======================================================
WARNING: possible circular locking dependency detected
6.13.0-rc6-syzkaller-00046-g0b7958fa05d5 #0 Not tainted
------------------------------------------------------
syz.3.878/10355 is trying to acquire lock:
ffff888020726890 (set->srcu){.+.+}-{0:0}, at: srcu_lock_sync include/linux/srcu.h:170 [inline]
ffff888020726890 (set->srcu){.+.+}-{0:0}, at: __synchronize_srcu+0x99/0x2a0 kernel/rcu/srcutree.c:1418
but task is already holding lock:
ffff888143782cf8 (&q->sysfs_lock){+.+.}-{4:4}, at: blk_mq_elv_switch_none block/blk-mq.c:4932 [inline]
ffff888143782cf8 (&q->sysfs_lock){+.+.}-{4:4}, at: __blk_mq_update_nr_hw_queues+0x446/0x14e0 block/blk-mq.c:5010
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #7 (&q->sysfs_lock){+.+.}-{4:4}:
__mutex_lock_common kernel/locking/mutex.c:585 [inline]
__mutex_lock+0x19b/0xa60 kernel/locking/mutex.c:735
blk_mq_elv_switch_none block/blk-mq.c:4932 [inline]
__blk_mq_update_nr_hw_queues+0x446/0x14e0 block/blk-mq.c:5010
blk_mq_update_nr_hw_queues+0x2a/0x40 block/blk-mq.c:5070
nbd_start_device+0x15b/0xd70 drivers/block/nbd.c:1413
nbd_start_device_ioctl drivers/block/nbd.c:1464 [inline]
__nbd_ioctl drivers/block/nbd.c:1539 [inline]
nbd_ioctl+0x21a/0xfd0 drivers/block/nbd.c:1579
blkdev_ioctl+0x279/0x6d0 block/ioctl.c:693
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+0x193/0x200 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
-> #6 (&q->q_usage_counter(io)#52){++++}-{0:0}:
bio_queue_enter block/blk.h:75 [inline]
blk_mq_submit_bio+0x1fb6/0x24c0 block/blk-mq.c:3090
__submit_bio+0x384/0x540 block/blk-core.c:629
__submit_bio_noacct_mq block/blk-core.c:710 [inline]
submit_bio_noacct_nocheck+0x698/0xd70 block/blk-core.c:739
submit_bio_noacct+0x93a/0x1e20 block/blk-core.c:868
mpage_bio_submit_read fs/mpage.c:75 [inline]
mpage_readahead+0x41d/0x590 fs/mpage.c:377
read_pages+0x1ab/0xdc0 mm/readahead.c:160
page_cache_ra_unbounded+0x3dc/0x750 mm/readahead.c:295
do_page_cache_ra mm/readahead.c:325 [inline]
force_page_cache_ra+0x24b/0x340 mm/readahead.c:354
page_cache_sync_ra+0x110/0x9c0 mm/readahead.c:566
page_cache_sync_readahead include/linux/pagemap.h:1397 [inline]
filemap_get_pages+0xd7b/0x1be0 mm/filemap.c:2537
filemap_read+0x3ca/0xd70 mm/filemap.c:2637
blkdev_read_iter+0x187/0x480 block/fops.c:770
new_sync_read fs/read_write.c:484 [inline]
vfs_read+0x882/0xbe0 fs/read_write.c:565
ksys_read+0x12b/0x250 fs/read_write.c:708
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
-> #5 (mapping.invalidate_lock#2){.+.+}-{4:4}:
down_read+0x9a/0x330 kernel/locking/rwsem.c:1524
filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
filemap_fault+0x62c/0x2820 mm/filemap.c:3342
__do_fault+0x10d/0x490 mm/memory.c:4907
do_read_fault mm/memory.c:5322 [inline]
do_fault mm/memory.c:5456 [inline]
do_pte_missing+0xebd/0x3e00 mm/memory.c:3979
handle_pte_fault mm/memory.c:5801 [inline]
__handle_mm_fault+0x103c/0x2a40 mm/memory.c:5944
handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6112
faultin_page mm/gup.c:1196 [inline]
__get_user_pages+0x8d9/0x3b50 mm/gup.c:1494
populate_vma_page_range+0x27f/0x3a0 mm/gup.c:1932
