=============================
[ BUG: Invalid wait context ]
6.13.0-rc7-syzkaller-00191-gfda5e3f28400 #0 Not tainted
-----------------------------
syz.4.262/7046 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.4.262/7046:
#0: ffffffff8fee02c8 (rtnl_mutex){+.+.}-{4:4}, at: dev_ioctl+0x213/0x10c0 net/core/dev_ioctl.c:782
#1: ffffffff90054230 ((inetaddr_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain kernel/notifier.c:379 [inline]
#1: ffffffff90054230 ((inetaddr_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x53/0xa0 kernel/notifier.c:368
#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: atomic_notifier_call_chain+0x3a/0x1c0 kernel/notifier.c:222
#3: ffff88806a844c58 (&pcp->lock){+.+.}-{3:3}, at: spin_trylock include/linux/spinlock.h:361 [inline]
#3: ffff88806a844c58 (&pcp->lock){+.+.}-{3:3}, at: rmqueue_pcplist mm/page_alloc.c:3032 [inline]
#3: ffff88806a844c58 (&pcp->lock){+.+.}-{3:3}, at: rmqueue mm/page_alloc.c:3076 [inline]
#3: ffff88806a844c58 (&pcp->lock){+.+.}-{3:3}, at: get_page_from_freelist+0x350/0x2f80 mm/page_alloc.c:3473
stack backtrace:
CPU: 2 UID: 0 PID: 7046 Comm: syz.4.262 Not tainted 6.13.0-rc7-syzkaller-00191-gfda5e3f28400 #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
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+0x223/0x25b0 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:2526
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+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 76 22 4a f6 48 89 df e8 ce a1 4a f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 c5 86 3b f6 65 8b 05 86 30 d7 74 85 c0 74 16 5b
RSP: 0018:ffffc900055769f8 EFLAGS: 00000246
RAX: 0000000000000002 RBX: ffff88807ffd8280 RCX: 1ffffffff2dcb410
RDX: 0000000000000000 RSI: ffffffff8b6cd9e0 RDI: ffffffff8bd21860
RBP: 0000000000000202 R08: 0000000000000001 R09: fffffbfff2dcaf98
R10: ffffffff96e57cc7 R11: dffffc0000000000 R12: 000000000000000f
R13: dffffc0000000000 R14: ffff88806a844d08 R15: ffff88806a844c40
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+0x223/0x25b0 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
poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
__kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394
kmalloc_noprof include/linux/slab.h:901 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
nsim_fib_event_schedule_work drivers/net/netdevsim/fib.c:990 [inline]
nsim_fib_event_nb+0x1b6/0xec0 drivers/net/netdevsim/fib.c:1043
notifier_call_chain+0xb7/0x410 kernel/notifier.c:85
atomic_notifier_call_chain+0x71/0x1c0 kernel/notifier.c:223
call_fib_notifiers+0x33/0x70 net/core/fib_notifier.c:35
call_fib_entry_notifiers net/ipv4/fib_trie.c:107 [inline]
fib_notify_alias_delete+0x2c0/0x390 net/ipv4/fib_trie.c:1702
fib_table_flush+0x4b8/0xc80 net/ipv4/fib_trie.c:2086
fib_flush+0x9b/0x120 net/ipv4/fib_frontend.c:195
fib_del_ifaddr+0xee4/0x1510 net/ipv4/fib_frontend.c:1338
fib_inetaddr_event+0xbd/0x2c0 net/ipv4/fib_frontend.c:1456
notifier_call_chain+0xb7/0x410 kernel/notifier.c:85
blocking_notifier_call_chain kernel/notifier.c:380 [inline]
blocking_notifier_call_chain+0x69/0xa0 kernel/notifier.c:368
__inet_del_ifa+0x3dd/0xf40 net/ipv4/devinet.c:459
inet_del_ifa net/ipv4/devinet.c:496 [inline]
inetdev_destroy net/ipv4/devinet.c:336 [inline]
inetdev_event+0x595/0x18a0 net/ipv4/devinet.c:1663
notifier_call_chain+0xb7/0x410 kernel/notifier.c:85
call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:2026
call_netdevice_notifiers_mtu net/core/dev.c:2101 [inline]
dev_set_mtu_ext+0x3c1/0x5c0 net/core/dev.c:9111
dev_set_mtu+0xb1/0x160 net/core/dev.c:9132
dev_ifsioc+0x7ef/0x10b0 net/core/dev_ioctl.c:533
dev_ioctl+0x224/0x10c0 net/core/dev_ioctl.c:783
sock_do_ioctl+0x19e/0x280 net/socket.c:1223
sock_ioctl+0x228/0x6c0 net/socket.c:1328
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:906 [inline]
__se_sys_ioctl fs/ioctl.c:892 [inline]
__x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892
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: 0033:0x7fc64e385d29
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:00007fc64f1f6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc64e575fa0 RCX: 00007fc64e385d29
RDX: 0000000020000b40 RSI: 0000000000008922 RDI: 0000000000000005
RBP: 00007fc64e401b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc64e575fa0 R15: 00007ffcd591e958
----------------
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 76 22 4a f6 call 0xf64a2289
13: 48 89 df mov %rbx,%rdi
16: e8 ce a1 4a f6 call 0xf64aa1e9
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 86 3b f6 call 0xf63b86f9
34: 65 8b 05 86 30 d7 74 mov %gs:0x74d73086(%rip),%eax # 0x74d730c1
3b: 85 c0 test %eax,%eax
3d: 74 16 je 0x55
3f: 5b pop %rbx