INFO: rcu detected stall in proc_pid_attr_write

Status: auto-obsoleted due to no activity on 2025/01/03 07:26
Subsystems: lsm
[Documentation on labels]
First crash: 675d, last: 675d

Sample crash report:
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
 0-...D
 } 2664 jiffies s: 525 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):

Sending NMI from CPU 1 to CPUs 0:
 might_resched include/linux/kernel.h:73 [inline]
 down_write+0x74/0x200 kernel/locking/rwsem.c:1576
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 4918 Comm: udevd Not tainted 6.12.0-rc1-syzkaller-00027-g4a9fe2a8ac53 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:io_serial_in+0x87/0xb0 drivers/tty/serial/8250/8250_port.c:407
Code: 6d b5 fe 48 8d 7d 40 44 89 e1 48 b8 00 00 00 00 00 fc ff df 48 89 fa d3 e3 48 c1 ea 03 80 3c 02 00 75 1a 66 03 5d 40 89 da ec <5b> 0f b6 c0 5d 41 5c c3 cc cc cc cc e8 38 eb 0d ff eb a2 e8 c1 eb
RSP: 0018:ffffc90000006f08 EFLAGS: 00000002
RAX: dffffc0000000060 RBX: 00000000000003fd RCX: 0000000000000000
RDX: 00000000000003fd RSI: ffffffff82a07780 RDI: ffffffff936356a0
RBP: ffffffff93635660 R08: 0000000000000001 R09: 000000000000001f
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000020 R14: fffffbfff26c6b26 R15: dffffc0000000000
FS:  00007f1ea0b06c80(0000) GS:ffff8881f5800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005623a6b1b398 CR3: 000000011a9bc000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 serial_in drivers/tty/serial/8250/8250.h:137 [inline]
 serial_lsr_in drivers/tty/serial/8250/8250.h:159 [inline]
 wait_for_lsr+0xda/0x180 drivers/tty/serial/8250/8250_port.c:2068
 serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3315 [inline]
 serial8250_console_write+0xf5a/0x17c0 drivers/tty/serial/8250/8250_port.c:3393
 console_emit_next_record kernel/printk/printk.c:3092 [inline]
 console_flush_all+0x800/0xc60 kernel/printk/printk.c:3180
 __console_flush_and_unlock kernel/printk/printk.c:3239 [inline]
 console_unlock+0xd9/0x210 kernel/printk/printk.c:3279
 vprintk_emit+0x424/0x6f0 kernel/printk/printk.c:2407
 vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:68
 _printk+0xc8/0x100 kernel/printk/printk.c:2432
 printk_stack_address arch/x86/kernel/dumpstack.c:72 [inline]
 show_trace_log_lvl+0x21f/0x3d0 arch/x86/kernel/dumpstack.c:285
 sched_show_task kernel/sched/core.c:7582 [inline]
 sched_show_task+0x3f0/0x5f0 kernel/sched/core.c:7557
 show_state_filter+0xee/0x320 kernel/sched/core.c:7627
 k_spec drivers/tty/vt/keyboard.c:667 [inline]
 k_spec+0xed/0x150 drivers/tty/vt/keyboard.c:656
 kbd_keycode drivers/tty/vt/keyboard.c:1522 [inline]
 kbd_event+0xcbd/0x17a0 drivers/tty/vt/keyboard.c:1541
 input_handler_events_default+0x116/0x1b0 drivers/input/input.c:2549
 input_pass_values+0x777/0x8e0 drivers/input/input.c:126
 input_event_dispose drivers/input/input.c:352 [inline]
 input_handle_event+0xb30/0x14d0 drivers/input/input.c:369
 input_event drivers/input/input.c:398 [inline]
 input_event+0x83/0xa0 drivers/input/input.c:390
 hidinput_hid_event+0xa12/0x2410 drivers/hid/hid-input.c:1719
 hid_process_event+0x4b7/0x5e0 drivers/hid/hid-core.c:1540
 hid_input_array_field+0x535/0x710 drivers/hid/hid-core.c:1652
 hid_process_report drivers/hid/hid-core.c:1694 [inline]
 hid_report_raw_event+0xa02/0x11c0 drivers/hid/hid-core.c:2040
 __hid_input_report.constprop.0+0x341/0x440 drivers/hid/hid-core.c:2110
 hid_irq_in+0x35e/0x870 drivers/hid/usbhid/hid-core.c:285
 __usb_hcd_giveback_urb+0x389/0x6e0 drivers/usb/core/hcd.c:1650
 usb_hcd_giveback_urb+0x396/0x450 drivers/usb/core/hcd.c:1734
 dummy_timer+0x17c3/0x38d0 drivers/usb/gadget/udc/dummy_hcd.c:1988
 __run_hrtimer kernel/time/hrtimer.c:1691 [inline]
 __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1755
 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1772
 handle_softirqs+0x206/0x8d0 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu kernel/softirq.c:637 [inline]
 irq_exit_rcu+0xac/0x110 kernel/softirq.c:649
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline]
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1037
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:commit_creds+0x0/0x1050 kernel/cred.c:393
Code: 00 90 0f 0b 48 89 df e8 2e 3b 88 00 eb 8e 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 41 57 41 56 41 55 41 54 55 53 48 89 fb 48 83 ec 58 e8
RSP: 0018:ffffc900024ffbc0 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000022 RCX: ffffffff8229cc8d
RDX: ffff88811c143a80 RSI: ffffffff8229ce29 RDI: ffff88811e81e100
RBP: 000000000000001b R08: 0000000000000007 R09: 0000000000000066
R10: 0000000000000066 R11: 0000000000000000 R12: 1ffff9200049ff7c
R13: 000000000000001b R14: ffff88811e81e100 R15: 0000000000000044
 selinux_lsm_setattr+0x4b4/0x910 security/selinux/hooks.c:6526
