------------[ cut here ]------------
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Tainted: G L
------------------------------------------------------
syz.4.6063/24569 is trying to acquire lock:
ffffffff8eb4bf40 (console_owner){-.-.}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:305 [inline]
ffffffff8eb4bf40 (console_owner){-.-.}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:428 [inline]
ffffffff8eb4bf40 (console_owner){-.-.}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:291 [inline]
ffffffff8eb4bf40 (console_owner){-.-.}-{0:0}, at: console_flush_one_record kernel/printk/printk.c:3246 [inline]
ffffffff8eb4bf40 (console_owner){-.-.}-{0:0}, at: console_flush_all+0x123/0xaf0 kernel/printk/printk.c:3343
but task is already holding lock:
ffff8880b863b160 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0xb2/0x160 kernel/sched/core.c:675
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #4 (&rq->__lock){-.-.}-{2:2}:
_raw_spin_lock_nested+0x32/0x50 kernel/locking/spinlock.c:382
raw_spin_rq_lock_nested+0x2d/0x160 kernel/sched/core.c:667
raw_spin_rq_lock kernel/sched/sched.h:1653 [inline]
_task_rq_lock+0xc0/0x440 kernel/sched/core.c:762
cgroup_move_task+0x9a/0x350 kernel/sched/psi.c:1176
css_set_move_task+0x62d/0x820 kernel/cgroup/cgroup.c:925
cgroup_post_fork+0x209/0x9b0 kernel/cgroup/cgroup.c:7009
copy_process+0x402b/0x4390 kernel/fork.c:2550
kernel_clone+0x2d7/0x940 kernel/fork.c:2748
user_mode_thread+0x110/0x180 kernel/fork.c:2824
rest_init+0x23/0x300 init/main.c:682
start_kernel+0x392/0x3e0 init/main.c:1175
x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310
x86_64_start_kernel+0x137/0x1b0 arch/x86/kernel/head64.c:291
common_startup_64+0x13e/0x157
-> #3 (&p->pi_lock){-.-.}-{2:2}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:132 [inline]
_raw_spin_lock_irqsave+0x40/0x60 kernel/locking/spinlock.c:166
class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:572 [inline]
try_to_wake_up+0x67/0x14d0 kernel/sched/core.c:4292
__wake_up_common kernel/sched/wait.c:108 [inline]
__wake_up_common_lock+0x13a/0x1f0 kernel/sched/wait.c:125
tty_port_default_wakeup+0xc8/0x100 drivers/tty/tty_port.c:67
serial8250_tx_chars+0x70e/0x950 drivers/tty/serial/8250/8250_port.c:1723
serial8250_handle_irq+0x166/0x550 drivers/tty/serial/8250/8250_port.c:1853
serial8250_default_handle_irq+0xbf/0x1e0 drivers/tty/serial/8250/8250_port.c:1867
serial8250_interrupt+0x8d/0x160 drivers/tty/serial/8250/8250_core.c:86
__handle_irq_event_percpu+0x216/0x9a0 kernel/irq/handle.c:209
handle_irq_event_percpu kernel/irq/handle.c:246 [inline]
handle_irq_event+0x8b/0x1e0 kernel/irq/handle.c:263
handle_edge_irq+0x1f4/0x8a0 kernel/irq/chip.c:859
generic_handle_irq_desc include/linux/irqdesc.h:188 [inline]
handle_irq arch/x86/kernel/irq.c:209 [inline]
call_irq_handler arch/x86/kernel/irq.c:-1 [inline]
__common_interrupt+0x141/0x1f0 arch/x86/kernel/irq.c:280
common_interrupt+0xb6/0xe0 arch/x86/kernel/irq.c:273
asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:665
__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:188 [inline]
_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:206
spin_unlock_irq include/linux/spinlock.h:402 [inline]
__rpm_callback+0xa7/0x950 drivers/base/power/runtime.c:383
rpm_callback drivers/base/power/runtime.c:460 [inline]
