rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2640 jiffies s: 37833 root: 0x2/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 20489 Comm: syz.1.2865 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:__sanitizer_cov_trace_const_cmp1+0x0/0x20 kernel/kcov.c:299 Code: 0c 24 48 89 f2 48 89 fe bf 06 00 00 00 e9 b8 fe ff ff 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 0c 24 40 0f b6 d6 40 0f b6 f7 bf 01 00 00 00 e9 RSP: 0018:ffffc900001b7af8 EFLAGS: 00000046 RAX: 0000000000000000 RBX: ffffffff8728c721 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000025 R11: 0000000000921bb0 R12: ffffc900001b7c00 R13: 0000000000000025 R14: ffffc900001b7c98 R15: 000000007fffffff FS: 0000555555f32500(0000) GS:ffff8881f5900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001000 CR3: 0000000117dbc000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: format_decode+0xd6/0xba0 lib/vsprintf.c:2516 vsnprintf+0x13d/0x1880 lib/vsprintf.c:2755 sprintf+0xcd/0x110 lib/vsprintf.c:3007 print_time kernel/printk/printk.c:1362 [inline] info_print_prefix+0x25c/0x350 kernel/printk/printk.c:1388 record_print_text+0x141/0x400 kernel/printk/printk.c:1437 printk_get_next_message+0x2a6/0x670 kernel/printk/printk.c:2978 console_emit_next_record kernel/printk/printk.c:3046 [inline] console_flush_all+0x6ec/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+0x1b7/0x3d0 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 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:mas_root lib/maple_tree.c:833 [inline] RIP: 0010:mas_start lib/maple_tree.c:1361 [inline] RIP: 0010:mas_state_walk lib/maple_tree.c:3594 [inline] RIP: 0010:mas_walk+0xd3/0x910 lib/maple_tree.c:4948 Code: 30 e8 21 c0 74 fa 48 8b 44 24 28 80 38 00 0f 85 2b 07 00 00 48 8b 44 24 30 48 c7 45 20 00 00 00 00 80 38 00 0f 85 24 07 00 00 <48> 89 e8 4d 89 f5 48 c7 45 28 ff ff ff ff 48 c1 e8 03 49 c1 ed 03 RSP: 0018:ffffc90001b8f728 EFLAGS: 00000246 RAX: fffff52000371f0a RBX: 0000000000000000 RCX: ffffc90001b8f848 RDX: ffff888117980000 RSI: ffffffff86e124ff RDI: 0000000000000005 RBP: ffffc90001b8f828 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000000 R12: dffffc0000000000 R13: ffffc90001b8f860 R14: ffffc90001b8f864 R15: ffffc90001b8f865 mas_find_setup lib/maple_tree.c:6015 [inline] mas_find+0x107/0x530 lib/maple_tree.c:6055 vma_next include/linux/mm.h:1007 [inline] validate_mm+0xeb/0x4d0 mm/vma.c:535 __split_vma+0xbde/0x1130 mm/vma.c:431 split_vma mm/vma.c:460 [inline] vma_modify+0x1443/0x2400 mm/vma.c:1425 vma_modify_flags+0x1c4/0x250 mm/vma.c:1451 mprotect_fixup+0x2c2/0xbe0 mm/mprotect.c:664 do_mprotect_pkey+0x98e/0xd00 mm/mprotect.c:838 __do_sys_mprotect mm/mprotect.c:859 [inline] __se_sys_mprotect mm/mprotect.c:856 [inline] __x64_sys_mprotect+0x78/0xc0 mm/mprotect.c:856 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: 0033:0x7f735912e0b7 Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffcad4db8e8 EFLAGS: 00000206 ORIG_RAX: 000000000000000a RAX: ffffffffffffffda RBX: 00007f7357d866c0 RCX: 00007f735912e0b7 RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007f7357d67000 RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000 R10: 0000000000021000 R11: 0000000000000206 R12: 00007ffcad4dba40 R13: ffffffffffffffc0 R14: 0000000000001000 R15: 0000000000000000 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088 get_signal+0x25fb/0x2770 kernel/signal.c:2917 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x147/0x260 kernel/entry/common.c:218 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f735912dbfb RSP: 002b:00007f7357da5f70 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: fffffffffffffffc RBX: 00000000ffffff75 RCX: 00007f735912dbfb RDX: 00007f7357da5ff0 RSI: 