FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
======================================================
WARNING: possible circular locking dependency detected
6.13.0-rc1-syzkaller-00002-gcdd30ebb1b9f #0 Not tainted
------------------------------------------------------
syz.4.1149/10526 is trying to acquire lock:
ffffffff8e0c8800 (console_owner){-.-.}-{0:0}, at: console_lock_spinning_enable+0x9f/0xd0 kernel/printk/printk.c:1924
but task is already holding lock:
ffff8880b863ebd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:606 [inline]
ffff8880b863ebd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x7e/0x130 kernel/sched/core.c:591
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+0x31/0x40 kernel/locking/spinlock.c:378
raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:598
raw_spin_rq_lock kernel/sched/sched.h:1514 [inline]
task_rq_lock+0xcf/0x3b0 kernel/sched/core.c:700
cgroup_move_task+0x82/0x250 kernel/sched/psi.c:1161
css_set_move_task+0x288/0x5f0 kernel/cgroup/cgroup.c:898
cgroup_post_fork+0x1c6/0x910 kernel/cgroup/cgroup.c:6691
copy_process+0x50d9/0x8df0 kernel/fork.c:2621
kernel_clone+0xfd/0x960 kernel/fork.c:2807
user_mode_thread+0xb4/0xf0 kernel/fork.c:2885
rest_init+0x23/0x2b0 init/main.c:712
start_kernel+0x3e4/0x4d0 init/main.c:1102
x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:507
x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:488
common_startup_64+0x13e/0x148
-> #3 (&p->pi_lock){-.-.}-{2:2}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:551 [inline]
try_to_wake_up+0xb6/0x1490 kernel/sched/core.c:4205
__wake_up_common+0x131/0x1e0 kernel/sched/wait.c:89
__wake_up_common_lock kernel/sched/wait.c:106 [inline]
__wake_up+0x31/0x60 kernel/sched/wait.c:127
tty_port_default_wakeup+0x2a/0x40 drivers/tty/tty_port.c:69
serial8250_tx_chars+0x68e/0x860 drivers/tty/serial/8250/8250_port.c:1840
serial8250_handle_irq+0x74d/0xc80 drivers/tty/serial/8250/8250_port.c:1948
serial8250_default_handle_irq+0x9a/0x210 drivers/tty/serial/8250/8250_port.c:1968
serial8250_interrupt+0x103/0x210 drivers/tty/serial/8250/8250_core.c:86
__handle_irq_event_percpu+0x229/0x7d0 kernel/irq/handle.c:158
handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
handle_irq_event+0xab/0x1e0 kernel/irq/handle.c:210
handle_edge_irq+0x263/0xd10 kernel/irq/chip.c:831
generic_handle_irq_desc include/linux/irqdesc.h:173 [inline]
handle_irq arch/x86/kernel/irq.c:247 [inline]
call_irq_handler arch/x86/kernel/irq.c:259 [inline]
__common_interrupt+0xdf/0x250 arch/x86/kernel/irq.c:285
common_interrupt+0xba/0xe0 arch/x86/kernel/irq.c:278
asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693
unwind_next_frame+0x4e6/0x20c0 arch/x86/kernel/unwind_orc.c:505
arch_stack_walk+0x95/0x100 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122
kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
__kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394
kmalloc_noprof include/linux/slab.h:901 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
netlbl_secattr_alloc_noprof include/net/netlabel.h:385 [inline]
selinux_netlbl_sock_genattr+0xe8/0x4f0 security/selinux/netlabel.c:78
selinux_netlbl_socket_post_create+0xb0/0x1b0 security/selinux/netlabel.c:404
selinux_socket_post_create+0x2fa/0x7f0 security/selinux/hooks.c:4685