 selinux_setprocattr+0x41/0x60 security/selinux/hooks.c:6593
 security_setprocattr+0x144/0x1a0 security/security.c:4258
 proc_pid_attr_write+0x332/0x790 fs/proc/base.c:2844
 vfs_write+0x28e/0x1140 fs/read_write.c:681
 ksys_write+0x12f/0x260 fs/read_write.c:736
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1ea0c31bf2
Code: 89 c7 48 89 44 24 08 e8 7b 34 fa ff 48 8b 44 24 08 48 83 c4 28 c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 6f 48 8b 15 07 a2 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007fff111e3bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1ea0b06b70 RCX: 00007f1ea0c31bf2
RDX: 000000000000001b RSI: 00005623a6ac1a50 RDI: 0000000000000008
RBP: 00005623a6ac1a50 R08: 0000000000000000 R09: 765eda3945e6b3a0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
R13: ffffffffffffffff R14: 00007fff111e3bc0 R15: 00007fff111e4647
 </TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:5800  tgid:5800  ppid:59     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:kworker/u8:7    state:R  running task     stack:28784 pid:5811  tgid:5811  ppid:1285   flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:kworker/u8:5    state:R  running task     stack:32568 pid:5819  tgid:5819  ppid:782    flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:5822  tgid:5822  ppid:1285   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6854
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7192
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:5826  tgid:5826  ppid:28     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:5828  tgid:5828  ppid:1314   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:5836  tgid:5836  ppid:28     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:modprobe        state:R  running task     stack:23984 pid:5843  tgid:5843  ppid:1285   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:5850  tgid:5850  ppid:1314   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8b0c893a90
RSP: 002b:00007ffefeb11248 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f8b0c984860 RCX: 00007f8b0c893a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f8b0c984860 R08: 0000000000000001 R09: bd2f59b9609fce56
R10: 00007ffefeb11100 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f8b0c988658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:5858  tgid:5858  ppid:59     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:5866  tgid:5866  ppid:782    flags:0x00000000
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:24416 pid:5882  tgid:5882  ppid:1314   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f54c4baba90
RSP: 002b:00007ffd25e16b18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f54c4c9c860 RCX: 00007f54c4baba90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f54c4c9c860 R08: 0000000000000001 R09: 774936ab8b260ff7
R10: 00007ffd25e169d0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f54c4ca0658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:5889  tgid:5889  ppid:28     flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:kworker/u8:7    state:R  running task     stack:32568 pid:5893  tgid:5893  ppid:1285   flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:5898  tgid:5898  ppid:59     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:5904  tgid:5904  ppid:782    flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff957212a90
RSP: 002b:00007ffde0cfb5a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007ff957303860 RCX: 00007ff957212a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007ff957303860 R08: 0000000000000001 R09: 886edcbc93271a28
R10: 00007ffde0cfb460 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007ff957307658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24416 pid:5911  tgid:5911  ppid:1285   flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:5919  tgid:5919  ppid:1285   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:5926  tgid:5926  ppid:59     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:5927  tgid:5927  ppid:1314   flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:5942  tgid:5942  ppid:28     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7faff35aca90
RSP: 002b:00007fff3a26fac8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007faff369d860 RCX: 00007faff35aca90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007faff369d860 R08: 0000000000000001 R09: 9d089ff3c29beb85
R10: 00007fff3a26f980 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007faff36a1658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:23984 pid:5945  tgid:5945  ppid:59     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:5953  tgid:5953  ppid:1314   flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:kworker/u8:1    state:R  running task     stack:32568 pid:5960  tgid:5960  ppid:28     flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:5965  tgid:5965  ppid:782    flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f90d4647a90