rpm_resume+0x104d/0x16d0 drivers/base/power/runtime.c:939
pm_runtime_work+0x103/0x1b0 drivers/base/power/runtime.c:1004
process_one_work kernel/workqueue.c:3322 [inline]
process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3405
worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486
kthread+0x388/0x470 kernel/kthread.c:436
ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
-> #2 (&tty->write_wait){-.-.}-{3:3}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:132 [inline]
_raw_spin_lock_irqsave+0x40/0x60 kernel/locking/spinlock.c:166
__wake_up_common_lock+0x30/0x1f0 kernel/sched/wait.c:124
tty_port_default_wakeup+0xc8/0x100 drivers/tty/tty_port.c:67
serial8250_tx_chars+0x70e/0x950 drivers/tty/serial/8250/8250_port.c:1723
serial8250_handle_irq+0x166/0x550 drivers/tty/serial/8250/8250_port.c:1853
serial8250_default_handle_irq+0xbf/0x1e0 drivers/tty/serial/8250/8250_port.c:1867
serial8250_interrupt+0x8d/0x160 drivers/tty/serial/8250/8250_core.c:86
__handle_irq_event_percpu+0x216/0x9a0 kernel/irq/handle.c:209
handle_irq_event_percpu kernel/irq/handle.c:246 [inline]
handle_irq_event+0x8b/0x1e0 kernel/irq/handle.c:263
handle_edge_irq+0x1f4/0x8a0 kernel/irq/chip.c:859
generic_handle_irq_desc include/linux/irqdesc.h:188 [inline]
handle_irq arch/x86/kernel/irq.c:209 [inline]
call_irq_handler arch/x86/kernel/irq.c:-1 [inline]
__common_interrupt+0x141/0x1f0 arch/x86/kernel/irq.c:280
common_interrupt+0xb6/0xe0 arch/x86/kernel/irq.c:273
asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:665
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline]
_raw_spin_unlock_irqrestore+0x47/0x80 kernel/locking/spinlock.c:198
spin_unlock_irqrestore include/linux/spinlock.h:408 [inline]
uart_port_unlock_irqrestore include/linux/serial_core.h:790 [inline]
uart_port_unlock_deref drivers/tty/serial/serial_core.c:91 [inline]
uart_write+0x3c0/0x9f0 drivers/tty/serial/serial_core.c:630
process_output_block drivers/tty/n_tty.c:557 [inline]
n_tty_write+0xd49/0x11e0 drivers/tty/n_tty.c:2366
iterate_tty_write drivers/tty/tty_io.c:1006 [inline]
file_tty_write+0x509/0x9c0 drivers/tty/tty_io.c:1081
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x612/0xba0 fs/read_write.c:687
ksys_write+0x150/0x270 fs/read_write.c:739
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
-> #1 (&port_lock_key){-.-.}-{3:3}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:132 [inline]
_raw_spin_lock_irqsave+0x40/0x60 kernel/locking/spinlock.c:166
uart_port_lock_irqsave include/linux/serial_core.h:719 [inline]
serial8250_console_write+0x153/0x1ba0 drivers/tty/serial/8250/8250_port.c:3344
console_emit_next_record kernel/printk/printk.c:3183 [inline]
console_flush_one_record kernel/printk/printk.c:3269 [inline]
console_flush_all+0x6ea/0xaf0 kernel/printk/printk.c:3343
__console_flush_and_unlock kernel/printk/printk.c:3373 [inline]
console_unlock+0xd1/0x1c0 kernel/printk/printk.c:3413
vprintk_emit+0x485/0x560 kernel/printk/printk.c:2479
_printk+0xdd/0x130 kernel/printk/printk.c:2504
register_console+0xbc3/0xfc0 kernel/printk/printk.c:4208
univ8250_console_init+0x3a/0x70 drivers/tty/serial/8250/8250_core.c:515
console_init+0x10b/0x4a0 kernel/printk/printk.c:4407
start_kernel+0x238/0x3e0 init/main.c:1112
x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310
