INFO: task jbd2/sda1-8:2930 blocked for more than 143 seconds.
Not tainted 5.17.0-rc5-syzkaller-00277-g2c8c230edab5 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jbd2/sda1-8 state:D stack:23536 pid: 2930 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0x926/0x1080 kernel/sched/core.c:6304
schedule+0x12b/0x1f0 kernel/sched/core.c:6377
io_schedule+0x83/0x100 kernel/sched/core.c:8416
bit_wait_io+0xe/0xc0 kernel/sched/wait_bit.c:209
__wait_on_bit+0xbd/0x190 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0x1d2/0x250 kernel/sched/wait_bit.c:64
wait_on_buffer include/linux/buffer_head.h:356 [inline]
jbd2_journal_commit_transaction+0x350d/0x5ad0 fs/jbd2/commit.c:845
kjournald2+0x4b4/0x940 fs/jbd2/journal.c:213
kthread+0x2a3/0x2d0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30
INFO: task syz-executor.2:3626 blocked for more than 143 seconds.
Not tainted 5.17.0-rc5-syzkaller-00277-g2c8c230edab5 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:20208 pid: 3626 ppid: 1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0x926/0x1080 kernel/sched/core.c:6304
schedule+0x12b/0x1f0 kernel/sched/core.c:6377
io_schedule+0x83/0x100 kernel/sched/core.c:8416
bit_wait_io+0xe/0xc0 kernel/sched/wait_bit.c:209
__wait_on_bit+0xbd/0x190 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0x1d2/0x250 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:101 [inline]
do_get_write_access+0x12e/0xc20 fs/jbd2/transaction.c:1109
jbd2_journal_get_write_access+0x108/0x140 fs/jbd2/transaction.c:1244
__ext4_journal_get_write_access+0x259/0x6b0 fs/ext4/ext4_jbd2.c:235
ext4_reserve_inode_write+0x280/0x380 fs/ext4/inode.c:5699
__ext4_mark_inode_dirty+0x13b/0x720 fs/ext4/inode.c:5865
ext4_dirty_inode+0xbe/0x100 fs/ext4/inode.c:5902
__mark_inode_dirty+0xb6/0x8f0 fs/fs-writeback.c:2409
generic_update_time fs/inode.c:1856 [inline]
inode_update_time fs/inode.c:1869 [inline]
touch_atime+0x3ef/0x650 fs/inode.c:1941
file_accessed include/linux/fs.h:2421 [inline]
iterate_dir+0x552/0x640 fs/readdir.c:70
__do_sys_getdents64 fs/readdir.c:369 [inline]
__se_sys_getdents64+0x1ea/0x4e0 fs/readdir.c:354
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f78437a2e57
RSP: 002b:00007ffcfb8edee8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 000055555583f810 RCX: 00007f78437a2e57
RDX: 0000000000008000 RSI: 000055555583f840 RDI: 0000000000000003
RBP: 000055555583f840 R08: 0000000000000030 R09: 00007f7843864640
R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffb8
R13: 000055555583f814 R14: 0000000000000016 R15: 00007ffcfb8ef0e0
INFO: task syz-executor.5:3628 blocked for more than 143 seconds.
Not tainted 5.17.0-rc5-syzkaller-00277-g2c8c230edab5 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:19696 pid: 3628 ppid: 1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0x926/0x1080 kernel/sched/core.c:6304
schedule+0x12b/0x1f0 kernel/sched/core.c:6377
io_schedule+0x83/0x100 kernel/sched/core.c:8416
bit_wait_io+0xe/0xc0 kernel/sched/wait_bit.c:209
__wait_on_bit+0xbd/0x190 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0x1d2/0x250 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:101 [inline]
do_get_write_access+0x12e/0xc20 fs/jbd2/transaction.c:1109
jbd2_journal_get_write_access+0x108/0x140 fs/jbd2/transaction.c:1244
__ext4_journal_get_write_access+0x259/0x6b0 fs/ext4/ext4_jbd2.c:235
ext4_reserve_inode_write+0x280/0x380 fs/ext4/inode.c:5699
__ext4_mark_inode_dirty+0x13b/0x720 fs/ext4/inode.c:5865
ext4_dirty_inode+0xbe/0x100 fs/ext4/inode.c:5902
__mark_inode_dirty+0xb6/0x8f0 fs/fs-writeback.c:2409
generic_update_time fs/inode.c:1856 [inline]
inode_update_time fs/inode.c:1869 [inline]
touch_atime+0x3ef/0x650 fs/inode.c:1941
file_accessed include/linux/fs.h:2421 [inline]
iterate_dir+0x552/0x640 fs/readdir.c:70
__do_sys_getdents64 fs/readdir.c:369 [inline]
__se_sys_getdents64+0x1ea/0x4e0 fs/readdir.c:354
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f34a6e18e57
RSP: 002b:00007fff07973098 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 00005555570bb810 RCX: 00007f34a6e18e57
RDX: 0000000000008000 RSI: 00005555570bb840 RDI: 0000000000000003
RBP: 00005555570bb840 R08: 0000000000000030 R09: 00007f34a6eda640
R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffb8
R13: 00005555570bb814 R14: 0000000000000016 R15: 00007fff07974290
INFO: task syz-executor.0:26628 blocked for more than 144 seconds.