0000000040085507 RDI: 0000000000000003 RBP: 0000000000000003 R08: 00007f7359410320 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 00000000200002c0 R13: 0000000000000000 R14: 00007f73592e5f80 R15: 00007ffcad4db948 task:syz.3.2867 state:D stack:27856 pid:20493 tgid:20493 ppid:13064 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:320 synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976 module_remove_driver+0x2e/0x260 drivers/base/module.c:106 bus_remove_driver+0x143/0x2c0 drivers/base/bus.c:745 driver_unregister+0x76/0xb0 drivers/base/driver.c:274 usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1731 raw_release+0x1ae/0x2b0 drivers/usb/gadget/legacy/raw_gadget.c:462 __fput+0x3f6/0xb60 fs/file_table.c:431 task_work_run+0x14e/0x250 kernel/task_work.c:228 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0xadd/0x2ce0 kernel/exit.c:939 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088 get_signal+0x25fb/0x2770 kernel/signal.c:2917 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x147/0x260 kernel/entry/common.c:218 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa9d0b1dff9 RSP: 002b:00007ffc49199978 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffdfc RBX: 00007ffc49199aa0 RCX: 00007fa9d0b1dff9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa9d0cd5f8c RBP: 00007fa9d0cd5f8c R08: 00007fa9d099a080 R09: 00007ffc49199c6f R10: 00007ffc49199a80 R11: 0000000000000246 R12: 0000000000167fd6 R13: 00007ffc49199a80 R14: 0000000000000bea R15: 00000000001673ec task:syz.2.2868 state:D stack:27792 pid:20496 tgid:20495 ppid:13060 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 synchronize_rcu_expedited+0x392/0x450 kernel/rcu/tree_exp.h:991 module_remove_driver+0x2e/0x260 drivers/base/module.c:106 bus_remove_driver+0x143/0x2c0 drivers/base/bus.c:745 driver_unregister+0x76/0xb0 drivers/base/driver.c:274 usb_gadget_register_driver_owner+0x1da/0x2f0 drivers/usb/gadget/udc/core.c:1721 raw_ioctl_run drivers/usb/gadget/legacy/raw_gadget.c:595 [inline] raw_ioctl+0x1731/0x2b90 drivers/usb/gadget/legacy/raw_gadget.c:1306 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl fs/ioctl.c:893 [inline] __x64_sys_ioctl+0x18f/0x220 fs/ioctl.c:893 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: 0033:0x7f966ac7dbfb RSP: 002b:00007f96698f4f10 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f966ac7dbfb RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000006 RBP: 00007f96698f5fe0 R08: 0000000000000000 R09: 00322e6364755f79 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f96698f4fb0 R14: 0000000020000000 R15: 00007f966af613f0 task:syz.0.2869 state:D stack:27856 pid:20498 tgid:20497 ppid:13053 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:320 synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976 module_remove_driver+0x2e/0x260 drivers/base/module.c:106 bus_remove_driver+0x143/0x2c0 drivers/base/bus.c:745 driver_unregister+0x76/0xb0 drivers/base/driver.c:274 usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1731 raw_release+0x1ae/0x2b0 drivers/usb/gadget/legacy/raw_gadget.c:462 __fput+0x3f6/0xb60 fs/file_table.c:431 task_work_run+0x14e/0x250 kernel/task_work.c:228 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0xadd/0x2ce0 kernel/exit.c:939 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088 get_signal+0x25fb/0x2770 kernel/signal.c:2917 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x147/0x260 kernel/entry/common.c:218 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f14134000e5 RSP: 002b:00007f1412044f00 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6 RAX: fffffffffffffdfc RBX: 0000000000000003 RCX: 00007f14134000e5 RDX: 00007f1412044f40 