x86_64_start_kernel+0x137/0x1b0 arch/x86/kernel/head64.c:291
common_startup_64+0x13e/0x157
-> #0 (console_owner){-.-.}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3165 [inline]
check_prevs_add kernel/locking/lockdep.c:3284 [inline]
validate_chain kernel/locking/lockdep.c:3908 [inline]
__lock_acquire+0x1520/0x2cf0 kernel/locking/lockdep.c:5237
lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5868
console_lock_spinning_enable kernel/printk/printk.c:1902 [inline]
console_emit_next_record kernel/printk/printk.c:3177 [inline]
console_flush_one_record kernel/printk/printk.c:3269 [inline]
console_flush_all+0x693/0xaf0 kernel/printk/printk.c:3343
__console_flush_and_unlock kernel/printk/printk.c:3373 [inline]
console_unlock+0xd1/0x1c0 kernel/printk/printk.c:3413
vprintk_emit+0x485/0x560 kernel/printk/printk.c:2479
_printk+0xdd/0x130 kernel/printk/printk.c:2504
__report_bug+0x349/0x570 lib/bug.c:248
report_bug+0x16a/0x220 lib/bug.c:286
handle_bug+0x9c/0x200 arch/x86/kernel/traps.c:436
exc_invalid_op+0x1a/0x50 arch/x86/kernel/traps.c:490
asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:593
lockdep_assert_rq_held kernel/sched/sched.h:1641 [inline]
update_rq_clock+0x34d/0x560 kernel/sched/core.c:865
pick_next_task kernel/sched/core.c:6338 [inline]
__schedule+0x388e/0x56c0 kernel/sched/core.c:7149
preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7556
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
irqentry_exit+0x14f/0x8f0 kernel/entry/common.c:167
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
unwind_get_return_address+0x56/0x90 arch/x86/kernel/unwind_orc.c:385
arch_stack_walk+0xfb/0x150 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
save_stack+0x122/0x230 mm/page_owner.c:165
__reset_page_owner+0x71/0x1f0 mm/page_owner.c:320
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1406 [inline]
free_unref_folios+0xd84/0x14a0 mm/page_alloc.c:3011
folios_put_refs+0x9e9/0xb30 mm/swap.c:1057
folio_batch_release include/linux/folio_batch.h:101 [inline]
shmem_undo_range+0x4e6/0x15d0 mm/shmem.c:1159
shmem_truncate_range mm/shmem.c:1287 [inline]
shmem_evict_inode+0x280/0xa80 mm/shmem.c:1417
evict+0x624/0xb50 fs/inode.c:825
dentry_kill+0x1b9/0x880 fs/dcache.c:826
finish_dput+0x1a/0x260 fs/dcache.c:1001
__fput+0x675/0xa50 fs/file_table.c:520
task_work_run+0x1d9/0x270 kernel/task_work.c:233
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x73a/0x2360 kernel/exit.c:1009
do_group_exit+0x22d/0x2f0 kernel/exit.c:1152
get_signal+0x121b/0x12c0 kernel/signal.c:3046
arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
exit_to_user_mode_loop kernel/entry/common.c:101 [inline]
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:244 [inline]
irqentry_exit_to_user_mode include/linux/irq-entry-common.h:315 [inline]
irqentry_exit+0x2ba/0x8f0 kernel/entry/common.c:165
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
other info that might help us debug this:
Chain exists of:
console_owner --> &p->pi_lock --> &rq->__lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&rq->__lock);
lock(&p->pi_lock);
lock(&rq->__lock);
lock(console_owner);
*** DEADLOCK ***
3 locks held by syz.4.6063/24569:
#0: ffff8880b863b160 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0xb2/0x160 kernel/sched/core.c:675