security_socket_post_create+0x247/0x260 security/security.c:4574
__sock_create+0x738/0x8d0 net/socket.c:1581
sock_create net/socket.c:1616 [inline]
__sys_socket_create net/socket.c:1653 [inline]
__sys_socket+0x14f/0x260 net/socket.c:1700
__do_sys_socket net/socket.c:1714 [inline]
__se_sys_socket net/socket.c:1712 [inline]
__x64_sys_socket+0x72/0xb0 net/socket.c:1712
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
-> #2 (&tty->write_wait){-.-.}-{3:3}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
__wake_up_common_lock kernel/sched/wait.c:105 [inline]
__wake_up+0x1c/0x60 kernel/sched/wait.c:127
tty_port_default_wakeup+0x2a/0x40 drivers/tty/tty_port.c:69
serial8250_tx_chars+0x68e/0x860 drivers/tty/serial/8250/8250_port.c:1840
serial8250_handle_irq+0x74d/0xc80 drivers/tty/serial/8250/8250_port.c:1948
serial8250_default_handle_irq+0x9a/0x210 drivers/tty/serial/8250/8250_port.c:1968
serial8250_interrupt+0x103/0x210 drivers/tty/serial/8250/8250_core.c:86
__handle_irq_event_percpu+0x229/0x7d0 kernel/irq/handle.c:158
handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
handle_irq_event+0xab/0x1e0 kernel/irq/handle.c:210
handle_edge_irq+0x263/0xd10 kernel/irq/chip.c:831
generic_handle_irq_desc include/linux/irqdesc.h:173 [inline]
handle_irq arch/x86/kernel/irq.c:247 [inline]
call_irq_handler arch/x86/kernel/irq.c:259 [inline]
__common_interrupt+0xdf/0x250 arch/x86/kernel/irq.c:285
common_interrupt+0xba/0xe0 arch/x86/kernel/irq.c:278
asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194
spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
uart_port_unlock_irqrestore include/linux/serial_core.h:786 [inline]
uart_write+0x2a4/0xb30 drivers/tty/serial/serial_core.c:636
process_output_block drivers/tty/n_tty.c:574 [inline]
n_tty_write+0x419/0x1140 drivers/tty/n_tty.c:2389
iterate_tty_write drivers/tty/tty_io.c:1015 [inline]
file_tty_write.constprop.0+0x506/0x9a0 drivers/tty/tty_io.c:1090
tty_write drivers/tty/tty_io.c:1111 [inline]
redirected_tty_write drivers/tty/tty_io.c:1134 [inline]
redirected_tty_write+0xcc/0x140 drivers/tty/tty_io.c:1114
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:679
ksys_write+0x12b/0x250 fs/read_write.c:731
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
-> #1 (&port_lock_key){-.-.}-{3:3}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
uart_port_lock_irqsave include/linux/serial_core.h:715 [inline]
serial8250_console_write+0xb56/0x17c0 drivers/tty/serial/8250/8250_port.c:3371
console_emit_next_record kernel/printk/printk.c:3122 [inline]
console_flush_all+0x803/0xc60 kernel/printk/printk.c:3210
__console_flush_and_unlock kernel/printk/printk.c:3269 [inline]
console_unlock+0xd9/0x210 kernel/printk/printk.c:3309
vprintk_emit+0x424/0x6f0 kernel/printk/printk.c:2432
vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:86
_printk+0xc8/0x100 kernel/printk/printk.c:2457
register_console+0xbfd/0x1170 kernel/printk/printk.c:4099
univ8250_console_init+0x5f/0x90 drivers/tty/serial/8250/8250_core.c:513
console_init+0x154/0x690 kernel/printk/printk.c:4292
start_kernel+0x29a/0x4d0 init/main.c:1037
x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:507
x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:488
common_startup_64+0x13e/0x148
-> #0 (console_owner){-.-.}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3161 [inline]
