=============================
[ BUG: Invalid wait context ]
6.13.0-rc6-syzkaller-00038-g09a0fa92e5b4 #0 Not tainted
-----------------------------
syz.6.2385/15632 is trying to lock:
ffff8880b873e8d8 (&crtc->commit_lock){+.+.}-{3:3}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598
other info that might help us debug this:
context-{5:5}
3 locks held by syz.6.2385/15632:
#0: ffff88802e305358 (&sighand->siglock){-.-.}-{3:3}, at: spin_lock_irq include/linux/spinlock.h:376 [inline]
#0: ffff88802e305358 (&sighand->siglock){-.-.}-{3:3}, at: do_group_exit+0xed/0x2c0 kernel/exit.c:1073
#1: ffff88802ceea818 (&p->pi_lock){-.-.}-{2:2}, at: class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:551 [inline]
#1: ffff88802ceea818 (&p->pi_lock){-.-.}-{2:2}, at: try_to_wake_up+0xc2/0x1470 kernel/sched/core.c:4205
#2: ffff8880b863e8d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598
stack backtrace:
CPU: 0 UID: 0 PID: 15632 Comm: syz.6.2385 Not tainted 6.13.0-rc6-syzkaller-00038-g09a0fa92e5b4 #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+0x241/0x360 lib/dump_stack.c:120
print_lock_invalid_wait_context kernel/locking/lockdep.c:4826 [inline]
check_wait_context kernel/locking/lockdep.c:4898 [inline]
__lock_acquire+0x15a8/0x2100 kernel/locking/lockdep.c:5176
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849
_raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378
raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598
_double_lock_balance kernel/sched/sched.h:2989 [inline]
double_lock_balance kernel/sched/sched.h:3034 [inline]
find_lock_lowest_rq+0x1e1/0x670 kernel/sched/rt.c:1914
push_rt_task+0x144/0x790 kernel/sched/rt.c:2048
push_rt_tasks kernel/sched/rt.c:2096 [inline]
task_woken_rt+0x14c/0x220 kernel/sched/rt.c:2394
ttwu_do_activate+0x30c/0x760 kernel/sched/core.c:3732
ttwu_queue kernel/sched/core.c:3993 [inline]
try_to_wake_up+0x89b/0x1470 kernel/sched/core.c:4321
signal_wake_up_state+0xb4/0x120 kernel/signal.c:733
signal_wake_up include/linux/sched/signal.h:445 [inline]
zap_other_threads+0x2fd/0x3e0 kernel/signal.c:1351
do_group_exit+0x18a/0x2c0 kernel/exit.c:1082
__do_sys_exit_group kernel/exit.c:1098 [inline]
__se_sys_exit_group kernel/exit.c:1096 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1096
x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1f83b85d29
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:00007ffdd9a42b98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1f83b85d29
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffdd9a42bec R08: 00007ffdd9a42c7f R09: 00000000000ee873
R10: 0000000000000220 R11: 0000000000000246 R12: 0000000000000032
R13: 00000000000ee873 R14: 00007ffdd9a42c40 R15: 00007ffdd9a42c40
==================================================================
BUG: KASAN: wild-memory-access in instrument_atomic_read include/linux/instrumented.h:68 [inline]
BUG: KASAN: wild-memory-access in _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
BUG: KASAN: wild-memory-access in __lock_acquire+0xc94/0x2100 kernel/locking/lockdep.c:5196
Read of size 8 at addr 1fffffff89ecb8d8 by task syz.6.2385/15632
CPU: 0 UID: 0 PID: 15632 Comm: syz.6.2385 Not tainted 6.13.0-rc6-syzkaller-00038-g09a0fa92e5b4 #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+0x241/0x360 lib/dump_stack.c:120
print_report+0xe8/0x550 mm/kasan/report.c:492
kasan_report+0x143/0x180 mm/kasan/report.c:602
kasan_check_range+0x282/0x290 mm/kasan/generic.c:189
instrument_atomic_read include/linux/instrumented.h:68 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
__lock_acquire+0xc94/0x2100 kernel/locking/lockdep.c:5196
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849
_raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378
raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598
_double_lock_balance kernel/sched/sched.h:2989 [inline]
double_lock_balance kernel/sched/sched.h:3034 [inline]
find_lock_lowest_rq+0x1e1/0x670 kernel/sched/rt.c:1914
push_rt_task+0x144/0x790 kernel/sched/rt.c:2048
push_rt_tasks kernel/sched/rt.c:2096 [inline]
task_woken_rt+0x14c/0x220 kernel/sched/rt.c:2394
ttwu_do_activate+0x30c/0x760 kernel/sched/core.c:3732
ttwu_queue kernel/sched/core.c:3993 [inline]
try_to_wake_up+0x89b/0x1470 kernel/sched/core.c:4321
signal_wake_up_state+0xb4/0x120 kernel/signal.c:733
signal_wake_up include/linux/sched/signal.h:445 [inline]
zap_other_threads+0x2fd/0x3e0 kernel/signal.c:1351
do_group_exit+0x18a/0x2c0 kernel/exit.c:1082
__do_sys_exit_group kernel/exit.c:1098 [inline]
__se_sys_exit_group kernel/exit.c:1096 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1096
x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1f83b85d29
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:00007ffdd9a42b98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1f83b85d29
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffdd9a42bec R08: 00007ffdd9a42c7f R09: 00000000000ee873
R10: 0000000000000220 R11: 0000000000000246 R12: 0000000000000032
R13: 00000000000ee873 R14: 00007ffdd9a42c40 R15: 00007ffdd9a42c40
==================================================================