=============================
[ BUG: Invalid wait context ]
6.13.0-syzkaller-00918-g95ec54a420b8 #0 Not tainted
-----------------------------
sshd/5272 is trying to lock:
ffff88805ffd7298 (&zone->lock){..-.}-{3:3}, at: rmqueue_bulk mm/page_alloc.c:2309 [inline]
ffff88805ffd7298 (&zone->lock){..-.}-{3:3}, at: __rmqueue_pcplist+0x4a2/0x2a90 mm/page_alloc.c:3003
other info that might help us debug this:
context-{2:2}
6 locks held by sshd/5272:
#0: ffff888043d01bd8 (sk_lock-AF_INET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1623 [inline]
#0: ffff888043d01bd8 (sk_lock-AF_INET){+.+.}-{0:0}, at: tcp_sendmsg+0x22/0x50 net/ipv4/tcp.c:1357
#1: ffffffff8e937da0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#1: ffffffff8e937da0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#1: ffffffff8e937da0 (rcu_read_lock){....}-{1:3}, at: __ip_queue_xmit+0x63/0x1ef0 net/ipv4/ip_output.c:471
#2: ffffffff8e937da0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#2: ffffffff8e937da0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#2: ffffffff8e937da0 (rcu_read_lock){....}-{1:3}, at: ip_finish_output2+0x44c/0x12b0 net/ipv4/ip_output.c:229
#3: ffffffff8e937da0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#3: ffffffff8e937da0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#3: ffffffff8e937da0 (rcu_read_lock){....}-{1:3}, at: dev_gro_receive+0x1318/0x2510 net/core/gro.c:480
#4: ffff88801fc3e918 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598
#5: ffff88801fc44b18 (&pcp->lock){+.+.}-{3:3}, at: spin_trylock include/linux/spinlock.h:361 [inline]
#5: ffff88801fc44b18 (&pcp->lock){+.+.}-{3:3}, at: rmqueue_pcplist mm/page_alloc.c:3032 [inline]
#5: ffff88801fc44b18 (&pcp->lock){+.+.}-{3:3}, at: rmqueue mm/page_alloc.c:3076 [inline]
#5: ffff88801fc44b18 (&pcp->lock){+.+.}-{3:3}, at: get_page_from_freelist+0x7d3/0x37a0 mm/page_alloc.c:3473
stack backtrace:
CPU: 0 UID: 0 PID: 5272 Comm: sshd Not tainted 6.13.0-syzkaller-00918-g95ec54a420b8 #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+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_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
rmqueue_bulk mm/page_alloc.c:2309 [inline]
__rmqueue_pcplist+0x4a2/0x2a90 mm/page_alloc.c:3003
rmqueue_pcplist mm/page_alloc.c:3045 [inline]
rmqueue mm/page_alloc.c:3076 [inline]
get_page_from_freelist+0x886/0x37a0 mm/page_alloc.c:3473
__alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
alloc_pages_mpol_noprof+0x3e1/0x780 mm/mempolicy.c:2269
stack_depot_save_flags+0x72d/0x940 lib/stackdepot.c:627
kasan_save_stack+0x4f/0x60 mm/kasan/common.c:48
__kasan_record_aux_stack+0xac/0xc0 mm/kasan/generic.c:544
task_work_add+0xd9/0x490 kernel/task_work.c:77
task_tick_numa kernel/sched/fair.c:3611 [inline]
task_tick_fair+0x30d/0x4e0 kernel/sched/fair.c:12996
sched_tick+0x21e/0x660 kernel/sched/core.c:5652
update_process_times+0x276/0x2f0 kernel/time/timer.c:2524
tick_sched_handle kernel/time/tick-sched.c:276 [inline]
tick_nohz_handler+0x37c/0x500 kernel/time/tick-sched.c:297
__run_hrtimer kernel/time/hrtimer.c:1739 [inline]
__hrtimer_run_queues+0x551/0xd30 kernel/time/hrtimer.c:1803
hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