check_prevs_add kernel/locking/lockdep.c:3280 [inline]
validate_chain kernel/locking/lockdep.c:3904 [inline]
__lock_acquire+0x249e/0x3c40 kernel/locking/lockdep.c:5226
lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5849
console_lock_spinning_enable+0xb0/0xd0 kernel/printk/printk.c:1924
console_emit_next_record kernel/printk/printk.c:3116 [inline]
console_flush_all+0x7ac/0xc60 kernel/printk/printk.c:3210
__console_flush_and_unlock kernel/printk/printk.c:3269 [inline]
console_unlock+0xd9/0x210 kernel/printk/printk.c:3309
vprintk_emit+0x424/0x6f0 kernel/printk/printk.c:2432
vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:86
_printk+0xc8/0x100 kernel/printk/printk.c:2457
fail_dump lib/fault-inject.c:46 [inline]
should_fail_ex+0x46c/0x5b0 lib/fault-inject.c:154
__copy_to_user_inatomic include/linux/uaccess.h:132 [inline]
copy_to_user_nofault+0xac/0x180 mm/maccess.c:156
____bpf_probe_write_user kernel/trace/bpf_trace.c:348 [inline]
bpf_probe_write_user+0xaf/0xf0 kernel/trace/bpf_trace.c:326
bpf_prog_6303d92f98284ad8+0x44/0x48
bpf_dispatcher_nop_func include/linux/bpf.h:1290 [inline]
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run include/linux/filter.h:708 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2351 [inline]
bpf_trace_run4+0x245/0x5a0 kernel/trace/bpf_trace.c:2394
__bpf_trace_sched_switch+0x13e/0x190 include/trace/events/sched.h:222
__traceiter_sched_switch+0x6c/0xc0 include/trace/events/sched.h:222
trace_sched_switch include/trace/events/sched.h:222 [inline]
__schedule+0x1b71/0x5ad0 kernel/sched/core.c:6753
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7078
irqentry_exit+0x36/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
mas_start lib/maple_tree.c:1367 [inline]
mas_state_walk lib/maple_tree.c:3613 [inline]
mt_find+0x5ea/0xa20 lib/maple_tree.c:6929
find_vma+0xc0/0x140 mm/mmap.c:956
lock_mm_and_find_vma+0x62/0x6a0 mm/memory.c:6212
do_user_addr_fault+0x2b5/0x13f0 arch/x86/mm/fault.c:1361
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
rep_movs_alternative+0x4a/0x70 arch/x86/lib/copy_user_64.S:65
copy_user_generic arch/x86/include/asm/uaccess_64.h:126 [inline]
raw_copy_from_user arch/x86/include/asm/uaccess_64.h:141 [inline]
_inline_copy_from_user include/linux/uaccess.h:178 [inline]
_copy_from_user+0x9a/0xd0 lib/usercopy.c:18
copy_from_user include/linux/uaccess.h:212 [inline]
uhid_event_from_user drivers/hid/uhid.c:473 [inline]
uhid_char_write+0x190/0x10b0 drivers/hid/uhid.c:738
vfs_write+0x24c/0x1150 fs/read_write.c:677
ksys_write+0x207/0x250 fs/read_write.c:731
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
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 ***
7 locks held by syz.4.1149/10526:
#0: ffff88805a160068 (&uhid->devlock){+.+.}-{4:4}, at: uhid_char_write+0x6b/0x10b0 drivers/hid/uhid.c:731
#1: ffff888033f88ba0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_trylock include/linux/mmap_lock.h:163 [inline]
#1: ffff888033f88ba0 (&mm->mmap_lock){++++}-{4:4}, at: get_mmap_lock_carefully mm/memory.c:6149 [inline]
#1: ffff888033f88ba0 (&mm->mmap_lock){++++}-{4:4}, at: lock_mm_and_find_vma+0x35/0x6a0 mm/memory.c:6209
#2: ffffffff8e1bb500 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#2: ffffffff8e1bb500 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#2: ffffffff8e1bb500 (rcu_read_lock){....}-{1:3}, at: mt_find+0x154/0xa20 lib/maple_tree.c:6927