__mm_populate+0x1d6/0x380 mm/gup.c:2035
do_mlock+0x40a/0x7d0 mm/mlock.c:653
__do_sys_mlock mm/mlock.c:661 [inline]
__se_sys_mlock mm/mlock.c:659 [inline]
__x64_sys_mlock+0x59/0x80 mm/mlock.c:659
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
-> #4 (&mm->mmap_lock){++++}-{4:4}:
__might_fault mm/memory.c:6751 [inline]
__might_fault+0x11b/0x190 mm/memory.c:6744
_copy_from_iter+0x1c4/0x1560 lib/iov_iter.c:259
copy_from_iter include/linux/uio.h:219 [inline]
copy_from_iter_full include/linux/uio.h:236 [inline]
skb_do_copy_data_nocache include/net/sock.h:2193 [inline]
skb_copy_to_page_nocache include/net/sock.h:2219 [inline]
tcp_sendmsg_locked+0x193b/0x3770 net/ipv4/tcp.c:1222
tcp_sendmsg+0x2e/0x50 net/ipv4/tcp.c:1358
inet_sendmsg+0xb9/0x140 net/ipv4/af_inet.c:851
sock_sendmsg_nosec net/socket.c:711 [inline]
__sock_sendmsg net/socket.c:726 [inline]
sock_write_iter+0x4ac/0x5b0 net/socket.c:1147
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0x5b1/0x1150 fs/read_write.c:679
ksys_write+0x207/0x250 fs/read_write.c:731
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
-> #3 (sk_lock-AF_INET){+.+.}-{0:0}:
lock_sock_nested+0x3a/0xf0 net/core/sock.c:3625
lock_sock include/net/sock.h:1623 [inline]
inet_autobind+0x1a/0x1a0 net/ipv4/af_inet.c:178
inet_send_prepare+0x317/0x530 net/ipv4/af_inet.c:837
inet_sendmsg+0x43/0x140 net/ipv4/af_inet.c:848
sock_sendmsg_nosec net/socket.c:711 [inline]
__sock_sendmsg net/socket.c:726 [inline]
sock_sendmsg+0x389/0x490 net/socket.c:749
__sock_xmit+0x1e8/0x4f0 drivers/block/nbd.c:577
sock_xmit drivers/block/nbd.c:605 [inline]
nbd_send_cmd+0x8ec/0x1cf0 drivers/block/nbd.c:691
nbd_handle_cmd drivers/block/nbd.c:1113 [inline]
nbd_queue_rq+0x941/0x1220 drivers/block/nbd.c:1143
blk_mq_dispatch_rq_list+0x446/0x1dc0 block/blk-mq.c:2118
__blk_mq_do_dispatch_sched block/blk-mq-sched.c:170 [inline]
blk_mq_do_dispatch_sched block/blk-mq-sched.c:184 [inline]
__blk_mq_sched_dispatch_requests+0xcdf/0x1620 block/blk-mq-sched.c:309
blk_mq_sched_dispatch_requests+0xd8/0x1b0 block/blk-mq-sched.c:331
blk_mq_run_hw_queue+0x239/0x670 block/blk-mq.c:2352
blk_mq_dispatch_plug_list block/blk-mq.c:2862 [inline]
blk_mq_flush_plug_list+0x673/0x1c60 block/blk-mq.c:2913
__blk_flush_plug+0x2c5/0x4b0 block/blk-core.c:1213
blk_finish_plug block/blk-core.c:1240 [inline]
blk_finish_plug block/blk-core.c:1237 [inline]
__submit_bio+0x439/0x540 block/blk-core.c:637
__submit_bio_noacct_mq block/blk-core.c:710 [inline]
submit_bio_noacct_nocheck+0x698/0xd70 block/blk-core.c:739
submit_bio_noacct+0x93a/0x1e20 block/blk-core.c:868
submit_bh fs/buffer.c:2819 [inline]
block_read_full_folio+0x812/0xa50 fs/buffer.c:2446
filemap_read_folio+0xc9/0x2a0 mm/filemap.c:2357
do_read_cache_folio+0x263/0x5c0 mm/filemap.c:3817
read_mapping_folio include/linux/pagemap.h:1011 [inline]
read_part_sector+0xd4/0x310 block/partitions/core.c:722
adfspart_check_ICS+0x94/0x940 block/partitions/acorn.c:360
check_partition block/partitions/core.c:141 [inline]
blk_add_partitions block/partitions/core.c:589 [inline]
bdev_disk_changed+0x722/0x1520 block/partitions/core.c:693