#1: ffffffff8eb4bfa0 (console_lock){+.+.}-{0:0}, at: _printk+0xdd/0x130 kernel/printk/printk.c:2504
#2: ffffffff8ea33838 (console_srcu){....}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:305 [inline]
#2: ffffffff8ea33838 (console_srcu){....}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:428 [inline]
#2: ffffffff8ea33838 (console_srcu){....}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:291 [inline]
#2: ffffffff8ea33838 (console_srcu){....}-{0:0}, at: console_flush_one_record kernel/printk/printk.c:3246 [inline]
#2: ffffffff8ea33838 (console_srcu){....}-{0:0}, at: console_flush_all+0x123/0xaf0 kernel/printk/printk.c:3343
stack backtrace:
CPU: 0 UID: 0 PID: 24569 Comm: syz.4.6063 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
Call Trace:
dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
print_circular_bug+0x2e1/0x300 kernel/locking/lockdep.c:2043
check_noncircular+0x12e/0x150 kernel/locking/lockdep.c:2175
check_prev_add kernel/locking/lockdep.c:3165 [inline]
check_prevs_add kernel/locking/lockdep.c:3284 [inline]
validate_chain kernel/locking/lockdep.c:3908 [inline]
__lock_acquire+0x1520/0x2cf0 kernel/locking/lockdep.c:5237
lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5868
console_lock_spinning_enable kernel/printk/printk.c:1902 [inline]
console_emit_next_record kernel/printk/printk.c:3177 [inline]
console_flush_one_record kernel/printk/printk.c:3269 [inline]
console_flush_all+0x693/0xaf0 kernel/printk/printk.c:3343
__console_flush_and_unlock kernel/printk/printk.c:3373 [inline]
console_unlock+0xd1/0x1c0 kernel/printk/printk.c:3413
vprintk_emit+0x485/0x560 kernel/printk/printk.c:2479
_printk+0xdd/0x130 kernel/printk/printk.c:2504
__report_bug+0x349/0x570 lib/bug.c:248
report_bug+0x16a/0x220 lib/bug.c:286
handle_bug+0x9c/0x200 arch/x86/kernel/traps.c:436
exc_invalid_op+0x1a/0x50 arch/x86/kernel/traps.c:490
asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:593
RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1641 [inline]
RIP: 0010:update_rq_clock+0x34d/0x560 kernel/sched/core.c:865
Code: 48 c1 e8 03 80 3c 28 00 74 08 48 89 df e8 6b 1b a0 00 4c 01 3b 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d e9 60 be 7b ff cc 90 <0f> 0b 90 e9 42 fd ff ff 48 89 df 48 83 c4 10 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc90004116b18 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff8880b873b100 RCX: 0000000000000002
RDX: 0000000000000000 RSI: ffffffff8e4ada11 RDI: ffffffff8c4bbe80
RBP: dffffc0000000000 R08: ffffffff90574637 R09: 1ffffffff20ae8c6
R10: dffffc0000000000 R11: ffffffff819fde60 R12: ffff8880289d26e8
R13: dffffc0000000001 R14: ffff8880b873bfc8 R15: ffff8880b873b100
pick_next_task kernel/sched/core.c:6338 [inline]
__schedule+0x388e/0x56c0 kernel/sched/core.c:7149
preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7556
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
irqentry_exit+0x14f/0x8f0 kernel/entry/common.c:167
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:unwind_get_return_address+0x56/0x90 arch/x86/kernel/unwind_orc.c:385
Code: 83 c3 48 49 89 df 49 c1 ef 03 43 80 3c 37 00 74 08 48 89 df e8 1b 1d bd 00 48 8b 3b e8 e3 e2 18 00 85 c0 74 14 43 80 3c 37 00 <74> 08 48 89 df e8 00 1d bd 00 48 8b 03 eb 02 31 c0 5b 41 5e 41 5f