#3: ffff8880b863ebd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:606 [inline]
#3: ffff8880b863ebd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x7e/0x130 kernel/sched/core.c:591
#4: ffffffff8e1bb500 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#4: ffffffff8e1bb500 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#4: ffffffff8e1bb500 (rcu_read_lock){....}-{1:3}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2350 [inline]
#4: ffffffff8e1bb500 (rcu_read_lock){....}-{1:3}, at: bpf_trace_run4+0x1d6/0x5a0 kernel/trace/bpf_trace.c:2394
#5: ffffffff8e1a8c40 (console_lock){+.+.}-{0:0}, at: vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:86
#6: ffffffff8e1a8cb0 (console_srcu){....}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:342 [inline]
#6: ffffffff8e1a8cb0 (console_srcu){....}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:297 [inline]
#6: ffffffff8e1a8cb0 (console_srcu){....}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:288 [inline]
#6: ffffffff8e1a8cb0 (console_srcu){....}-{0:0}, at: console_flush_all+0x159/0xc60 kernel/printk/printk.c:3187
stack backtrace:
CPU: 0 UID: 0 PID: 10526 Comm: syz.4.1149 Not tainted 6.13.0-rc1-syzkaller-00002-gcdd30ebb1b9f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
print_circular_bug+0x419/0x5d0 kernel/locking/lockdep.c:2074
check_noncircular+0x31a/0x400 kernel/locking/lockdep.c:2206
check_prev_add kernel/locking/lockdep.c:3161 [inline]
check_prevs_add kernel/locking/lockdep.c:3280 [inline]
validate_chain kernel/locking/lockdep.c:3904 [inline]
__lock_acquire+0x249e/0x3c40 kernel/locking/lockdep.c:5226
lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5849
console_lock_spinning_enable+0xb0/0xd0 kernel/printk/printk.c:1924
console_emit_next_record kernel/printk/printk.c:3116 [inline]
console_flush_all+0x7ac/0xc60 kernel/printk/printk.c:3210
__console_flush_and_unlock kernel/printk/printk.c:3269 [inline]
console_unlock+0xd9/0x210 kernel/printk/printk.c:3309
vprintk_emit+0x424/0x6f0 kernel/printk/printk.c:2432
vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:86
_printk+0xc8/0x100 kernel/printk/printk.c:2457
fail_dump lib/fault-inject.c:46 [inline]
should_fail_ex+0x46c/0x5b0 lib/fault-inject.c:154
__copy_to_user_inatomic include/linux/uaccess.h:132 [inline]
copy_to_user_nofault+0xac/0x180 mm/maccess.c:156
____bpf_probe_write_user kernel/trace/bpf_trace.c:348 [inline]
bpf_probe_write_user+0xaf/0xf0 kernel/trace/bpf_trace.c:326
bpf_prog_6303d92f98284ad8+0x44/0x48
bpf_dispatcher_nop_func include/linux/bpf.h:1290 [inline]
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run include/linux/filter.h:708 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2351 [inline]
bpf_trace_run4+0x245/0x5a0 kernel/trace/bpf_trace.c:2394
__bpf_trace_sched_switch+0x13e/0x190 include/trace/events/sched.h:222
__traceiter_sched_switch+0x6c/0xc0 include/trace/events/sched.h:222
trace_sched_switch include/trace/events/sched.h:222 [inline]
__schedule+0x1b71/0x5ad0 kernel/sched/core.c:6753
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7078
irqentry_exit+0x36/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:xa_is_node include/linux/xarray.h:1264 [inline]
RIP: 0010:mas_start lib/maple_tree.c:1377 [inline]