__sysvec_apic_timer_interrupt+0x110/0x420 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:check_kcov_mode kernel/kcov.c:183 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x28/0x70 kernel/kcov.c:217
Code: 90 90 f3 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 40 d6 03 00 65 8b 15 30 51 64 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 <83> b9 1c 16 00 00 00 74 2c 8b 91 f8 15 00 00 83 fa 02 75 21 48 8b
RSP: 0018:ffffc900000075d0 EFLAGS: 00000246
RAX: ffffffff8a431f0a RBX: 000000000000004e RCX: ffff888000228000
RDX: 0000000000000100 RSI: 000000000000004e RDI: 0000000000010000
RBP: ffff888043d56c10 R08: ffffffff8a431ef8 R09: ffffffff89abdd84
R10: 0000000000000002 R11: ffff888000228000 R12: 1ffff110087aad6f
R13: 1ffff110087aad70 R14: 0000000000000014 R15: ffff888043d56b86
skb_reset_transport_header include/linux/skbuff.h:3020 [inline]
skb_set_transport_header include/linux/skbuff.h:3027 [inline]
inet_gro_receive+0x82a/0xc60 net/ipv4/af_inet.c:1539
dev_gro_receive+0x1f4e/0x2510 net/core/gro.c:516
napi_gro_receive+0x3f9/0xcc0 net/core/gro.c:635
e1000_receive_skb drivers/net/ethernet/intel/e1000/e1000_main.c:4012 [inline]
e1000_clean_rx_irq+0xa4f/0x1290 drivers/net/ethernet/intel/e1000/e1000_main.c:4465
e1000_clean+0xf39/0x3f10 drivers/net/ethernet/intel/e1000/e1000_main.c:3807
__napi_poll+0xcb/0x490 net/core/dev.c:6902
napi_poll net/core/dev.c:6971 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:7093
handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561
do_softirq+0x11b/0x1e0 kernel/softirq.c:462
__local_bh_enable_ip+0x1bb/0x200 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+0x1775/0x3f50 net/core/dev.c:4493
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+0xd76/0x12b0 net/ipv4/ip_output.c:236
ip_local_out net/ipv4/ip_output.c:130 [inline]
__ip_queue_xmit+0x12ca/0x1ef0 net/ipv4/ip_output.c:536
__tcp_transmit_skb+0x2582/0x3ba0 net/ipv4/tcp_output.c:1468
tcp_transmit_skb net/ipv4/tcp_output.c:1486 [inline]
tcp_write_xmit+0x17b5/0x6bf0 net/ipv4/tcp_output.c:2829
__tcp_push_pending_frames+0x9b/0x360 net/ipv4/tcp_output.c:3012
tcp_sendmsg_locked+0x44d6/0x4f30 net/ipv4/tcp.c:1326
tcp_sendmsg+0x30/0x50 net/ipv4/tcp.c:1358
sock_sendmsg_nosec net/socket.c:711 [inline]
__sock_sendmsg+0x1a6/0x270 net/socket.c:726
sock_write_iter+0x2d7/0x3f0 net/socket.c:1147
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaeb/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
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: 0033:0x7efc3a516bf2
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:00007ffea688c9f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000000008c RCX: 00007efc3a516bf2
RDX: 000000000000008c RSI: 000055600f490950 RDI: 0000000000000004
RBP: 000055600f49e210 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000555ffb3a7aa4
R13: 000000000000003e R14: 0000555ffb3a83e8 R15: 00007ffea688ca68
----------------
Code disassembly (best guess):
0: 90 nop
1: 90 nop
2: f3 0f 1e fa endbr64
6: 48 8b 04 24 mov (%rsp),%rax
a: 65 48 8b 0c 25 40 d6 mov %gs:0x3d640,%rcx
11: 03 00
13: 65 8b 15 30 51 64 7e mov %gs:0x7e645130(%rip),%edx # 0x7e64514a
1a: 81 e2 00 01 ff 00 and $0xff0100,%edx
20: 74 11 je 0x33
22: 81 fa 00 01 00 00 cmp $0x100,%edx
28: 75 35 jne 0x5f
* 2a: 83 b9 1c 16 00 00 00 cmpl $0x0,0x161c(%rcx) <-- trapping instruction
31: 74 2c je 0x5f
33: 8b 91 f8 15 00 00 mov 0x15f8(%rcx),%edx
39: 83 fa 02 cmp $0x2,%edx
3c: 75 21 jne 0x5f
3e: 48 rex.W
3f: 8b .byte 0x8b