=============================
[ BUG: Invalid wait context ]
6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0 Not tainted
-----------------------------
sshd/5921 is trying to lock:
ffff88806a742cc0 (&c->lock){-.-.}-{3:3}, at: local_lock_acquire include/linux/local_lock_internal.h:29 [inline]
ffff88806a742cc0 (&c->lock){-.-.}-{3:3}, at: ___slab_alloc+0x112/0x17a0 mm/slub.c:3707
other info that might help us debug this:
context-{2:2}
5 locks held by sshd/5921:
 #0: ffff8880347ba898 (sk_lock-AF_INET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1623 [inline]
 #0: ffff8880347ba898 (sk_lock-AF_INET){+.+.}-{0:0}, at: tcp_sendmsg+0x20/0x50 net/ipv4/tcp.c:1357
 #1: ffffffff8e1bb900 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
 #1: ffffffff8e1bb900 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #1: ffffffff8e1bb900 (rcu_read_lock){....}-{1:3}, at: __ip_queue_xmit+0x73/0x1970 net/ipv4/ip_output.c:471
 #2: ffffffff8e1bb900 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
 #2: ffffffff8e1bb900 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #2: ffffffff8e1bb900 (rcu_read_lock){....}-{1:3}, at: ip_finish_output2+0x364/0x2150 net/ipv4/ip_output.c:229
 #3: ffff88806a73cae0 (bh_lock){+.-.}-{3:3}, at: local_lock_acquire include/linux/local_lock_internal.h:29 [inline]
 #3: ffff88806a73cae0 (bh_lock){+.-.}-{3:3}, at: __napi_alloc_frag_align+0x11b/0x580 net/core/skbuff.c:317
 #4: 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: 5921 Comm: sshd Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #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:
 <IRQ>
 __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
 local_lock_acquire include/linux/local_lock_internal.h:29 [inline]
 ___slab_alloc+0x123/0x17a0 mm/slub.c:3707
 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3920
 __slab_alloc_node mm/slub.c:3995 [inline]
 slab_alloc_node mm/slub.c:4156 [inline]
 __kmalloc_cache_noprof+0xfa/0x410 mm/slub.c:4324
 kmalloc_noprof include/linux/slab.h:901 [inline]
 add_stack_record_to_list mm/page_owner.c:172 [inline]
 inc_stack_record_count mm/page_owner.c:214 [inline]
 __set_page_owner+0x34d/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+0x223/0x25b0 mm/page_alloc.c:4753
 alloc_pages_mpol_noprof+0x2c9/0x610 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
 task_tick_numa kernel/sched/fair.c:3616 [inline]
 task_tick_fair+0x524/0x8e0 kernel/sched/fair.c:13101
 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:lock_acquire.part.0+0x155/0x380 kernel/locking/lockdep.c:5814
Code: b8 ff ff ff ff 65 0f c1 05 d0 c1 8b 7e 83 f8 01 0f 85 d0 01 00 00 9c 58 f6 c4 02 0f 85 e5 01 00 00 48 85 ed 0f 85 b6 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7
RSP: 0018:ffffc900006b08b8 EFLAGS: 00000206
RAX: 0000000000000046 RBX: 1ffff920000d6118 RCX: ffffffff8175d19e
RDX: 0000000000000001 RSI: ffffffff8b6cdce0 RDI: ffffffff8bd1ede0
RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff2dca3a0
R10: ffffffff96e51d07 R11: 0000000000000003 R12: 0000000000000000
R13: ffff88806a73cae0 R14: 0000000000000000 R15: 0000000000000000
 local_lock_acquire include/linux/local_lock_internal.h:29 [inline]
 __napi_alloc_frag_align+0x133/0x580 net/core/skbuff.c:317
 __netdev_alloc_frag_align+0xdd/0x120 net/core/skbuff.c:339
 netdev_alloc_frag include/linux/skbuff.h:3373 [inline]
 e1000_alloc_frag drivers/net/ethernet/intel/e1000/e1000_main.c:2074 [inline]
 e1000_alloc_rx_buffers+0x27c/0xd30 drivers/net/ethernet/intel/e1000/e1000_main.c:4584
 e1000_clean_rx_irq+0xb4b/0x1160 drivers/net/ethernet/intel/e1000/e1000_main.c:4472
 e1000_clean+0x9d6/0x2700 drivers/net/ethernet/intel/e1000/e1000_main.c:3807
 __napi_poll.constprop.0+0xb7/0x550 net/core/dev.c:6883
 napi_poll net/core/dev.c:6952 [inline]
 net_rx_action+0xa94/0x1010 net/core/dev.c:7074
 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
 do_softirq kernel/softirq.c:462 [inline]
 do_softirq+0xb2/0xf0 kernel/softirq.c:449
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x100/0x120 kernel/softirq.c:389
 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_resolve_output net/core/neighbour.c:1514 [inline]
 neigh_resolve_output+0x5bc/0x950 net/core/neighbour.c:1494
 neigh_output include/net/neighbour.h:539 [inline]
 ip_finish_output2+0x7f0/0x2150 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+0x2b39/0x3e10 net/ipv4/tcp_output.c:1468
 tcp_transmit_skb net/ipv4/tcp_output.c:1486 [inline]
 tcp_write_xmit+0x12b1/0x8560 net/ipv4/tcp_output.c:2829
 __tcp_push_pending_frames+0xaf/0x390 net/ipv4/tcp_output.c:3012
 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: 0033:0x7f4146716bf2
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:00007ffcc8f01478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000068 RCX: 00007f4146716bf2
RDX: 0000000000000068 RSI: 00005605be83a970 RDI: 0000000000000004
RBP: 00005605be843df0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000560599883aa4
R13: 000000000000004b R14: 00005605998843e8 R15: 00007ffcc8f014e8
 </TASK>
----------------
Code disassembly (best guess):
   0:	b8 ff ff ff ff       	mov    $0xffffffff,%eax
   5:	65 0f c1 05 d0 c1 8b 	xadd   %eax,%gs:0x7e8bc1d0(%rip)        # 0x7e8bc1dd
   c:	7e
   d:	83 f8 01             	cmp    $0x1,%eax
  10:	0f 85 d0 01 00 00    	jne    0x1e6
  16:	9c                   	pushf
  17:	58                   	pop    %rax
  18:	f6 c4 02             	test   $0x2,%ah
  1b:	0f 85 e5 01 00 00    	jne    0x206
  21:	48 85 ed             	test   %rbp,%rbp
  24:	0f 85 b6 01 00 00    	jne    0x1e0
* 2a:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax <-- trapping instruction
  31:	fc ff df
  34:	48 01 c3             	add    %rax,%rbx
  37:	48 c7 03 00 00 00 00 	movq   $0x0,(%rbx)
  3e:	48                   	rex.W
  3f:	c7                   	.byte 0xc7