blkdev_get_whole+0x187/0x290 block/bdev.c:706
bdev_open+0x2c7/0xe20 block/bdev.c:915
bdev_file_open_by_dev block/bdev.c:1017 [inline]
bdev_file_open_by_dev+0x17d/0x210 block/bdev.c:992
setup_bdev_super+0x78/0x730 fs/super.c:1554
get_tree_bdev_flags+0x365/0x620 fs/super.c:1634
vfs_get_tree+0x92/0x380 fs/super.c:1814
do_new_mount fs/namespace.c:3513 [inline]
path_mount+0x14e6/0x1f10 fs/namespace.c:3840
do_mount fs/namespace.c:3853 [inline]
__do_sys_mount fs/namespace.c:4063 [inline]
__se_sys_mount fs/namespace.c:4040 [inline]
__x64_sys_mount+0x294/0x320 fs/namespace.c:4040
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
-> #2 (&nsock->tx_lock){+.+.}-{4:4}:
__mutex_lock_common kernel/locking/mutex.c:585 [inline]
__mutex_lock+0x19b/0xa60 kernel/locking/mutex.c:735
nbd_handle_cmd drivers/block/nbd.c:1079 [inline]
nbd_queue_rq+0x424/0x1220 drivers/block/nbd.c:1143
blk_mq_dispatch_rq_list+0x446/0x1dc0 block/blk-mq.c:2118
__blk_mq_do_dispatch_sched block/blk-mq-sched.c:170 [inline]
blk_mq_do_dispatch_sched block/blk-mq-sched.c:184 [inline]
__blk_mq_sched_dispatch_requests+0xcdf/0x1620 block/blk-mq-sched.c:309
blk_mq_sched_dispatch_requests+0xd8/0x1b0 block/blk-mq-sched.c:331
blk_mq_run_hw_queue+0x239/0x670 block/blk-mq.c:2352
blk_mq_dispatch_plug_list block/blk-mq.c:2862 [inline]
blk_mq_flush_plug_list+0x673/0x1c60 block/blk-mq.c:2913
__blk_flush_plug+0x2c5/0x4b0 block/blk-core.c:1213
blk_finish_plug block/blk-core.c:1240 [inline]
blk_finish_plug block/blk-core.c:1237 [inline]
__submit_bio+0x439/0x540 block/blk-core.c:637
__submit_bio_noacct_mq block/blk-core.c:710 [inline]
submit_bio_noacct_nocheck+0x698/0xd70 block/blk-core.c:739
submit_bio_noacct+0x93a/0x1e20 block/blk-core.c:868
submit_bh fs/buffer.c:2819 [inline]
block_read_full_folio+0x812/0xa50 fs/buffer.c:2446
filemap_read_folio+0xc9/0x2a0 mm/filemap.c:2357
do_read_cache_folio+0x263/0x5c0 mm/filemap.c:3817
read_mapping_folio include/linux/pagemap.h:1011 [inline]
read_part_sector+0xd4/0x310 block/partitions/core.c:722
adfspart_check_ICS+0x94/0x940 block/partitions/acorn.c:360
check_partition block/partitions/core.c:141 [inline]
blk_add_partitions block/partitions/core.c:589 [inline]
bdev_disk_changed+0x722/0x1520 block/partitions/core.c:693
blkdev_get_whole+0x187/0x290 block/bdev.c:706
bdev_open+0x2c7/0xe20 block/bdev.c:915
bdev_file_open_by_dev block/bdev.c:1017 [inline]
bdev_file_open_by_dev+0x17d/0x210 block/bdev.c:992
setup_bdev_super+0x78/0x730 fs/super.c:1554
get_tree_bdev_flags+0x365/0x620 fs/super.c:1634
vfs_get_tree+0x92/0x380 fs/super.c:1814
do_new_mount fs/namespace.c:3513 [inline]
path_mount+0x14e6/0x1f10 fs/namespace.c:3840
do_mount fs/namespace.c:3853 [inline]
__do_sys_mount fs/namespace.c:4063 [inline]
__se_sys_mount fs/namespace.c:4040 [inline]
__x64_sys_mount+0x294/0x320 fs/namespace.c:4040
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
-> #1 (&cmd->lock){+.+.}-{4:4}:
__mutex_lock_common kernel/locking/mutex.c:585 [inline]
__mutex_lock+0x19b/0xa60 kernel/locking/mutex.c:735
nbd_queue_rq+0xbe/0x1220 drivers/block/nbd.c:1135
blk_mq_dispatch_rq_list+0x446/0x1dc0 block/blk-mq.c:2118