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f1412045fe0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003 R13: 0000000800000000 R14: 0000000000000000 R15: 00007f141344a273 task:syz-executor state:D stack:26144 pid:20499 tgid:20499 ppid:2642 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 io_schedule+0xbf/0x130 kernel/sched/core.c:7552 bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:209 __wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49 out_of_line_wait_on_bit+0xda/0x110 kernel/sched/wait_bit.c:64 wait_on_bit_io include/linux/wait_bit.h:101 [inline] do_get_write_access+0x933/0x1270 fs/jbd2/transaction.c:1096 jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1245 __ext4_journal_get_write_access+0x6a/0x390 fs/ext4/ext4_jbd2.c:239 ext4_reserve_inode_write+0x13b/0x270 fs/ext4/inode.c:5773 __ext4_mark_inode_dirty+0x1a6/0x890 fs/ext4/inode.c:5947 ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:5984 __mark_inode_dirty+0x1f6/0xe60 fs/fs-writeback.c:2493 generic_update_time+0xcf/0xf0 fs/inode.c:2041 inode_update_time fs/inode.c:2054 [inline] touch_atime+0x4ee/0x5d0 fs/inode.c:2126 file_accessed include/linux/fs.h:2528 [inline] ext4_file_mmap+0x1c8/0x240 fs/ext4/file.c:797 call_mmap include/linux/fs.h:2172 [inline] mmap_region+0x111d/0x2900 mm/mmap.c:1440 do_mmap+0xc00/0xfc0 mm/mmap.c:496 vm_mmap_pgoff+0x1ba/0x350 mm/util.c:588 ksys_mmap_pgoff+0x32c/0x5c0 mm/mmap.c:542 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:79 [inline] __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:79 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: 0033:0x7f26db1ae033 RSP: 002b:00007ffc7f69b668 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f26db1ae033 RDX: 0000000000000001 RSI: 0000000000400000 RDI: 0000000000000000 RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc7f69b6d0 R13: 00007ffc7f69b6d8 R14: 0000000000000009 R15: 0000000000000000 task:syz-executor state:D stack:26144 pid:20500 tgid:20500 ppid:2642 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 io_schedule+0xbf/0x130 kernel/sched/core.c:7552 bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:209 __wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49 out_of_line_wait_on_bit+0xda/0x110 kernel/sched/wait_bit.c:64 wait_on_bit_io include/linux/wait_bit.h:101 [inline] do_get_write_access+0x933/0x1270 fs/jbd2/transaction.c:1096 jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1245 __ext4_journal_get_write_access+0x6a/0x390 fs/ext4/ext4_jbd2.c:239 ext4_reserve_inode_write+0x13b/0x270 fs/ext4/inode.c:5773 __ext4_mark_inode_dirty+0x1a6/0x890 fs/ext4/inode.c:5947 ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:5984 __mark_inode_dirty+0x1f6/0xe60 fs/fs-writeback.c:2493 generic_update_time+0xcf/0xf0 fs/inode.c:2041 inode_update_time fs/inode.c:2054 [inline] touch_atime+0x4ee/0x5d0 fs/inode.c:2126 file_accessed include/linux/fs.h:2528 [inline] ext4_file_mmap+0x1c8/0x240 fs/ext4/file.c:797 call_mmap include/linux/fs.h:2172 [inline] mmap_region+0x111d/0x2900 mm/mmap.c:1440 do_mmap+0xc00/0xfc0 mm/mmap.c:496 vm_mmap_pgoff+0x1ba/0x350 mm/util.c:588 ksys_mmap_pgoff+0x32c/0x5c0 mm/mmap.c:542 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:79 [inline] __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:79 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: 0033:0x7f6b4485e033 RSP: 002b:00007ffc1cacd1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6b4485e033 RDX: 0000000000000001 RSI: 0000000000400000 RDI: 0000000000000000 RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc1cacd240 R13: 00007ffc1cacd248 R14: 0000000000000009 R15: 0000000000000000 task:syz-executor state:D stack:26144 pid:20501 tgid:20501 ppid:2642 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 