=============================
[ BUG: Invalid wait context ]
6.13.0-syzkaller-06167-g0afd22092df4 #0 Not tainted
-----------------------------
syz.4.78/6114 is trying to lock:
ffffffff8e3a7e78 (stack_list_lock){-.-.}-{3:3}, at: add_stack_record_to_list mm/page_owner.c:182 [inline]
ffffffff8e3a7e78 (stack_list_lock){-.-.}-{3:3}, at: inc_stack_record_count mm/page_owner.c:214 [inline]
ffffffff8e3a7e78 (stack_list_lock){-.-.}-{3:3}, at: __set_page_owner+0x3ea/0x560 mm/page_owner.c:329
other info that might help us debug this:
context-{2:2}
2 locks held by syz.4.78/6114:
#0: ffffffff8e1ab8a0 (console_lock){+.+.}-{0:0}, at: _printk+0xc8/0x100 kernel/printk/printk.c:2457
#1: ffffffff8e1ab910 (console_srcu){....}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:342 [inline]
#1: ffffffff8e1ab910 (console_srcu){....}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:304 [inline]
#1: ffffffff8e1ab910 (console_srcu){....}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:288 [inline]
#1: ffffffff8e1ab910 (console_srcu){....}-{0:0}, at: console_flush_all+0x159/0xc60 kernel/printk/printk.c:3187
stack backtrace:
CPU: 0 UID: 0 PID: 6114 Comm: syz.4.78 Not tainted 6.13.0-syzkaller-06167-g0afd22092df4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 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+0x878/0x3c40 kernel/locking/lockdep.c:5178
lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5851
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
add_stack_record_to_list mm/page_owner.c:182 [inline]
inc_stack_record_count mm/page_owner.c:214 [inline]
__set_page_owner+0x3ea/0x560 mm/page_owner.c:329
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1558
prep_new_page mm/page_alloc.c:1566 [inline]
get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3476
__alloc_pages_noprof+0x221/0x2470 mm/page_alloc.c:4753
alloc_pages_mpol_noprof+0x2c8/0x620 mm/mempolicy.c:2269
stack_depot_save_flags+0x8aa/0x9c0 lib/stackdepot.c:627
kasan_save_stack+0x42/0x60 mm/kasan/common.c:48
__kasan_record_aux_stack+0xba/0xd0 mm/kasan/generic.c:544
task_work_add+0xc0/0x3b0 kernel/task_work.c:77
__run_posix_cpu_timers kernel/time/posix-cpu-timers.c:1223 [inline]
run_posix_cpu_timers+0x69f/0x7d0 kernel/time/posix-cpu-timers.c:1422
update_process_times+0x1a1/0x2d0 kernel/time/timer.c:2522
tick_sched_handle kernel/time/tick-sched.c:276 [inline]
tick_nohz_handler+0x376/0x530 kernel/time/tick-sched.c:297
__run_hrtimer kernel/time/hrtimer.c:1738 [inline]
__hrtimer_run_queues+0x5fb/0xae0 kernel/time/hrtimer.c:1802
hrtimer_interrupt+0x392/0x8e0 kernel/time/hrtimer.c:1864
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
__sysvec_apic_timer_interrupt+0x10f/0x400 arch/x86/kernel/apic/apic.c:1055
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0x9f/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_flush_all+0x9a4/0xc60 kernel/printk/printk.c:3211
Code: 00 e8 00 c7 27 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 0e 1c 20 00 48 85 db 0f 85 55 01 00 00 e8 d0 20 20 00 fb 4c 89 e0 <48> c1 e8 03 42 80 3c 38 00 0f 84 11 ff ff ff 4c 89 e7 e8 65 29 83
RSP: 0018:ffffc90004b77580 EFLAGS: 00000283
RAX: ffffffff8eeac6b8 RBX: 0000000000000000 RCX: ffffc9000f051000
RDX: 0000000000080000 RSI: ffffffff8199a6e0 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000003 R12: ffffffff8eeac6b8
R13: ffffffff8eeac660 R14: ffffc90004b77610 R15: dffffc0000000000
__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
_printk+0xc8/0x100 kernel/printk/printk.c:2457
selinux_netlink_send+0x6d0/0x830 security/selinux/hooks.c:5994
security_netlink_send+0x1e3/0x210 security/security.c:4294
netlink_sendmsg+0x83f/0xd70 net/netlink/af_netlink.c:1882
sock_sendmsg_nosec net/socket.c:713 [inline]
__sock_sendmsg net/socket.c:728 [inline]
____sys_sendmsg+0xaaf/0xc90 net/socket.c:2568
___sys_sendmsg+0x135/0x1e0 net/socket.c:2622
__sys_sendmsg+0x16e/0x220 net/socket.c:2654
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: 0033:0x7fe5de78cd29
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:00007fe5dc5f6038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fe5de9a6080 RCX: 00007fe5de78cd29
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
RBP: 00007fe5de80e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fe5de9a6080 R15: 00007ffc136ab3f8
----------------
Code disassembly (best guess), 1 bytes skipped:
0: e8 00 c7 27 00 call 0x27c705
5: 9c pushf
6: 5b pop %rbx
7: 81 e3 00 02 00 00 and $0x200,%ebx
d: 31 ff xor %edi,%edi
f: 48 89 de mov %rbx,%rsi
12: e8 0e 1c 20 00 call 0x201c25
17: 48 85 db test %rbx,%rbx
1a: 0f 85 55 01 00 00 jne 0x175
20: e8 d0 20 20 00 call 0x2020f5
25: fb sti
26: 4c 89 e0 mov %r12,%rax
* 29: 48 c1 e8 03 shr $0x3,%rax <-- trapping instruction
2d: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1)
32: 0f 84 11 ff ff ff je 0xffffff49
38: 4c 89 e7 mov %r12,%rdi
3b: e8 .byte 0xe8
3c: 65 gs
3d: 29 .byte 0x29
3e: 83 .byte 0x83