RSP: 0018:ffffc90004116e88 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffffc90004116ef0 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff8e4ada11 RDI: ffffffff82122a90
RBP: ffffc90004116f30 R08: ffffc900041176d0 R09: ffffc90004116ef8
R10: dffffc0000000000 R11: fffff52000822de1 R12: ffff8880289d1f00
R13: 1ffff1100513a49f R14: dffffc0000000000 R15: 1ffff92000822dde
arch_stack_walk+0xfb/0x150 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
save_stack+0x122/0x230 mm/page_owner.c:165
__reset_page_owner+0x71/0x1f0 mm/page_owner.c:320
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1406 [inline]
free_unref_folios+0xd84/0x14a0 mm/page_alloc.c:3011
folios_put_refs+0x9e9/0xb30 mm/swap.c:1057
folio_batch_release include/linux/folio_batch.h:101 [inline]
shmem_undo_range+0x4e6/0x15d0 mm/shmem.c:1159
shmem_truncate_range mm/shmem.c:1287 [inline]
shmem_evict_inode+0x280/0xa80 mm/shmem.c:1417
evict+0x624/0xb50 fs/inode.c:825
dentry_kill+0x1b9/0x880 fs/dcache.c:826
finish_dput+0x1a/0x260 fs/dcache.c:1001
__fput+0x675/0xa50 fs/file_table.c:520
task_work_run+0x1d9/0x270 kernel/task_work.c:233
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x73a/0x2360 kernel/exit.c:1009
do_group_exit+0x22d/0x2f0 kernel/exit.c:1152
get_signal+0x121b/0x12c0 kernel/signal.c:3046
arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
exit_to_user_mode_loop kernel/entry/common.c:101 [inline]
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:244 [inline]
irqentry_exit_to_user_mode include/linux/irq-entry-common.h:315 [inline]
irqentry_exit+0x2ba/0x8f0 kernel/entry/common.c:165
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
RIP: 0033:0x7f740959e0e1
Code: Unable to access opcode bytes at 0x7f740959e0b7.
RSP: 002b:fffffffffffffe70 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f7409826090 RCX: 00007f740959e0d9
RDX: 0000000000000000 RSI: fffffffffffffe70 RDI: 0000000000008000
RBP: 00007f7409635024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007f7409826128 R14: 00007f7409826090 R15: 00007ffff47ff0c8
debug_locks && !(lock_is_held(&(__rq_lockp(rq))->dep_map) != 0)
WARNING: kernel/sched/sched.h:1641 at lockdep_assert_rq_held kernel/sched/sched.h:1641 [inline], CPU#0: syz.4.6063/24569
WARNING: kernel/sched/sched.h:1641 at update_rq_clock+0x34d/0x560 kernel/sched/core.c:865, CPU#0: syz.4.6063/24569
Modules linked in:
CPU: 0 UID: 0 PID: 24569 Comm: syz.4.6063 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1641 [inline]
RIP: 0010:update_rq_clock+0x34d/0x560 kernel/sched/core.c:865
Code: 48 c1 e8 03 80 3c 28 00 74 08 48 89 df e8 6b 1b a0 00 4c 01 3b 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d e9 60 be 7b ff cc 90 <0f> 0b 90 e9 42 fd ff ff 48 89 df 48 83 c4 10 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc90004116b18 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff8880b873b100 RCX: 0000000000000002
RDX: 0000000000000000 RSI: ffffffff8e4ada11 RDI: ffffffff8c4bbe80
RBP: dffffc0000000000 R08: ffffffff90574637 R09: 1ffffffff20ae8c6
R10: dffffc0000000000 R11: ffffffff819fde60 R12: ffff8880289d26e8
R13: dffffc0000000001 R14: ffff8880b873bfc8 R15: ffff8880b873b100
FS: 0000000000000000(0000) GS:ffff888124f55000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3091bff8 CR3: 000000005910a000 CR4: 0000000000350ef0
DR0: 0000000000003706 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