io_schedule+0xbf/0x130 kernel/sched/core.c:7552 bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:209 __wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49 out_of_line_wait_on_bit+0xda/0x110 kernel/sched/wait_bit.c:64 wait_on_bit_io include/linux/wait_bit.h:101 [inline] do_get_write_access+0x933/0x1270 fs/jbd2/transaction.c:1096 jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1245 __ext4_journal_get_write_access+0x6a/0x390 fs/ext4/ext4_jbd2.c:239 ext4_reserve_inode_write+0x13b/0x270 fs/ext4/inode.c:5773 __ext4_mark_inode_dirty+0x1a6/0x890 fs/ext4/inode.c:5947 ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:5984 __mark_inode_dirty+0x1f6/0xe60 fs/fs-writeback.c:2493 generic_update_time+0xcf/0xf0 fs/inode.c:2041 inode_update_time fs/inode.c:2054 [inline] touch_atime+0x4ee/0x5d0 fs/inode.c:2126 file_accessed include/linux/fs.h:2528 [inline] ext4_file_mmap+0x1c8/0x240 fs/ext4/file.c:797 call_mmap include/linux/fs.h:2172 [inline] mmap_region+0x111d/0x2900 mm/mmap.c:1440 do_mmap+0xc00/0xfc0 mm/mmap.c:496 vm_mmap_pgoff+0x1ba/0x350 mm/util.c:588 ksys_mmap_pgoff+0x32c/0x5c0 mm/mmap.c:542 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:79 [inline] __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:79 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: 0033:0x7f503a54e033 RSP: 002b:00007ffc41feb448 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f503a54e033 RDX: 0000000000000001 RSI: 0000000000400000 RDI: 0000000000000000 RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc41feb4b0 R13: 00007ffc41feb4b8 R14: 0000000000000009 R15: 0000000000000000 task:syz-executor state:D stack:26144 pid:20502 tgid:20502 ppid:2642 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 io_schedule+0xbf/0x130 kernel/sched/core.c:7552 bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:209 __wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49 out_of_line_wait_on_bit+0xda/0x110 kernel/sched/wait_bit.c:64 wait_on_bit_io include/linux/wait_bit.h:101 [inline] do_get_write_access+0x933/0x1270 fs/jbd2/transaction.c:1096 jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1245 __ext4_journal_get_write_access+0x6a/0x390 fs/ext4/ext4_jbd2.c:239 ext4_reserve_inode_write+0x13b/0x270 fs/ext4/inode.c:5773 __ext4_mark_inode_dirty+0x1a6/0x890 fs/ext4/inode.c:5947 ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:5984 __mark_inode_dirty+0x1f6/0xe60 fs/fs-writeback.c:2493 generic_update_time+0xcf/0xf0 fs/inode.c:2041 inode_update_time fs/inode.c:2054 [inline] touch_atime+0x4ee/0x5d0 fs/inode.c:2126 file_accessed include/linux/fs.h:2528 [inline] ext4_file_mmap+0x1c8/0x240 fs/ext4/file.c:797 call_mmap include/linux/fs.h:2172 [inline] mmap_region+0x111d/0x2900 mm/mmap.c:1440 do_mmap+0xc00/0xfc0 mm/mmap.c:496 vm_mmap_pgoff+0x1ba/0x350 mm/util.c:588 ksys_mmap_pgoff+0x32c/0x5c0 mm/mmap.c:542 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:79 [inline] __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:79 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: 0033:0x7f28c915e033 RSP: 002b:00007ffef0967908 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f28c915e033 RDX: 0000000000000001 RSI: 0000000000400000 RDI: 0000000000000000 RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffef0967970 R13: 00007ffef0967978 R14: 0000000000000009 R15: 0000000000000000 task:syz-executor state:D stack:26144 pid:20503 tgid:20503 ppid:2642 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 io_schedule+0xbf/0x130 kernel/sched/core.c:7552 bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:209 __wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49 out_of_line_wait_on_bit+0xda/0x110 kernel/sched/wait_bit.c:64 wait_on_bit_io