RIP: 0010:mas_state_walk lib/maple_tree.c:3613 [inline]
RIP: 0010:mt_find+0x5ea/0xa20 lib/maple_tree.c:6929
Code: 00 89 ee e8 a8 a4 76 f6 83 fd 01 0f 85 db 03 00 00 e8 5a a2 76 f6 be 01 00 00 00 bf 01 00 00 00 e8 8b a4 76 f6 e9 af fb ff ff 41 a2 76 f6 48 89 de bf 00 10 00 00 e8 a4 a4 76 f6 48 81 fb 00
RSP: 0018:ffffc9000f327998 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88807b220e1e RCX: ffffffff8b2360ae
RDX: ffff88807da72440 RSI: 0000000000000002 RDI: 0000000000000007
RBP: dffffc0000000000 R08: 0000000000000007 R09: 0000000000000002
R10: 0000000000000002 R11: 0000000000000002 R12: 0000000000000001
R13: ffffc9000f327ad8 R14: 0000000000000002 R15: 0000000000000300
find_vma+0xc0/0x140 mm/mmap.c:956
lock_mm_and_find_vma+0x62/0x6a0 mm/memory.c:6212
do_user_addr_fault+0x2b5/0x13f0 arch/x86/mm/fault.c:1361
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:rep_movs_alternative+0x4a/0x70 arch/x86/lib/copy_user_64.S:71
Code: 75 f1 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 48 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 df 83 f9 08 73 e8 eb c9 a4 c3 cc cc cc cc 48 89 c8 48 c1 e9 03 83 e0 07 f3 48 a5 89 c1
RSP: 0018:ffffc9000f327cb0 EFLAGS: 00050206
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 00000000000000b1
RDX: ffffed100b42c02d RSI: 0000000000000000 RDI: ffff88805a1600b0
RBP: 00000000000000b1 R08: 0000000000000001 R09: ffffed100b42c02c
R10: ffff88805a160160 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88805a1600b0 R14: 00000000000000b1 R15: ffff88805a1600b0
copy_user_generic arch/x86/include/asm/uaccess_64.h:126 [inline]
raw_copy_from_user arch/x86/include/asm/uaccess_64.h:141 [inline]
_inline_copy_from_user include/linux/uaccess.h:178 [inline]
_copy_from_user+0x9a/0xd0 lib/usercopy.c:18
copy_from_user include/linux/uaccess.h:212 [inline]
uhid_event_from_user drivers/hid/uhid.c:473 [inline]
uhid_char_write+0x190/0x10b0 drivers/hid/uhid.c:738
vfs_write+0x24c/0x1150 fs/read_write.c:677
ksys_write+0x207/0x250 fs/read_write.c:731
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: 0033:0x7f11d037ff19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f11d1208058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f11d0545fa0 RCX: 00007f11d037ff19
RDX: 00000000000000b1 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f11d12080a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 00007f11d0545fa0 R15: 00007ffcae78f858
CPU: 0 UID: 0 PID: 10526 Comm: syz.4.1149 Not tainted 6.13.0-rc1-syzkaller-00002-gcdd30ebb1b9f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
fail_dump lib/fault-inject.c:53 [inline]
should_fail_ex+0x497/0x5b0 lib/fault-inject.c:154
__copy_to_user_inatomic include/linux/uaccess.h:132 [inline]
copy_to_user_nofault+0xac/0x180 mm/maccess.c:156
____bpf_probe_write_user kernel/trace/bpf_trace.c:348 [inline]
bpf_probe_write_user+0xaf/0xf0 kernel/trace/bpf_trace.c:326
bpf_prog_6303d92f98284ad8+0x44/0x48
bpf_dispatcher_nop_func include/linux/bpf.h:1290 [inline]
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run include/linux/filter.h:708 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2351 [inline]
bpf_trace_run4+0x245/0x5a0 kernel/trace/bpf_trace.c:2394
__bpf_trace_sched_switch+0x13e/0x190 include/trace/events/sched.h:222
__traceiter_sched_switch+0x6c/0xc0 include/trace/events/sched.h:222
trace_sched_switch include/trace/events/sched.h:222 [inline]