__blk_mq_do_dispatch_sched block/blk-mq-sched.c:170 [inline]
blk_mq_do_dispatch_sched block/blk-mq-sched.c:184 [inline]
__blk_mq_sched_dispatch_requests+0xcdf/0x1620 block/blk-mq-sched.c:309
blk_mq_sched_dispatch_requests+0xd8/0x1b0 block/blk-mq-sched.c:331
blk_mq_run_hw_queue+0x239/0x670 block/blk-mq.c:2352
blk_mq_dispatch_plug_list block/blk-mq.c:2862 [inline]
blk_mq_flush_plug_list+0x673/0x1c60 block/blk-mq.c:2913
__blk_flush_plug+0x2c5/0x4b0 block/blk-core.c:1213
blk_finish_plug block/blk-core.c:1240 [inline]
blk_finish_plug block/blk-core.c:1237 [inline]
__submit_bio+0x439/0x540 block/blk-core.c:637
__submit_bio_noacct_mq block/blk-core.c:710 [inline]
submit_bio_noacct_nocheck+0x698/0xd70 block/blk-core.c:739
submit_bio_noacct+0x93a/0x1e20 block/blk-core.c:868
submit_bh fs/buffer.c:2819 [inline]
block_read_full_folio+0x812/0xa50 fs/buffer.c:2446
filemap_read_folio+0xc9/0x2a0 mm/filemap.c:2357
do_read_cache_folio+0x263/0x5c0 mm/filemap.c:3817
read_mapping_folio include/linux/pagemap.h:1011 [inline]
read_part_sector+0xd4/0x310 block/partitions/core.c:722
adfspart_check_ICS+0x94/0x940 block/partitions/acorn.c:360
check_partition block/partitions/core.c:141 [inline]
blk_add_partitions block/partitions/core.c:589 [inline]
bdev_disk_changed+0x722/0x1520 block/partitions/core.c:693
blkdev_get_whole+0x187/0x290 block/bdev.c:706
bdev_open+0x2c7/0xe20 block/bdev.c:915
bdev_file_open_by_dev block/bdev.c:1017 [inline]
bdev_file_open_by_dev+0x17d/0x210 block/bdev.c:992
setup_bdev_super+0x78/0x730 fs/super.c:1554
get_tree_bdev_flags+0x365/0x620 fs/super.c:1634
vfs_get_tree+0x92/0x380 fs/super.c:1814
do_new_mount fs/namespace.c:3513 [inline]
path_mount+0x14e6/0x1f10 fs/namespace.c:3840
do_mount fs/namespace.c:3853 [inline]
__do_sys_mount fs/namespace.c:4063 [inline]
__se_sys_mount fs/namespace.c:4040 [inline]
__x64_sys_mount+0x294/0x320 fs/namespace.c:4040
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
-> #0 (set->srcu){.+.+}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3161 [inline]
check_prevs_add kernel/locking/lockdep.c:3280 [inline]
validate_chain kernel/locking/lockdep.c:3904 [inline]
__lock_acquire+0x249e/0x3c40 kernel/locking/lockdep.c:5226
lock_sync+0xf5/0x190 kernel/locking/lockdep.c:5897
srcu_lock_sync include/linux/srcu.h:170 [inline]
__synchronize_srcu+0xa9/0x2a0 kernel/rcu/srcutree.c:1418
blk_mq_wait_quiesce_done block/blk-mq.c:291 [inline]
blk_mq_wait_quiesce_done block/blk-mq.c:288 [inline]
blk_mq_quiesce_queue block/blk-mq.c:311 [inline]
blk_mq_quiesce_queue+0x149/0x1b0 block/blk-mq.c:306
elevator_disable+0x70/0x490 block/elevator.c:671
blk_mq_elv_switch_none block/blk-mq.c:4946 [inline]
__blk_mq_update_nr_hw_queues+0x3bb/0x14e0 block/blk-mq.c:5010
blk_mq_update_nr_hw_queues+0x2a/0x40 block/blk-mq.c:5070
nbd_start_device+0x15b/0xd70 drivers/block/nbd.c:1413
nbd_start_device_ioctl drivers/block/nbd.c:1464 [inline]
__nbd_ioctl drivers/block/nbd.c:1539 [inline]
nbd_ioctl+0x21a/0xfd0 drivers/block/nbd.c:1579
blkdev_ioctl+0x279/0x6d0 block/ioctl.c:693