include/linux/wait_bit.h:101 [inline] do_get_write_access+0x933/0x1270 fs/jbd2/transaction.c:1096 jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1245 __ext4_journal_get_write_access+0x6a/0x390 fs/ext4/ext4_jbd2.c:239 ext4_reserve_inode_write+0x13b/0x270 fs/ext4/inode.c:5773 __ext4_mark_inode_dirty+0x1a6/0x890 fs/ext4/inode.c:5947 ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:5984 __mark_inode_dirty+0x1f6/0xe60 fs/fs-writeback.c:2493 generic_update_time+0xcf/0xf0 fs/inode.c:2041 inode_update_time fs/inode.c:2054 [inline] touch_atime+0x4ee/0x5d0 fs/inode.c:2126 file_accessed include/linux/fs.h:2528 [inline] ext4_file_mmap+0x1c8/0x240 fs/ext4/file.c:797 call_mmap include/linux/fs.h:2172 [inline] mmap_region+0x111d/0x2900 mm/mmap.c:1440 do_mmap+0xc00/0xfc0 mm/mmap.c:496 vm_mmap_pgoff+0x1ba/0x350 mm/util.c:588 ksys_mmap_pgoff+0x32c/0x5c0 mm/mmap.c:542 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:79 [inline] __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:79 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: 0033:0x7fd3d865e033 RSP: 002b:00007ffe7d9ad4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd3d865e033 RDX: 0000000000000001 RSI: 0000000000400000 RDI: 0000000000000000 RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe7d9ad560 R13: 00007ffe7d9ad568 R14: 0000000000000009 R15: 0000000000000000 Showing all locks held in the system: 2 locks held by kworker/1:1/36: #0: ffff888100080948 ((wq_completion)events ){+.+.}-{0:0} , at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 #1: ffffc90000267d80 (console_work ){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 7 locks held by kworker/0:2/2512: 2 locks held by getty/2607: #0: ffff88810aaf30a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc900000432f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211 3 locks held by syz-executor/2642: #0: ffff88811fbb68e0 (&vma->vm_lock->lock){++++}-{3:3}, at: vma_start_read include/linux/mm.h:704 [inline] #0: ffff88811fbb68e0 (&vma->vm_lock->lock){++++}-{3:3}, at: lock_vma_under_rcu+0x13e/0x980 mm/memory.c:6228 #1: ffff8881142244f0 (sb_pagefaults ){.+.+}-{0:0} , at: do_page_mkwrite+0x177/0x380 mm/memory.c:3162 #2: ffff88811404c958 ( jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448 5 locks held by kworker/1:6/7417: #0: ffff8881062c7548 ( (wq_completion)usb_hub_wq ){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204 #1: ffffc90004ef7d80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 #2: ffff888109baa190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] ffff888109baa190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849 #3: ffff888109bad508 (&port_dev->status_lock){+.+.}-{3:3} , at: usb_lock_port drivers/usb/core/hub.c:3206 [inline] , at: hub_port_connect drivers/usb/core/hub.c:5418 [inline] , at: hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] , at: port_event drivers/usb/core/hub.c:5821 [inline] , at: hub_event+0x28aa/0x4f40 drivers/usb/core/hub.c:5903 #4: ffff88810f2f3f68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5419 [inline] ffff88810f2f3f68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] ffff88810f2f3f68 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5821 [inline] ffff88810f2f3f68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x28d0/0x4f40 drivers/usb/core/hub.c:5903 1 lock held by syz.4.2864/20488: #0: ffffffff88ec6a78 (rcu_state.exp_mutex){+.+.}-{3:3} , at: exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:329 5 locks held by syz.1.2865/20489: #0: ffff888115ad7098 ( &mm->mmap_lock ){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:122 [inline] ){++++}-{3:3}, at: do_mprotect_pkey+0x23b/0xd00 mm/mprotect.c:740 #1: ffff888112973230 (&dev->event_lock){..