=============================
[ BUG: Invalid wait context ]
6.12.0-syzkaller-09073-g9f16d5e6f220 #0 Not tainted
-----------------------------
sshd/5937 is trying to lock:
ffffffff8e3a42d8 (stack_list_lock){-.-.}-{3:3}, at: add_stack_record_to_list mm/page_owner.c:182 [inline]
ffffffff8e3a42d8 (stack_list_lock){-.-.}-{3:3}, at: inc_stack_record_count mm/page_owner.c:214 [inline]
ffffffff8e3a42d8 (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}
4 locks held by sshd/5937:
#0: ffff888027c19bd8 (sk_lock-AF_INET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1617 [inline]
#0: ffff888027c19bd8 (sk_lock-AF_INET){+.+.}-{0:0}, at: tcp_sendmsg+0x20/0x50 net/ipv4/tcp.c:1357
#1: ffffffff8e1bba80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#1: ffffffff8e1bba80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#1: ffffffff8e1bba80 (rcu_read_lock){....}-{1:3}, at: __ip_queue_xmit+0x73/0x1970 net/ipv4/ip_output.c:471
#2: ffffffff8e1bba80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#2: ffffffff8e1bba80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#2: ffffffff8e1bba80 (rcu_read_lock){....}-{1:3}, at: ip_finish_output2+0x364/0x2150 net/ipv4/ip_output.c:229
#3: ffff88806a73ebd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:598
stack backtrace:
CPU: 1 UID: 0 PID: 5937 Comm: sshd Not tainted 6.12.0-syzkaller-09073-g9f16d5e6f220 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
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:4826 [inline]
check_wait_context kernel/locking/lockdep.c:4898 [inline]
__lock_acquire+0x878/0x3c40 kernel/locking/lockdep.c:5176
lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5849
__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:1556
prep_new_page mm/page_alloc.c:1564 [inline]
get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3474
__alloc_pages_noprof+0x223/0x25a0 mm/page_alloc.c:4751
alloc_pages_mpol_noprof+0x2c9/0x610 mm/mempolicy.c:2265
stack_depot_save_flags+0x566/0x8f0 lib/stackdepot.c:627
kasan_save_stack+0x42/0x60 mm/kasan/common.c:48
__kasan_record_aux_stack+0xba/0xd0 mm/kasan/generic.c:541
task_work_add+0xc0/0x3b0 kernel/task_work.c:77
task_tick_numa kernel/sched/fair.c:3607 [inline]
task_tick_fair+0x524/0x8e0 kernel/sched/fair.c:13054
sched_tick+0x1dd/0x4f0 kernel/sched/core.c:5652
update_process_times+0x19c/0x2d0 kernel/time/timer.c:2524
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:1739 [inline]
__hrtimer_run_queues+0x5fb/0xae0 kernel/time/hrtimer.c:1803
hrtimer_interrupt+0x392/0x8e0 kernel/time/hrtimer.c:1865
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+0x52/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:unwind_next_frame+0xdda/0x20c0 arch/x86/kernel/unwind_orc.c:665
Code: 74 08 3c 03 0f 8e ae 0e 00 00 41 39 5d 00 0f 85 8f 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 14 24 48 c1 ea 03 80 3c 02 00 <0f> 85 7a 0e 00 00 49 8d 7d 08 49 8b 5d 38 48 b8 00 00 00 00 00 fc
RSP: 0018:ffffc900006b0620 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: 0000000000000002 RCX: ffffc900006b1000
RDX: 1ffff920000d60d9 RSI: ffffc900006b0b58 RDI: ffffc900006b06d0
RBP: ffff8880275b0fe0 R08: ffffc900006b06c4 R09: ffffffff914e803e
R10: ffffc900006b0690 R11: 000000000005491d R12: ffffc900006b06e0
R13: ffffc900006b0690 R14: ffffc900006b0b88 R15: ffffc900006b0b80
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