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+0x193/0x200 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
other info that might help us debug this:
Chain exists of:
set->srcu --> &q->q_usage_counter(io)#52 --> &q->sysfs_lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&q->sysfs_lock);
lock(&q->q_usage_counter(io)#52);
lock(&q->sysfs_lock);
sync(set->srcu);
*** DEADLOCK ***
5 locks held by syz.3.878/10355:
#0: ffff888025b0a198 (&nbd->config_lock){+.+.}-{4:4}, at: nbd_ioctl+0x151/0xfd0 drivers/block/nbd.c:1572
#1: ffff888025b0a0d8 (&set->tag_list_lock){+.+.}-{4:4}, at: blk_mq_update_nr_hw_queues+0x20/0x40 block/blk-mq.c:5069
#2: ffff8881437827c8 (&q->q_usage_counter(io)#52){++++}-{0:0}, at: blk_mq_freeze_queue block/blk-mq.c:213 [inline]
#2: ffff8881437827c8 (&q->q_usage_counter(io)#52){++++}-{0:0}, at: __blk_mq_update_nr_hw_queues+0x1fc/0x14e0 block/blk-mq.c:5003
#3: ffff888143782800 (&q->q_usage_counter(queue)#36){+.+.}-{0:0}, at: blk_mq_freeze_queue block/blk-mq.c:213 [inline]
#3: ffff888143782800 (&q->q_usage_counter(queue)#36){+.+.}-{0:0}, at: __blk_mq_update_nr_hw_queues+0x1fc/0x14e0 block/blk-mq.c:5003
#4: ffff888143782cf8 (&q->sysfs_lock){+.+.}-{4:4}, at: blk_mq_elv_switch_none block/blk-mq.c:4932 [inline]
#4: ffff888143782cf8 (&q->sysfs_lock){+.+.}-{4:4}, at: __blk_mq_update_nr_hw_queues+0x446/0x14e0 block/blk-mq.c:5010
stack backtrace:
CPU: 0 UID: 0 PID: 10355 Comm: syz.3.878 Not tainted 6.13.0-rc6-syzkaller-00046-g0b7958fa05d5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
print_circular_bug+0x419/0x5d0 kernel/locking/lockdep.c:2074
check_noncircular+0x31a/0x400 kernel/locking/lockdep.c:2206
check_prev_add kernel/locking/lockdep.c:3161 [inline]
check_prevs_add kernel/locking/lockdep.c:3280 [inline]
validate_chain kernel/locking/lockdep.c:3904 [inline]
__lock_acquire+0x249e/0x3c40 kernel/locking/lockdep.c:5226
lock_sync+0xf5/0x190 kernel/locking/lockdep.c:5897
srcu_lock_sync include/linux/srcu.h:170 [inline]
__synchronize_srcu+0xa9/0x2a0 kernel/rcu/srcutree.c:1418
blk_mq_wait_quiesce_done block/blk-mq.c:291 [inline]
blk_mq_wait_quiesce_done block/blk-mq.c:288 [inline]
blk_mq_quiesce_queue block/blk-mq.c:311 [inline]
blk_mq_quiesce_queue+0x149/0x1b0 block/blk-mq.c:306
elevator_disable+0x70/0x490 block/elevator.c:671
blk_mq_elv_switch_none block/blk-mq.c:4946 [inline]
__blk_mq_update_nr_hw_queues+0x3bb/0x14e0 block/blk-mq.c:5010
blk_mq_update_nr_hw_queues+0x2a/0x40 block/blk-mq.c:5070
nbd_start_device+0x15b/0xd70 drivers/block/nbd.c:1413
nbd_start_device_ioctl drivers/block/nbd.c:1464 [inline]
__nbd_ioctl drivers/block/nbd.c:1539 [inline]
nbd_ioctl+0x21a/0xfd0 drivers/block/nbd.c:1579
blkdev_ioctl+0x279/0x6d0 block/ioctl.c:693
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+0x193/0x200 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: 0033:0x7fedddb85d29
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:00007fedde95e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fedddd76080 RCX: 00007fedddb85d29
RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
RBP: 00007fedddc01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fedddd76080 R15: 00007fff31ce2338
</TASK>