oom_reaper: unable to reap pid:17665 (syz-executor.3)
Showing all locks held in the system:
ieee802154 phy0 wpan0: encryption failed: -22
ieee802154 phy1 wpan1: encryption failed: -22
3 locks held by systemd/1:
INFO: task syz-executor.4:11429 blocked for more than 140 seconds.
      Not tainted 4.19.211-syzkaller #0
1 lock held by khungtaskd/1570:
syz-executor.3 cpuset=/ mems_allowed=0-1
CPU: 0 PID: 15979 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 dump_header+0x15d/0xc3f mm/oom_kill.c:443
 oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:956
 out_of_memory mm/oom_kill.c:1114 [inline]
 out_of_memory+0x1072/0x1390 mm/oom_kill.c:1064
 __alloc_pages_may_oom mm/page_alloc.c:3553 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4255 [inline]
 __alloc_pages_nodemask+0x23a2/0x2890 mm/page_alloc.c:4419
 __alloc_pages include/linux/gfp.h:496 [inline]
 __alloc_pages_node include/linux/gfp.h:509 [inline]
 kmem_getpages mm/slab.c:1412 [inline]
 cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
 fallback_alloc+0x213/0x2e0 mm/slab.c:3224
 __do_cache_alloc mm/slab.c:3361 [inline]
 slab_alloc mm/slab.c:3389 [inline]
 kmem_cache_alloc+0x1e4/0x370 mm/slab.c:3557
 anon_vma_alloc mm/rmap.c:82 [inline]
 anon_vma_fork+0xed/0x630 mm/rmap.c:341
 dup_mmap kernel/fork.c:504 [inline]
 dup_mm kernel/fork.c:1285 [inline]
 copy_mm kernel/fork.c:1341 [inline]
 copy_process.part.0+0x360f/0x8260 kernel/fork.c:1913
 copy_process kernel/fork.c:1710 [inline]
 _do_fork+0x22f/0xf30 kernel/fork.c:2219
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fd9942fafe9
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd992c4f118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fd99440e030 RCX: 00007fd9942fafe9
RDX: 00000000200006c0 RSI: 00000000200006b0 RDI: 0000000080820000
RBP: 00007fd99435508d R08: 0000000020000840 R09: 0000000020000840
R10: 0000000020000700 R11: 0000000000000206 R12: 0000000000000000
R13: 00007fffea7350bf R14: 00007fd992c4f300 R15: 0000000000022000
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
1 lock held by oom_reaper/1571:
 #0: 00000000cd30a0e8 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441