/rw.c:830 [inline]
 __io_read+0x1326/0x14f0 io_uring/rw.c:941
 io_read+0x1c/0x60 io_uring/rw.c:1020
 __io_issue_sqe+0x17e/0x4b0 io_uring/io_uring.c:1773
 io_issue_sqe+0x165/0xfd0 io_uring/io_uring.c:1796
 io_wq_submit_work+0x6e9/0xb90 io_uring/io_uring.c:1908
 io_worker_handle_work+0x7cd/0x1180 io_uring/io-wq.c:650
 io_wq_worker+0x42f/0xeb0 io_uring/io-wq.c:704
 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>