INFO: task udevd:5848 blocked for more than 143 seconds.
Not tainted 6.13.0-rc3-syzkaller-00762-g9268abe611b0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:21264 pid:5848 tgid:5848 ppid:5205 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
wait_for_reconnect drivers/block/nbd.c:1043 [inline]
nbd_handle_cmd drivers/block/nbd.c:1085 [inline]
nbd_queue_rq+0x7d9/0x2ef0 drivers/block/nbd.c:1143
blk_mq_dispatch_rq_list+0xad3/0x19d0 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+0xb8a/0x1840 block/blk-mq-sched.c:309
blk_mq_sched_dispatch_requests+0xd6/0x190 block/blk-mq-sched.c:331
blk_mq_run_hw_queue+0x354/0x500 block/blk-mq.c:2352
blk_mq_flush_plug_list+0x118e/0x1870 block/blk-mq.c:2913
__blk_flush_plug+0x420/0x500 block/blk-core.c:1213
blk_finish_plug block/blk-core.c:1240 [inline]
__submit_bio+0x46a/0x560 block/blk-core.c:637
__submit_bio_noacct_mq block/blk-core.c:710 [inline]
submit_bio_noacct_nocheck+0x4d3/0xe30 block/blk-core.c:739
submit_bh fs/buffer.c:2819 [inline]
block_read_full_folio+0x9b3/0xae0 fs/buffer.c:2446
filemap_read_folio+0x148/0x3b0 mm/filemap.c:2366
do_read_cache_folio+0x373/0x5b0 mm/filemap.c:3826
read_mapping_folio include/linux/pagemap.h:1011 [inline]
read_part_sector+0xb3/0x260 block/partitions/core.c:722
adfspart_check_ICS+0xd9/0x9a0 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+0x72c/0x13f0 block/partitions/core.c:693
blkdev_get_whole+0x2d2/0x450 block/bdev.c:707
bdev_open+0x2d4/0xc50 block/bdev.c:916
blkdev_open+0x389/0x4f0 block/fops.c:627
do_dentry_open+0xbe1/0x1b70 fs/open.c:945
vfs_open+0x3e/0x330 fs/open.c:1075
do_open fs/namei.c:3828 [inline]
path_openat+0x2c84/0x3590 fs/namei.c:3987
do_filp_open+0x27f/0x4e0 fs/namei.c:4014
do_sys_openat2+0x13e/0x1d0 fs/open.c:1402
do_sys_open fs/open.c:1417 [inline]
__do_sys_openat fs/open.c:1433 [inline]
__se_sys_openat fs/open.c:1428 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1428
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: 0033:0x7feb7e9169a4
RSP: 002b:00007ffe42ab9a10 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000055d49fd0cc40 RCX: 00007feb7e9169a4
RDX: 00000000000a0800 RSI: 000055d49fd0ba40 RDI: 00000000ffffff9c
RBP: 000055d49fd0ba40 R08: 0000000000000001 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
R13: 000055d49fcf08a0 R14: 0000000000000001 R15: 000055d49fce7910
INFO: task udevd:6400 blocked for more than 144 seconds.
Not tainted 6.13.0-rc3-syzkaller-00762-g9268abe611b0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:21264 pid:6400 tgid:6400 ppid:5205 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
wait_for_reconnect drivers/block/nbd.c:1043 [inline]
nbd_handle_cmd drivers/block/nbd.c:1085 [inline]
nbd_queue_rq+0x7d9/0x2ef0 drivers/block/nbd.c:1143
blk_mq_dispatch_rq_list+0xad3/0x19d0 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+0xb8a/0x1840 block/blk-mq-sched.c:309
blk_mq_sched_dispatch_requests+0xd6/0x190 block/blk-mq-sched.c:331
blk_mq_run_hw_queue+0x354/0x500 block/blk-mq.c:2352
blk_mq_flush_plug_list+0x118e/0x1870 block/blk-mq.c:2913
__blk_flush_plug+0x420/0x500 block/blk-core.c:1213
blk_finish_plug block/blk-core.c:1240 [inline]
__submit_bio+0x46a/0x560 block/blk-core.c:637
__submit_bio_noacct_mq block/blk-core.c:710 [inline]
submit_bio_noacct_nocheck+0x4d3/0xe30 block/blk-core.c:739
submit_bh fs/buffer.c:2819 [inline]
block_read_full_folio+0x9b3/0xae0 fs/buffer.c:2446
filemap_read_folio+0x148/0x3b0 mm/filemap.c:2366
do_read_cache_folio+0x373/0x5b0 mm/filemap.c:3826
read_mapping_folio include/linux/pagemap.h:1011 [inline]
