=============================
[ BUG: Invalid wait context ]
6.13.0-syzkaller-05154-g8883957b3c9d #0 Not tainted
-----------------------------
syz.1.2/6005 is trying to lock:
ffff88807ffd8298 (&zone->lock){..-.}-{3:3}, at: rmqueue_buddy mm/page_alloc.c:2909 [inline]
ffff88807ffd8298 (&zone->lock){..-.}-{3:3}, at: rmqueue mm/page_alloc.c:3082 [inline]
ffff88807ffd8298 (&zone->lock){..-.}-{3:3}, at: get_page_from_freelist+0xbbe/0x2f80 mm/page_alloc.c:3473
other info that might help us debug this:
context-{2:2}
4 locks held by syz.1.2/6005:
#0: ffffffff8fef6f68 (rtnl_mutex){+.+.}-{4:4}, at: do_ipv6_setsockopt+0x2158/0x4520 net/ipv6/ipv6_sockglue.c:566
#1: ffff8881071fdfd8 (sk_lock-AF_INET6){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1624 [inline]
#1: ffff8881071fdfd8 (sk_lock-AF_INET6){+.+.}-{0:0}, at: sockopt_lock_sock net/core/sock.c:1133 [inline]
#1: ffff8881071fdfd8 (sk_lock-AF_INET6){+.+.}-{0:0}, at: sockopt_lock_sock+0x54/0x70 net/core/sock.c:1124
#2: ffffffff8e1be2c0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#2: ffffffff8e1be2c0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#2: ffffffff8e1be2c0 (rcu_read_lock){....}-{1:3}, at: ip6_pol_route_lookup+0xf6/0x1e10 net/ipv6/route.c:1227
#3: ffff88806a944c18 (&pcp->lock){+.+.}-{3:3}, at: spin_trylock include/linux/spinlock.h:361 [inline]
#3: ffff88806a944c18 (&pcp->lock){+.+.}-{3:3}, at: rmqueue_pcplist mm/page_alloc.c:3032 [inline]
#3: ffff88806a944c18 (&pcp->lock){+.+.}-{3:3}, at: rmqueue mm/page_alloc.c:3076 [inline]
#3: ffff88806a944c18 (&pcp->lock){+.+.}-{3:3}, at: get_page_from_freelist+0x350/0x2f80 mm/page_alloc.c:3473
stack backtrace:
CPU: 3 UID: 0 PID: 6005 Comm: syz.1.2 Not tainted 6.13.0-syzkaller-05154-g8883957b3c9d #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: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
rmqueue_buddy mm/page_alloc.c:2909 [inline]
rmqueue mm/page_alloc.c:3082 [inline]
get_page_from_freelist+0xbbe/0x2f80 mm/page_alloc.c:3473
__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:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 26 97 3e f6 48 89 df e8 7e 16 3f f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 c5 ec 2f f6 65 8b 05 96 a2 cb 74 85 c0 74 16 5b
RSP: 0018:ffffc90003b563b8 EFLAGS: 00000246
RAX: 0000000000000006 RBX: ffff88807ffd8280 RCX: 1ffffffff2dd7410
RDX: 0000000000000000 RSI: ffffffff8b6cd6c0 RDI: ffffffff8bd2e660
RBP: 0000000000000202 R08: 0000000000000001 R09: fffffbfff2dd6f98
R10: ffffffff96eb7cc7 R11: dffffc0000000000 R12: 000000000000000f
R13: dffffc0000000000 R14: ffff88806a944cc8 R15: ffff88806a944c00
spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
rmqueue_bulk mm/page_alloc.c:2328 [inline]
__rmqueue_pcplist+0x5b1/0x1600 mm/page_alloc.c:3003
rmqueue_pcplist mm/page_alloc.c:3045 [inline]
rmqueue mm/page_alloc.c:3076 [inline]
get_page_from_freelist+0x3d2/0x2f80 mm/page_alloc.c:3473
__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
save_stack+0x16f/0x1f0 mm/page_owner.c:157
__set_page_owner+0x8b/0x560 mm/page_owner.c:320
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_save_track+0x14/0x30 mm/kasan/common.c:68
unpoison_slab_object mm/kasan/common.c:319 [inline]
__kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:345
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4119 [inline]
slab_alloc_node mm/slub.c:4168 [inline]
kmem_cache_alloc_noprof+0x226/0x3d0 mm/slub.c:4175
dst_alloc+0x99/0x1a0 net/core/dst.c:89
ip6_dst_alloc+0x2c/0x90 net/ipv6/route.c:342
ip6_create_rt_rcu+0x27b/0x510 net/ipv6/route.c:1202
ip6_pol_route_lookup+0xbfb/0x1e10 net/ipv6/route.c:1259
pol_lookup_func include/net/ip6_fib.h:616 [inline]
fib6_rule_lookup+0x56a/0x720 net/ipv6/fib6_rules.c:119
rt6_lookup+0x15d/0x220 net/ipv6/route.c:1293
__ipv6_sock_mc_join+0x670/0x930 net/ipv6/mcast.c:202
do_ipv6_mcast_group_source+0x20e/0x260 net/ipv6/ipv6_sockglue.c:189
do_ipv6_setsockopt+0x2b42/0x4520 net/ipv6/ipv6_sockglue.c:937
ipv6_setsockopt+0xcb/0x170 net/ipv6/ipv6_sockglue.c:993
udpv6_setsockopt+0x7d/0xd0 net/ipv6/udp.c:1850
do_sock_setsockopt+0x222/0x480 net/socket.c:2298
__sys_setsockopt+0x1a0/0x230 net/socket.c:2323
__do_sys_setsockopt net/socket.c:2329 [inline]
__se_sys_setsockopt net/socket.c:2326 [inline]
__x64_sys_setsockopt+0xbd/0x160 net/socket.c:2326
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: 0033:0x7fab5cb8cd29
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:00007fab5da44038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fab5cda5fa0 RCX: 00007fab5cb8cd29
RDX: 000000000000002e RSI: 0000000000000029 RDI: 0000000000000005
RBP: 00007fab5cc0e2a0 R08: 0000000000000108 R09: 0000000000000000
R10: 0000000020000200 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fab5cda5fa0 R15: 00007ffffd50e5a8
----------------
Code disassembly (best guess):
0: f5 cmc
1: 53 push %rbx
2: 48 8b 74 24 10 mov 0x10(%rsp),%rsi
7: 48 89 fb mov %rdi,%rbx
a: 48 83 c7 18 add $0x18,%rdi
e: e8 26 97 3e f6 call 0xf63e9739
13: 48 89 df mov %rbx,%rdi
16: e8 7e 16 3f f6 call 0xf63f1699
1b: f7 c5 00 02 00 00 test $0x200,%ebp
21: 75 23 jne 0x46
23: 9c pushf
24: 58 pop %rax
25: f6 c4 02 test $0x2,%ah
28: 75 37 jne 0x61
* 2a: bf 01 00 00 00 mov $0x1,%edi <-- trapping instruction
2f: e8 c5 ec 2f f6 call 0xf62fecf9
34: 65 8b 05 96 a2 cb 74 mov %gs:0x74cba296(%rip),%eax # 0x74cba2d1
3b: 85 c0 test %eax,%eax
3d: 74 16 je 0x55
3f: 5b pop %rbx