=============================
[ BUG: Invalid wait context ]
6.13.0-syzkaller-04541-gdf60eac9efe8 #0 Not tainted
-----------------------------
syz.0.0/5323 is trying to lock:
ffff88805ffd7298 (&zone->lock){..-.}-{3:3}, at: rmqueue_buddy mm/page_alloc.c:2909 [inline]
ffff88805ffd7298 (&zone->lock){..-.}-{3:3}, at: rmqueue mm/page_alloc.c:3082 [inline]
ffff88805ffd7298 (&zone->lock){..-.}-{3:3}, at: get_page_from_freelist+0xb3d/0x37a0 mm/page_alloc.c:3473
other info that might help us debug this:
context-{2:2}
4 locks held by syz.0.0/5323:
#0: ffff888053548420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:547
#1: ffff888043ef5338 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: inode_lock include/linux/fs.h:832 [inline]
#1: ffff888043ef5338 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: open_last_lookups fs/namei.c:3745 [inline]
#1: ffff888043ef5338 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: path_openat+0x89a/0x3590 fs/namei.c:3984
#2: ffff888052019080 (&mk->mk_sem){.+.+}-{4:4}, at: setup_file_encryption_key fs/crypto/keysetup.c:487 [inline]
#2: ffff888052019080 (&mk->mk_sem){.+.+}-{4:4}, at: fscrypt_setup_encryption_info+0x573/0x1390 fs/crypto/keysetup.c:590
#3: ffff88801fc44ad8 (&pcp->lock){+.+.}-{3:3}, at: spin_trylock include/linux/spinlock.h:361 [inline]
#3: ffff88801fc44ad8 (&pcp->lock){+.+.}-{3:3}, at: rmqueue_pcplist mm/page_alloc.c:3032 [inline]
#3: ffff88801fc44ad8 (&pcp->lock){+.+.}-{3:3}, at: rmqueue mm/page_alloc.c:3076 [inline]
#3: ffff88801fc44ad8 (&pcp->lock){+.+.}-{3:3}, at: get_page_from_freelist+0x7d3/0x37a0 mm/page_alloc.c:3473
stack backtrace:
CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted 6.13.0-syzkaller-04541-gdf60eac9efe8 #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:4828 [inline]
check_wait_context kernel/locking/lockdep.c:4900 [inline]
__lock_acquire+0x15a8/0x2100 kernel/locking/lockdep.c:5178
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
rmqueue_buddy mm/page_alloc.c:2909 [inline]
rmqueue mm/page_alloc.c:3082 [inline]
get_page_from_freelist+0xb3d/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
__run_posix_cpu_timers kernel/time/posix-cpu-timers.c:1223 [inline]
run_posix_cpu_timers+0x6ac/0x810 kernel/time/posix-cpu-timers.c:1422
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:1738 [inline]
__hrtimer_run_queues+0x551/0xd30 kernel/time/hrtimer.c:1802
hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1864
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+0xa1/0xc0 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+0xd8/0x140 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 be 50 2f f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 73 00 97 f5 65 8b 05 e4 24 2d 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc900019c6900 EFLAGS: 00000206
RAX: 76c72a3a8a90b700 RBX: 1ffff92000338d24 RCX: ffffffff817b5ada
RDX: dffffc0000000000 RSI: ffffffff8c0a9420 RDI: 0000000000000001
RBP: ffffc900019c6998 R08: ffffffff942f5847 R09: 1ffffffff285eb08
R10: dffffc0000000000 R11: fffffbfff285eb09 R12: dffffc0000000000
R13: 1ffff92000338d20 R14: ffffc900019c6920 R15: 0000000000000246
spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
rmqueue_bulk mm/page_alloc.c:2328 [inline]
__rmqueue_pcplist+0x21fd/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 mm/kasan/common.c:48 [inline]
kasan_save_track+0x51/0x80 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
__kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:394
kasan_kmalloc include/linux/kasan.h:260 [inline]
__do_kmalloc_node mm/slub.c:4298 [inline]
__kmalloc_node_noprof+0x290/0x4d0 mm/slub.c:4304
kmalloc_node_noprof include/linux/slab.h:928 [inline]
crypto_alloc_tfmmem crypto/api.c:513 [inline]
crypto_create_tfm_node+0x88/0x3d0 crypto/api.c:533
crypto_alloc_tfm_node+0x161/0x360 crypto/api.c:640
fscrypt_allocate_skcipher fs/crypto/keysetup.c:106 [inline]
fscrypt_prepare_key+0x8d/0x370 fs/crypto/keysetup.c:158
fscrypt_set_per_file_enc_key fs/crypto/keysetup.c:185 [inline]
fscrypt_setup_v2_file_key fs/crypto/keysetup.c:374 [inline]
setup_file_encryption_key fs/crypto/keysetup.c:505 [inline]
fscrypt_setup_encryption_info+0xc16/0x1390 fs/crypto/keysetup.c:590
fscrypt_prepare_new_inode+0x247/0x350 fs/crypto/keysetup.c:738
__ext4_new_inode+0x824/0x4380 fs/ext4/ialloc.c:987
ext4_create+0x279/0x550 fs/ext4/namei.c:2841
lookup_open fs/namei.c:3649 [inline]
open_last_lookups fs/namei.c:3748 [inline]
path_openat+0x1c03/0x3590 fs/namei.c:3984
do_filp_open+0x27f/0x4e0 fs/namei.c:4014
do_sys_openat2+0x13e/0x1d0 fs/open.c:1395
do_sys_open fs/open.c:1410 [inline]
__do_sys_creat fs/open.c:1488 [inline]
__se_sys_creat fs/open.c:1482 [inline]
__x64_sys_creat+0x123/0x170 fs/open.c:1482
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: 0033:0x7fe322b85d29
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:00007fe31efd4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007fe322d76080 RCX: 00007fe322b85d29
RDX: 0000000000000000 RSI: 00000000000000b2 RDI: 0000000020000000
RBP: 00007fe322c01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe322d76080 R15: 00007ffc95619c78
----------------
Code disassembly (best guess):
0: 9c pushf
1: 8f 44 24 20 pop 0x20(%rsp)
5: 42 80 3c 23 00 cmpb $0x0,(%rbx,%r12,1)
a: 74 08 je 0x14
c: 4c 89 f7 mov %r14,%rdi
f: e8 be 50 2f f6 call 0xf62f50d2
14: f6 44 24 21 02 testb $0x2,0x21(%rsp)
19: 75 52 jne 0x6d
1b: 41 f7 c7 00 02 00 00 test $0x200,%r15d
22: 74 01 je 0x25
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
* 2a: e8 73 00 97 f5 call 0xf59700a2 <-- trapping instruction
2f: 65 8b 05 e4 24 2d 74 mov %gs:0x742d24e4(%rip),%eax # 0x742d251a
36: 85 c0 test %eax,%eax
38: 74 43 je 0x7d
3a: 48 rex.W
3b: c7 .byte 0xc7
3c: 04 24 add $0x24,%al
3e: 0e (bad)
3f: 36 ss