read_part_sector+0xb3/0x260 block/partitions/core.c:722
adfspart_check_ICS+0xd9/0x9a0 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+0x72c/0x13f0 block/partitions/core.c:693
blkdev_get_whole+0x2d2/0x450 block/bdev.c:707
bdev_open+0x2d4/0xc50 block/bdev.c:916
blkdev_open+0x389/0x4f0 block/fops.c:627
do_dentry_open+0xbe1/0x1b70 fs/open.c:945
vfs_open+0x3e/0x330 fs/open.c:1075
do_open fs/namei.c:3828 [inline]
path_openat+0x2c84/0x3590 fs/namei.c:3987
do_filp_open+0x27f/0x4e0 fs/namei.c:4014
do_sys_openat2+0x13e/0x1d0 fs/open.c:1402
do_sys_open fs/open.c:1417 [inline]
__do_sys_openat fs/open.c:1433 [inline]
__se_sys_openat fs/open.c:1428 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1428
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: 0033:0x7feb7e9169a4
RSP: 002b:00007ffe42ab9a10 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000055d49fd13ae0 RCX: 00007feb7e9169a4
RDX: 00000000000a0800 RSI: 000055d49fce85f0 RDI: 00000000ffffff9c
RBP: 000055d49fce85f0 R08: 0000000000000001 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
R13: 000055d49fcf2ce0 R14: 0000000000000001 R15: 000055d49fce7910
INFO: task udevd:7127 blocked for more than 144 seconds.
Not tainted 6.13.0-rc3-syzkaller-00762-g9268abe611b0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:22416 pid:7127 tgid:7127 ppid:5205 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
wait_for_reconnect drivers/block/nbd.c:1043 [inline]
nbd_handle_cmd drivers/block/nbd.c:1085 [inline]
nbd_queue_rq+0x7d9/0x2ef0 drivers/block/nbd.c:1143
blk_mq_dispatch_rq_list+0xad3/0x19d0 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+0xb8a/0x1840 block/blk-mq-sched.c:309
blk_mq_sched_dispatch_requests+0xd6/0x190 block/blk-mq-sched.c:331
blk_mq_run_hw_queue+0x354/0x500 block/blk-mq.c:2352
blk_mq_flush_plug_list+0x118e/0x1870 block/blk-mq.c:2913
__blk_flush_plug+0x420/0x500 block/blk-core.c:1213
blk_finish_plug block/blk-core.c:1240 [inline]
__submit_bio+0x46a/0x560 block/blk-core.c:637
__submit_bio_noacct_mq block/blk-core.c:710 [inline]
submit_bio_noacct_nocheck+0x4d3/0xe30 block/blk-core.c:739
submit_bh fs/buffer.c:2819 [inline]
block_read_full_folio+0x9b3/0xae0 fs/buffer.c:2446
filemap_read_folio+0x148/0x3b0 mm/filemap.c:2366
do_read_cache_folio+0x373/0x5b0 mm/filemap.c:3826
read_mapping_folio include/linux/pagemap.h:1011 [inline]
read_part_sector+0xb3/0x260 block/partitions/core.c:722
adfspart_check_ICS+0xd9/0x9a0 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+0x72c/0x13f0 block/partitions/core.c:693
blkdev_get_whole+0x2d2/0x450 block/bdev.c:707
bdev_open+0x2d4/0xc50 block/bdev.c:916
blkdev_open+0x389/0x4f0 block/fops.c:627
do_dentry_open+0xbe1/0x1b70 fs/open.c:945
vfs_open+0x3e/0x330 fs/open.c:1075
do_open fs/namei.c:3828 [inline]
path_openat+0x2c84/0x3590 fs/namei.c:3987
do_filp_open+0x27f/0x4e0 fs/namei.c:4014
do_sys_openat2+0x13e/0x1d0 fs/open.c:1402
do_sys_open fs/open.c:1417 [inline]
__do_sys_openat fs/open.c:1433 [inline]
__se_sys_openat fs/open.c:1428 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1428
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: 0033:0x7feb7e9169a4
RSP: 002b:00007ffe42ab9a10 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000055d49fd0d4c0 RCX: 00007feb7e9169a4
RDX: 00000000000a0800 RSI: 000055d49fce8300 RDI: 00000000ffffff9c
RBP: 000055d49fce8300 R08: 0000000000000001 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
R13: 000055d49fcf08a0 R14: 0000000000000001 R15: 000055d49fce7910
INFO: task udevd:7336 blocked for more than 145 seconds.