-.}-{2:2}, at: input_event drivers/input/input.c:397 [inline] (&dev->event_lock){..-.}-{2:2}, at: input_event+0x70/0xa0 drivers/input/input.c:390 #2: ffffffff88ebb100 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] ffffffff88ebb100 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] ffffffff88ebb100 (rcu_read_lock){....}-{1:2}, at: input_pass_values+0x8b/0x8e0 drivers/input/input.c:118 #3: ffffffff89387ad8 (kbd_event_lock){..-.}-{2:2} , at: spin_lock include/linux/spinlock.h:351 [inline] , at: kbd_event+0x8a/0x17a0 drivers/tty/vt/keyboard.c:1535 #4: ffffffff88ebb100 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] ffffffff88ebb100 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] ffffffff88ebb100 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6720 1 lock held by syz.1.2865/20492: #0: ffff888115ad7098 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:144 [inline] ffff888115ad7098 (&mm->mmap_lock){++++}-{3:3}, at: exit_mm kernel/exit.c:547 [inline] ffff888115ad7098 (&mm->mmap_lock){++++}-{3:3}, at: do_exit+0x8b2/0x2ce0 kernel/exit.c:926 1 lock held by syz.2.2868/20496: #0: ffffffff88ec6a78 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock+0x282/0x3b0 kernel/rcu/tree_exp.h:297 3 locks held by syz-executor/20499: #0: ffff88810bb7cb98 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:122 [inline] ffff88810bb7cb98 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x160/0x350 mm/util.c:586 #1: ffff8881142243f8 ( sb_writers#5){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2528 [inline] sb_writers#5){.+.+}-{0:0}, at: ext4_file_mmap+0x1c8/0x240 fs/ext4/file.c:797 #2: ffff88811404c958 ( jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448 3 locks held by syz-executor/20500: #0: ffff88811cef2698 (&mm->mmap_lock){++++}-{3:3} , at: mmap_write_lock_killable include/linux/mmap_lock.h:122 [inline] , at: vm_mmap_pgoff+0x160/0x350 mm/util.c:586 #1: ffff8881142243f8 (sb_writers#5){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2528 [inline] #1: ffff8881142243f8 (sb_writers#5){.+.+}-{0:0}, at: ext4_file_mmap+0x1c8/0x240 fs/ext4/file.c:797 #2: ffff88811404c958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448 3 locks held by syz-executor/20501: #0: ffff888100074b98 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:122 [inline] #0: ffff888100074b98 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x160/0x350 mm/util.c:586 #1: ffff8881142243f8 (sb_writers#5){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2528 [inline] ffff8881142243f8 (sb_writers#5){.+.+}-{0:0}, at: ext4_file_mmap+0x1c8/0x240 fs/ext4/file.c:797 #2: ffff88811404c958 (jbd2_handle){++++}-{0:0} , at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448 3 locks held by syz-executor/20502: #0: ffff888100071d58 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:122 [inline] ffff888100071d58 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x160/0x350 mm/util.c:586 #1: ffff8881142243f8 (sb_writers#5){.+.+}-{0:0} , at: file_accessed include/linux/fs.h:2528 [inline] , at: ext4_file_mmap+0x1c8/0x240 fs/ext4/file.c:797 #2: ffff88811404c958 (jbd2_handle){++++}-{0:0} , at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448 3 locks held by syz-executor/20503: #0: ffff888100076758 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:122 [inline] #0: ffff888100076758 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x160/0x350 mm/util.c:586 #1: ffff8881142243f8 (sb_writers #5){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2528 [inline] #5){.+.+}-{0:0}, at: ext4_file_mmap+0x1c8/0x240 fs/ext4/file.c:797 #2: ffff88811404c958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448 =============================================