RSP: 002b:00007ffce334a378 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f90d4738860 RCX: 00007f90d4647a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f90d4738860 R08: 0000000000000001 R09: ca157790f9e5d8bd
R10: 00007ffce334a230 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f90d473c658 R15: 0000000000000001
 </TASK>
task:kworker/u8:4    state:R  running task     stack:32568 pid:5971  tgid:5971  ppid:59     flags:0x00004000
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:5974  tgid:5974  ppid:782    flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f62a41fba90
RSP: 002b:00007fff9cf40238 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f62a42ec860 RCX: 00007f62a41fba90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f62a42ec860 R08: 0000000000000001 R09: 422ce30293588556
R10: 00007fff9cf400f0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f62a42f0658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:5980  tgid:5980  ppid:59     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3dd04c6a90
RSP: 002b:00007fffb4173cb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f3dd05b7860 RCX: 00007f3dd04c6a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f3dd05b7860 R08: 0000000000000001 R09: 5a534c26274b3383
R10: 00007fffb4173b70 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f3dd05bb658 R15: 0000000000000001
 </TASK>
task:kworker/u8:5    state:R  running task     stack:32568 pid:5982  tgid:5982  ppid:782    flags:0x00004000
Call Trace:
 <TASK>
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:5989  tgid:5989  ppid:1314   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6854
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7192
 might_resched include/linux/kernel.h:73 [inline]
 down_write+0x74/0x200 kernel/locking/rwsem.c:1576
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:5993  tgid:5993  ppid:28     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4378939a90
RSP: 002b:00007ffc608143f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f4378a2a860 RCX: 00007f4378939a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f4378a2a860 R08: 0000000000000001 R09: f0a515244bce0e06
R10: 00007ffc608142b0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f4378a2e658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:5999  tgid:5999  ppid:782    flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff7affa6a90
RSP: 002b:00007ffcb1cab108 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007ff7b0097860 RCX: 00007ff7affa6a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007ff7b0097860 R08: 0000000000000001 R09: a63b6123fed7b663
R10: 00007ffcb1caafc0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007ff7b009b658 R15: 0000000000000001
 </TASK>
task:kworker/u8:4    state:R  running task     stack:32568 pid:6006  tgid:6006  ppid:59     flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:6012  tgid:6012  ppid:782    flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:6016  tgid:6016  ppid:782    flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6854
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7192
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:6023  tgid:6023  ppid:1314   flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:kworker/u8:5    state:R  running task     stack:32568 pid:6030  tgid:6030  ppid:782    flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:6034  tgid:6034  ppid:1285   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6854
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7192
 might_resched include/linux/kernel.h:73 [inline]
 mmu_notifier_invalidate_range_start include/linux/mmu_notifier.h:434 [inline]
 unmap_vmas+0x162/0x490 mm/memory.c:1895
 </TASK>
task:kworker/u8:8    state:R  running task     stack:28784 pid:6037  tgid:6037  ppid:1314   flags:0x00004000
Call Trace:
 <TASK>
 </TASK>
task:kworker/u8:1    state:R  running task     stack:32568 pid:6044  tgid:6044  ppid:28     flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25344 pid:6048  tgid:6048  ppid:59     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:6055  tgid:6055  ppid:1285   flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:kworker/u8:8    state:R  running task     stack:32568 pid:6059  tgid:6059  ppid:1314   flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:6062  tgid:6062  ppid:28     flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6854
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7192