Not tainted 6.13.0-rc3-syzkaller-00762-g9268abe611b0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:22416 pid:7336 tgid:7336 ppid:5205 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
wait_for_reconnect drivers/block/nbd.c:1043 [inline]
nbd_handle_cmd drivers/block/nbd.c:1085 [inline]
nbd_queue_rq+0x7d9/0x2ef0 drivers/block/nbd.c:1143
blk_mq_dispatch_rq_list+0xad3/0x19d0 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+0xb8a/0x1840 block/blk-mq-sched.c:309
blk_mq_sched_dispatch_requests+0xd6/0x190 block/blk-mq-sched.c:331
blk_mq_run_hw_queue+0x354/0x500 block/blk-mq.c:2352
blk_mq_flush_plug_list+0x118e/0x1870 block/blk-mq.c:2913
__blk_flush_plug+0x420/0x500 block/blk-core.c:1213
blk_finish_plug block/blk-core.c:1240 [inline]
__submit_bio+0x46a/0x560 block/blk-core.c:637
__submit_bio_noacct_mq block/blk-core.c:710 [inline]
submit_bio_noacct_nocheck+0x4d3/0xe30 block/blk-core.c:739
submit_bh fs/buffer.c:2819 [inline]
block_read_full_folio+0x9b3/0xae0 fs/buffer.c:2446
filemap_read_folio+0x148/0x3b0 mm/filemap.c:2366
do_read_cache_folio+0x373/0x5b0 mm/filemap.c:3826
read_mapping_folio include/linux/pagemap.h:1011 [inline]
read_part_sector+0xb3/0x260 block/partitions/core.c:722
adfspart_check_ICS+0xd9/0x9a0 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+0x72c/0x13f0 block/partitions/core.c:693
blkdev_get_whole+0x2d2/0x450 block/bdev.c:707
bdev_open+0x2d4/0xc50 block/bdev.c:916
blkdev_open+0x389/0x4f0 block/fops.c:627
do_dentry_open+0xbe1/0x1b70 fs/open.c:945
vfs_open+0x3e/0x330 fs/open.c:1075
do_open fs/namei.c:3828 [inline]
path_openat+0x2c84/0x3590 fs/namei.c:3987
do_filp_open+0x27f/0x4e0 fs/namei.c:4014
do_sys_openat2+0x13e/0x1d0 fs/open.c:1402
do_sys_open fs/open.c:1417 [inline]
__do_sys_openat fs/open.c:1433 [inline]
__se_sys_openat fs/open.c:1428 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1428
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: 0033:0x7feb7e9169a4
RSP: 002b:00007ffe42ab9a10 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000055d49fce7500 RCX: 00007feb7e9169a4
RDX: 00000000000a0800 RSI: 000055d49fd000a0 RDI: 00000000ffffff9c
RBP: 000055d49fd000a0 R08: 0000000000000001 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
R13: 000055d49fcf08a0 R14: 0000000000000001 R15: 000055d49fce7910
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc3-syzkaller-00762-g9268abe611b0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline]
watchdog+0xff6/0x1040 kernel/hung_task.c:397
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 25 Comm: kworker/1:0 Not tainted 6.13.0-rc3-syzkaller-00762-g9268abe611b0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_power_efficient wg_ratelimiter_gc_entries
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:19 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:87 [inline]
RIP: 0010:__might_resched+0x18e/0x780 kernel/sched/core.c:8722
Code: 87 04 00 00 41 8b 45 00 c1 e0 08 01 d8 44 39 e0 0f 85 d6 00 00 00 44 89 64 24 1c 48 8d bc 24 a0 00 00 00 48 89 fb 48 c1 eb 03 <80> 3c 13 00 74 31 48 8d bc 24 a0 00 00 00 45 89 f4 4d 89 ee 49 89
RSP: 0018:ffffc900001f7a40 EFLAGS: 00000a06
RAX: 0000000000000000 RBX: 1ffff9200003ef5c RCX: dffffc0000000000
RDX: dffffc0000000000 RSI: ffff88801d2f9e00 RDI: ffffc900001f7ae0
RBP: ffffc900001f7b58 R08: ffffffff8f437563 R09: 1ffffffff1e86eac
R10: dffffc0000000000 R11: fffffbfff1e86ead R12: 0000000000000000
R13: ffff88801d2fa244 R14: 000000000000004e R15: 1ffff9200003ef50
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d4a0522018 CR3: 0000000034256000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
wg_ratelimiter_gc_entries+0x3cd/0x470 drivers/net/wireguard/ratelimiter.c:78
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244