__schedule+0x1b71/0x5ad0 kernel/sched/core.c:6753
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7078
irqentry_exit+0x36/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:xa_is_node include/linux/xarray.h:1264 [inline]
RIP: 0010:mas_start lib/maple_tree.c:1377 [inline]
RIP: 0010:mas_state_walk lib/maple_tree.c:3613 [inline]
RIP: 0010:mt_find+0x5ea/0xa20 lib/maple_tree.c:6929
Code: 00 89 ee e8 a8 a4 76 f6 83 fd 01 0f 85 db 03 00 00 e8 5a a2 76 f6 be 01 00 00 00 bf 01 00 00 00 e8 8b a4 76 f6 e9 af fb ff ff 41 a2 76 f6 48 89 de bf 00 10 00 00 e8 a4 a4 76 f6 48 81 fb 00
RSP: 0018:ffffc9000f327998 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88807b220e1e RCX: ffffffff8b2360ae
RDX: ffff88807da72440 RSI: 0000000000000002 RDI: 0000000000000007
RBP: dffffc0000000000 R08: 0000000000000007 R09: 0000000000000002
R10: 0000000000000002 R11: 0000000000000002 R12: 0000000000000001
R13: ffffc9000f327ad8 R14: 0000000000000002 R15: 0000000000000300
find_vma+0xc0/0x140 mm/mmap.c:956
lock_mm_and_find_vma+0x62/0x6a0 mm/memory.c:6212
do_user_addr_fault+0x2b5/0x13f0 arch/x86/mm/fault.c:1361
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:rep_movs_alternative+0x4a/0x70 arch/x86/lib/copy_user_64.S:71
Code: 75 f1 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 48 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 df 83 f9 08 73 e8 eb c9 a4 c3 cc cc cc cc 48 89 c8 48 c1 e9 03 83 e0 07 f3 48 a5 89 c1
RSP: 0018:ffffc9000f327cb0 EFLAGS: 00050206
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 00000000000000b1
RDX: ffffed100b42c02d RSI: 0000000000000000 RDI: ffff88805a1600b0
RBP: 00000000000000b1 R08: 0000000000000001 R09: ffffed100b42c02c
R10: ffff88805a160160 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88805a1600b0 R14: 00000000000000b1 R15: ffff88805a1600b0
copy_user_generic arch/x86/include/asm/uaccess_64.h:126 [inline]
raw_copy_from_user arch/x86/include/asm/uaccess_64.h:141 [inline]
_inline_copy_from_user include/linux/uaccess.h:178 [inline]
_copy_from_user+0x9a/0xd0 lib/usercopy.c:18
copy_from_user include/linux/uaccess.h:212 [inline]
uhid_event_from_user drivers/hid/uhid.c:473 [inline]
uhid_char_write+0x190/0x10b0 drivers/hid/uhid.c:738
vfs_write+0x24c/0x1150 fs/read_write.c:677
ksys_write+0x207/0x250 fs/read_write.c:731
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: 0033:0x7f11d037ff19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f11d1208058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f11d0545fa0 RCX: 00007f11d037ff19
RDX: 00000000000000b1 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f11d12080a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 00007f11d0545fa0 R15: 00007ffcae78f858
----------------
Code disassembly (best guess):
0: 00 89 ee e8 a8 a4 add %cl,-0x5b571712(%rcx)
6: 76 f6 jbe 0xfffffffe
8: 83 fd 01 cmp $0x1,%ebp
b: 0f 85 db 03 00 00 jne 0x3ec
11: e8 5a a2 76 f6 call 0xf676a270
16: be 01 00 00 00 mov $0x1,%esi
1b: bf 01 00 00 00 mov $0x1,%edi
20: e8 8b a4 76 f6 call 0xf676a4b0
25: e9 af fb ff ff jmp 0xfffffbd9
* 2a: e8 41 a2 76 f6 call 0xf676a270 <-- trapping instruction
2f: 48 89 de mov %rbx,%rsi
32: bf 00 10 00 00 mov $0x1000,%edi
37: e8 a4 a4 76 f6 call 0xf676a4e0
3c: 48 rex.W
3d: 81 .byte 0x81
3e: fb sti