 might_resched include/linux/kernel.h:73 [inline]
 down_read+0x78/0x330 kernel/locking/rwsem.c:1523
 </TASK>
task:kworker/u8:5    state:R  running task     stack:28784 pid:6067  tgid:6067  ppid:782    flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:6072  tgid:6072  ppid:1314   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:kworker/u8:4    state:R  running task     stack:28784 pid:6079  tgid:6079  ppid:59     flags:0x00004000
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:6091  tgid:6091  ppid:28     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6854
 </TASK>
task:kworker/u8:4    state:R  running task     stack:32568 pid:6095  tgid:6095  ppid:59     flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:6100  tgid:6100  ppid:1314   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:kworker/u8:1    state:R  running task     stack:32568 pid:6106  tgid:6106  ppid:28     flags:0x00004000
Call Trace:
 <TASK>
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:6109  tgid:6109  ppid:782    flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:6112  tgid:6112  ppid:1285   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:kworker/u8:5    state:R  running task     stack:32568 pid:6122  tgid:6122  ppid:782    flags:0x00004000
Call Trace:
 <TASK>
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:6126  tgid:6126  ppid:59     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbef198ba90
RSP: 002b:00007fffb5df0728 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fbef1a7c860 RCX: 00007fbef198ba90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fbef1a7c860 R08: 0000000000000001 R09: ad4f2c4033fe489d
R10: 00007fffb5df05e0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fbef1a80658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:6129  tgid:6129  ppid:1285   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6854
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7192
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:6136  tgid:6136  ppid:782    flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6854
 </TASK>
task:modprobe        state:R  running task     stack:26144 pid:6143  tgid:6143  ppid:1285   flags:0x00000000
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:6150  tgid:6150  ppid:1314   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:6155  tgid:6155  ppid:28     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe2e9215a90
RSP: 002b:00007ffebbb8e198 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fe2e9306860 RCX: 00007fe2e9215a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fe2e9306860 R08: 0000000000000001 R09: 908bf080817259a0
R10: 00007ffebbb8e050 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fe2e930a658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24704 pid:6161  tgid:6161  ppid:782    flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f94db5c6a90
RSP: 002b:00007fffe8dab538 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f94db6b7860 RCX: 00007f94db5c6a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f94db6b7860 R08: 0000000000000001 R09: 7ef56d9f96fa8f5e
R10: 00007fffe8dab3f0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f94db6bb658 R15: 0000000000000001
 </TASK>
task:kworker/u8:4    state:R  running task     stack:32568 pid:6169  tgid:6169  ppid:59     flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:6170  tgid:6170  ppid:1285   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:6177  tgid:6177  ppid:28     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f122197ca90
RSP: 002b:00007ffde0cc0838 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f1221a6d860 RCX: 00007f122197ca90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f1221a6d860 R08: 0000000000000001 R09: fd2fe5026c23a721
R10: 00007ffde0cc06f0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f1221a71658 R15: 0000000000000001
 </TASK>
task:kworker/u8:1    state:R  running task     stack:32568 pid:6181  tgid:6181  ppid:28     flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25408 pid:6186  tgid:6186  ppid:59     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:23984 pid:6191  tgid:6191  ppid:1285   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x105f/0x34b0 kernel/sched/core.c:6675
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6691
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3334173a90
RSP: 002b:00007ffc6b2325a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f3334264860 RCX: 00007f3334173a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/10/05 07:22 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4a9fe2a8ac53 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in proc_pid_attr_write
* Struck through repros no longer work on HEAD.