INFO: task syz-executor.3:14469 blocked for more than 143 seconds.
Not tainted 6.6.0-rc1-syzkaller-00033-g3669558bdf35 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:29120 pid:14469 ppid:5078 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
blkdev_get_by_dev.part.0+0x4f0/0xb20 block/bdev.c:786
blkdev_get_by_dev+0x75/0x80 block/bdev.c:829
blkdev_open+0x112/0x380 block/fops.c:589
do_dentry_open+0x88b/0x1730 fs/open.c:929
do_open fs/namei.c:3639 [inline]
path_openat+0x19af/0x29c0 fs/namei.c:3796
do_filp_open+0x1de/0x430 fs/namei.c:3823
do_sys_openat2+0x176/0x1e0 fs/open.c:1422
do_sys_open fs/open.c:1437 [inline]
__do_sys_openat fs/open.c:1453 [inline]
__se_sys_openat fs/open.c:1448 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1448
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f669947cae9
RSP: 002b:00007f6697ffe0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f669959bf80 RCX: 00007f669947cae9
RDX: 0000000000000002 RSI: 0000000020001000 RDI: ffffffffffffff9c
RBP: 00007f66994c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f669959bf80 R15: 00007ffdf035e4e8
INFO: task syz-executor.3:14470 blocked for more than 144 seconds.
Not tainted 6.6.0-rc1-syzkaller-00033-g3669558bdf35 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:29120 pid:14470 ppid:5078 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
blkdev_get_by_dev.part.0+0x4f0/0xb20 block/bdev.c:786
blkdev_get_by_dev+0x75/0x80 block/bdev.c:829
blkdev_open+0x112/0x380 block/fops.c:589
do_dentry_open+0x88b/0x1730 fs/open.c:929
do_open fs/namei.c:3639 [inline]
path_openat+0x19af/0x29c0 fs/namei.c:3796
do_filp_open+0x1de/0x430 fs/namei.c:3823
do_sys_openat2+0x176/0x1e0 fs/open.c:1422
do_sys_open fs/open.c:1437 [inline]
__do_sys_openat fs/open.c:1453 [inline]
__se_sys_openat fs/open.c:1448 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1448
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f669947cae9
RSP: 002b:00007f6697fdd0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f669959c050 RCX: 00007f669947cae9
RDX: 0000000000000000 RSI: 0000000020001000 RDI: ffffffffffffff9c
RBP: 00007f66994c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f669959c050 R15: 00007ffdf035e4e8
INFO: task syz-executor.2:14466 blocked for more than 144 seconds.
Not tainted 6.6.0-rc1-syzkaller-00033-g3669558bdf35 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:27136 pid:14466 ppid:5073 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
blkdev_put+0xb0/0x8e0 block/bdev.c:884
blkdev_release+0x82/0xa0 block/fops.c:604
__fput+0x3f7/0xa70 fs/file_table.c:384
__fput_sync+0x47/0x50 fs/file_table.c:465
__do_sys_close fs/open.c:1572 [inline]
__se_sys_close fs/open.c:1557 [inline]
__x64_sys_close+0x87/0xf0 fs/open.c:1557
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fda98a7b9da
RSP: 002b:00007ffc32498230 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fda98a7b9da
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007fda98b9d980 R08: 0000001b30360000 R09: 0000000000000001
R10: 00007ffc324e3080 R11: 0000000000000293 R12: 00000000000f82d0
R13: ffffffffffffffff R14: 00007fda98600000 R15: 00000000000f7f8f
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc1-syzkaller-00033-g3669558bdf35 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x277/0x380 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x299/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xfac/0x1230 kernel/hung_task.c:379
kthread+0x33a/0x430 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 14467 Comm: syz-executor.2 Not tainted 6.6.0-rc1-syzkaller-00033-g3669558bdf35 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x8/0x20 kernel/kcov.c:304
Code: 00 00 f3 0f 1e fa 48 8b 0c 24 0f b7 d6 0f b7 f7 bf 03 00 00 00 e9 b8 fe ff ff 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 48 8b 0c 24 <89> f2 89 fe bf 05 00 00 00 e9 9a fe ff ff 66 2e 0f 1f 84 00 00 00
RSP: 0018:ffffc900164e76e8 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81b97d04
RDX: ffff88801a6c9dc0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffea000101b600 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 1ffff11014dcc8e1 R12: 0000000000000000
R13: 0000000000000002 R14: ffffea000101b600 R15: 0000000000000000
FS: 00007fda9983f6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555556d1d938 CR3: 0000000020491000 CR4: 0000000000350ef0
Call Trace:
folio_flags+0x64/0x1f0 include/linux/page-flags.h:314
folio_test_unevictable include/linux/page-flags.h:552 [inline]
lru_gen_del_folio.constprop.0+0x113/0xaa0 include/linux/mm_inline.h:275
lruvec_del_folio include/linux/mm_inline.h:345 [inline]
release_pages+0x875/0x14e0 mm/swap.c:1020
__folio_batch_release+0x77/0xe0 mm/swap.c:1062
folio_batch_release include/linux/pagevec.h:83 [inline]
mapping_try_invalidate+0x39a/0x480 mm/truncate.c:535
invalidate_bdev+0xb1/0xd0 block/bdev.c:87
bdev_disk_changed+0x219/0x1560 block/partitions/core.c:664
blkdev_get_whole+0x182/0x2c0 block/bdev.c:653
blkdev_get_by_dev.part.0+0x211/0xb20 block/bdev.c:795
blkdev_get_by_dev+0x75/0x80 block/bdev.c:829
disk_scan_partitions+0x1e9/0x320 block/genhd.c:369
blkdev_common_ioctl+0x616/0x1ce0 block/ioctl.c:555
blkdev_ioctl+0x249/0x770 block/ioctl.c:624
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:871 [inline]
__se_sys_ioctl fs/ioctl.c:857 [inline]
__x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fda98a7cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fda9983f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fda98b9bf80 RCX: 00007fda98a7cae9
RDX: 0000000000000000 RSI: 000000000000125f RDI: 0000000000000006
RBP: 00007fda98ac847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fda98b9bf80 R15: 00007ffc32498168