unpoison_slab_object mm/kasan/common.c:319 [inline]
__kasan_mempool_unpoison_object+0x17f/0x1c0 mm/kasan/common.c:547
kasan_mempool_unpoison_object include/linux/kasan.h:388 [inline]
napi_skb_cache_get+0x327/0x890 net/core/skbuff.c:365
__napi_build_skb+0x14/0x50 net/core/skbuff.c:537
napi_build_skb+0x22/0x280 net/core/skbuff.c:559
e1000_clean_rx_irq+0x9c4/0x1160 drivers/net/ethernet/intel/e1000/e1000_main.c:4388
e1000_clean+0x9d6/0x2700 drivers/net/ethernet/intel/e1000/e1000_main.c:3807
__napi_poll.constprop.0+0xb7/0x550 net/core/dev.c:6877
napi_poll net/core/dev.c:6946 [inline]
net_rx_action+0xa94/0x1010 net/core/dev.c:7068
handle_softirqs+0x213/0x8f0 kernel/softirq.c:554
do_softirq kernel/softirq.c:455 [inline]
do_softirq+0xb2/0xf0 kernel/softirq.c:442
__local_bh_enable_ip+0x100/0x120 kernel/softirq.c:382
local_bh_enable include/linux/bottom_half.h:33 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:919 [inline]
__dev_queue_xmit+0x8b0/0x43e0 net/core/dev.c:4461
dev_queue_xmit include/linux/netdevice.h:3168 [inline]
neigh_hh_output include/net/neighbour.h:523 [inline]
neigh_output include/net/neighbour.h:537 [inline]
ip_finish_output2+0xc6c/0x2150 net/ipv4/ip_output.c:236
__ip_finish_output net/ipv4/ip_output.c:314 [inline]
__ip_finish_output+0x49e/0x950 net/ipv4/ip_output.c:296
ip_finish_output+0x35/0x380 net/ipv4/ip_output.c:324
NF_HOOK_COND include/linux/netfilter.h:303 [inline]
ip_output+0x13b/0x2a0 net/ipv4/ip_output.c:434
dst_output include/net/dst.h:450 [inline]
ip_local_out+0x33e/0x4a0 net/ipv4/ip_output.c:130
__ip_queue_xmit+0x777/0x1970 net/ipv4/ip_output.c:536
__tcp_transmit_skb+0x2b39/0x3df0 net/ipv4/tcp_output.c:1466
tcp_transmit_skb net/ipv4/tcp_output.c:1484 [inline]
tcp_write_xmit+0x12b1/0x8560 net/ipv4/tcp_output.c:2827
__tcp_push_pending_frames+0xaf/0x390 net/ipv4/tcp_output.c:3010
tcp_push+0x221/0x6f0 net/ipv4/tcp.c:751
tcp_sendmsg_locked+0x28d1/0x3770 net/ipv4/tcp.c:1326
tcp_sendmsg+0x2e/0x50 net/ipv4/tcp.c:1358
inet_sendmsg+0xb9/0x140 net/ipv4/af_inet.c:851
sock_sendmsg_nosec net/socket.c:711 [inline]
__sock_sendmsg net/socket.c:726 [inline]
sock_write_iter+0x4ac/0x5b0 net/socket.c:1147
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0x5ae/0x1150 fs/read_write.c:679
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: 0033:0x7fb019b16bf2
Code: 89 c7 48 89 44 24 08 e8 7b 34 fa ff 48 8b 44 24 08 48 83 c4 28 c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 6f 48 8b 15 07 a2 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007fff63c2f548 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000068 RCX: 00007fb019b16bf2
RDX: 0000000000000068 RSI: 0000558a5c914970 RDI: 0000000000000004
RBP: 0000558a5c922230 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000558a2c0abaa4
R13: 0000000000000029 R14: 0000558a2c0ac3e8 R15: 00007fff63c2f5b8
----------------
Code disassembly (best guess):
0: 74 08 je 0xa
2: 3c 03 cmp $0x3,%al
4: 0f 8e ae 0e 00 00 jle 0xeb8
a: 41 39 5d 00 cmp %ebx,0x0(%r13)
e: 0f 85 8f 00 00 00 jne 0xa3
14: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
1b: fc ff df
1e: 48 8b 14 24 mov (%rsp),%rdx
22: 48 c1 ea 03 shr $0x3,%rdx
26: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
* 2a: 0f 85 7a 0e 00 00 jne 0xeaa <-- trapping instruction
30: 49 8d 7d 08 lea 0x8(%r13),%rdi
34: 49 8b 5d 38 mov 0x38(%r13),%rbx
38: 48 rex.W
39: b8 00 00 00 00 mov $0x0,%eax
3e: 00 fc add %bh,%ah