pick_next_task kernel/sched/core.c:6338 [inline]
__schedule+0x388e/0x56c0 kernel/sched/core.c:7149
preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7556
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
irqentry_exit+0x14f/0x8f0 kernel/entry/common.c:167
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:unwind_get_return_address+0x56/0x90 arch/x86/kernel/unwind_orc.c:385
Code: 83 c3 48 49 89 df 49 c1 ef 03 43 80 3c 37 00 74 08 48 89 df e8 1b 1d bd 00 48 8b 3b e8 e3 e2 18 00 85 c0 74 14 43 80 3c 37 00 <74> 08 48 89 df e8 00 1d bd 00 48 8b 03 eb 02 31 c0 5b 41 5e 41 5f
RSP: 0018:ffffc90004116e88 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffffc90004116ef0 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff8e4ada11 RDI: ffffffff82122a90
RBP: ffffc90004116f30 R08: ffffc900041176d0 R09: ffffc90004116ef8
R10: dffffc0000000000 R11: fffff52000822de1 R12: ffff8880289d1f00
R13: 1ffff1100513a49f R14: dffffc0000000000 R15: 1ffff92000822dde
arch_stack_walk+0xfb/0x150 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
save_stack+0x122/0x230 mm/page_owner.c:165
__reset_page_owner+0x71/0x1f0 mm/page_owner.c:320
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1406 [inline]
free_unref_folios+0xd84/0x14a0 mm/page_alloc.c:3011
folios_put_refs+0x9e9/0xb30 mm/swap.c:1057
folio_batch_release include/linux/folio_batch.h:101 [inline]
shmem_undo_range+0x4e6/0x15d0 mm/shmem.c:1159
shmem_truncate_range mm/shmem.c:1287 [inline]
shmem_evict_inode+0x280/0xa80 mm/shmem.c:1417
evict+0x624/0xb50 fs/inode.c:825
dentry_kill+0x1b9/0x880 fs/dcache.c:826
finish_dput+0x1a/0x260 fs/dcache.c:1001
__fput+0x675/0xa50 fs/file_table.c:520
task_work_run+0x1d9/0x270 kernel/task_work.c:233
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x73a/0x2360 kernel/exit.c:1009
do_group_exit+0x22d/0x2f0 kernel/exit.c:1152
get_signal+0x121b/0x12c0 kernel/signal.c:3046
arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
exit_to_user_mode_loop kernel/entry/common.c:101 [inline]
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:244 [inline]
irqentry_exit_to_user_mode include/linux/irq-entry-common.h:315 [inline]
irqentry_exit+0x2ba/0x8f0 kernel/entry/common.c:165
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
RIP: 0033:0x7f740959e0e1
Code: Unable to access opcode bytes at 0x7f740959e0b7.
RSP: 002b:fffffffffffffe70 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f7409826090 RCX: 00007f740959e0d9
RDX: 0000000000000000 RSI: fffffffffffffe70 RDI: 0000000000008000
RBP: 00007f7409635024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007f7409826128 R14: 00007f7409826090 R15: 00007ffff47ff0c8
----------------
Code disassembly (best guess):
0: 83 c3 48 add $0x48,%ebx
3: 49 89 df mov %rbx,%r15
6: 49 c1 ef 03 shr $0x3,%r15
a: 43 80 3c 37 00 cmpb $0x0,(%r15,%r14,1)
f: 74 08 je 0x19
11: 48 89 df mov %rbx,%rdi
14: e8 1b 1d bd 00 call 0xbd1d34
19: 48 8b 3b mov (%rbx),%rdi
1c: e8 e3 e2 18 00 call 0x18e304
21: 85 c0 test %eax,%eax
23: 74 14 je 0x39
25: 43 80 3c 37 00 cmpb $0x0,(%r15,%r14,1)
* 2a: 74 08 je 0x34 <-- trapping instruction
2c: 48 89 df mov %rbx,%rdi
2f: e8 00 1d bd 00 call 0xbd1d34
34: 48 8b 03 mov (%rbx),%rax
37: eb 02 jmp 0x3b
39: 31 c0 xor %eax,%eax
3b: 5b pop %rbx
3c: 41 5e pop %r14
3e: 41 5f pop %r15