syzbot

=============================
[ BUG: Invalid wait context ]
6.13.0-syzkaller-09760-g69e858e0b8b2 #0 Not tainted
-----------------------------
syz.1.4376/23285 is trying to lock:
ffff8880b863e918 (base_crng.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.1.4376/23285:
 #0: ffff8880478e7950 (&u->iolock){+.+.}-{4:4}, at: __unix_dgram_recvmsg+0x246/0x12f0 net/unix/af_unix.c:2426
 #1: ffff8880478e7a98 (&u->peer_wait){+.+.}-{3:3}, at: __wake_up_common_lock+0x25/0x1e0 kernel/sched/wait.c:105
 #2: ffff88801cbde428 (&p->pi_lock){-.-.}-{2:2}, at: class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:551 [inline]
 #2: ffff88801cbde428 (&p->pi_lock){-.-.}-{2:2}, at: try_to_wake_up+0xc2/0x1470 kernel/sched/core.c:4213
stack backtrace:
CPU: 1 UID: 0 PID: 23285 Comm: syz.1.4376 Not tainted 6.13.0-syzkaller-09760-g69e858e0b8b2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call Trace:
 <TASK>
 __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:4828 [inline]
 check_wait_context kernel/locking/lockdep.c:4900 [inline]
 __lock_acquire+0x15a8/0x2100 kernel/locking/lockdep.c:5178
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851
 _raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378
 raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598
 raw_spin_rq_lock kernel/sched/sched.h:1521 [inline]
 __task_rq_lock+0xdf/0x3e0 kernel/sched/core.c:676
 ttwu_runnable kernel/sched/core.c:3789 [inline]
 try_to_wake_up+0x170/0x1470 kernel/sched/core.c:4243
 autoremove_wake_function+0x16/0x110 kernel/sched/wait.c:384
 __wake_up_common kernel/sched/wait.c:89 [inline]
 __wake_up_common_lock+0x132/0x1e0 kernel/sched/wait.c:106
 __unix_dgram_recvmsg+0x5f4/0x12f0 net/unix/af_unix.c:2456
 sock_recvmsg_nosec+0x190/0x1d0 net/socket.c:1018
 ____sys_recvmsg+0x3cd/0x480 net/socket.c:2786
 ___sys_recvmsg net/socket.c:2830 [inline]
 do_recvmmsg+0x426/0xab0 net/socket.c:2925
 __sys_recvmmsg net/socket.c:2999 [inline]
 __do_sys_recvmmsg net/socket.c:3022 [inline]
 __se_sys_recvmmsg net/socket.c:3015 [inline]
 __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3015
 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: 0033:0x7fdf1138cda9
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:00007fdf0f1d5038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fdf115a6080 RCX: 00007fdf1138cda9
RDX: 03fffffffffffeda RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007fdf1140e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fdf115a6080 R15: 00007ffeac0015f8
 </TASK>
==================================================================
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:5198
Read of size 8 at addr 1fffffff8773ec40 by task syz.1.4376/23285

CPU: 1 UID: 0 PID: 23285 Comm: syz.1.4376 Not tainted 6.13.0-syzkaller-09760-g69e858e0b8b2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call Trace:
 <TASK>
 __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:5198
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851
 _raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378
 raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598
 raw_spin_rq_lock kernel/sched/sched.h:1521 [inline]
 __task_rq_lock+0xdf/0x3e0 kernel/sched/core.c:676
 ttwu_runnable kernel/sched/core.c:3789 [inline]
 try_to_wake_up+0x170/0x1470 kernel/sched/core.c:4243
 autoremove_wake_function+0x16/0x110 kernel/sched/wait.c:384
 __wake_up_common kernel/sched/wait.c:89 [inline]
 __wake_up_common_lock+0x132/0x1e0 kernel/sched/wait.c:106
 __unix_dgram_recvmsg+0x5f4/0x12f0 net/unix/af_unix.c:2456
 sock_recvmsg_nosec+0x190/0x1d0 net/socket.c:1018
 ____sys_recvmsg+0x3cd/0x480 net/socket.c:2786
 ___sys_recvmsg net/socket.c:2830 [inline]
 do_recvmmsg+0x426/0xab0 net/socket.c:2925
 __sys_recvmmsg net/socket.c:2999 [inline]
 __do_sys_recvmmsg net/socket.c:3022 [inline]
 __se_sys_recvmmsg net/socket.c:3015 [inline]
 __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3015
 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: 0033:0x7fdf1138cda9
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:00007fdf0f1d5038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fdf115a6080 RCX: 00007fdf1138cda9
RDX: 03fffffffffffeda RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007fdf1140e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fdf115a6080 R15: 00007ffeac0015f8
 </TASK>
==================================================================