Not tainted 5.17.0-rc5-syzkaller-00277-g2c8c230edab5 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:22928 pid:26628 ppid: 3625 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0x926/0x1080 kernel/sched/core.c:6304
schedule+0x12b/0x1f0 kernel/sched/core.c:6377
jbd2_log_wait_commit+0x2c5/0x500 fs/jbd2/journal.c:712
ext4_fc_commit+0x1ff/0x2640
ext4_fsync_journal fs/ext4/fsync.c:115 [inline]
ext4_sync_file+0x4d8/0x860 fs/ext4/fsync.c:174
generic_write_sync include/linux/fs.h:2884 [inline]
iomap_dio_complete+0x49a/0x6f0 fs/iomap/direct-io.c:117
ext4_dio_write_iter fs/ext4/file.c:564 [inline]
ext4_file_write_iter+0x17ba/0x1bb0 fs/ext4/file.c:675
do_iter_readv_writev+0x54f/0x740
do_iter_write+0x21e/0x7b0 fs/read_write.c:851
iter_file_splice_write+0x7eb/0xfa0 fs/splice.c:689
do_splice_from fs/splice.c:767 [inline]
direct_splice_actor+0xe6/0x1c0 fs/splice.c:936
splice_direct_to_actor+0x529/0xd00 fs/splice.c:891
do_splice_direct+0x291/0x3e0 fs/splice.c:979
do_sendfile+0x6fe/0x1040 fs/read_write.c:1245
__do_sys_sendfile64 fs/read_write.c:1310 [inline]
__se_sys_sendfile64+0x171/0x1d0 fs/read_write.c:1296
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fc023de7049
RSP: 002b:00007fc02275c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fc023ef9f60 RCX: 00007fc023de7049
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 00007fc023e4108d R08: 0000000000000000 R09: 0000000000000000
R10: 000000008000000f R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd2f28278f R14: 00007fc02275c300 R15: 0000000000022000
INFO: task syz-executor.3:26632 blocked for more than 144 seconds.
Not tainted 5.17.0-rc5-syzkaller-00277-g2c8c230edab5 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:26928 pid:26632 ppid: 3623 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0x926/0x1080 kernel/sched/core.c:6304
schedule+0x12b/0x1f0 kernel/sched/core.c:6377
io_schedule+0x83/0x100 kernel/sched/core.c:8416
bit_wait_io+0xe/0xc0 kernel/sched/wait_bit.c:209
__wait_on_bit+0xbd/0x190 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0x1d2/0x250 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:101 [inline]
do_get_write_access+0x12e/0xc20 fs/jbd2/transaction.c:1109
jbd2_journal_get_write_access+0x108/0x140 fs/jbd2/transaction.c:1244
__ext4_journal_get_write_access+0x259/0x6b0 fs/ext4/ext4_jbd2.c:235
__ext4_new_inode+0x1463/0x5740 fs/ext4/ialloc.c:1090
ext4_symlink+0x4e1/0xfa0 fs/ext4/namei.c:3293
vfs_symlink+0x246/0x3d0 fs/namei.c:4299
do_symlinkat+0x22c/0x650 fs/namei.c:4328
__do_sys_symlink fs/namei.c:4350 [inline]
__se_sys_symlink fs/namei.c:4348 [inline]
__x64_sys_symlink+0x7a/0x90 fs/namei.c:4348
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fe38bd1e957
RSP: 002b:00007ffea93658f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe38bd1e957
RDX: 00007ffea93659d7 RSI: 00007fe38bd79139 RDI: 00007ffea93659c0
RBP: 0000000000000000 R08: 0000000000000620 R09: 00007ffea9365790
R10: 00007ffea9365647 R11: 0000000000000202 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffea93659c0
INFO: task syz-executor.1:26638 blocked for more than 145 seconds.
Not tainted 5.17.0-rc5-syzkaller-00277-g2c8c230edab5 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:27824 pid:26638 ppid: 5543 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0x926/0x1080 kernel/sched/core.c:6304
schedule+0x12b/0x1f0 kernel/sched/core.c:6377
io_schedule+0x83/0x100 kernel/sched/core.c:8416
bit_wait_io+0xe/0xc0 kernel/sched/wait_bit.c:209
__wait_on_bit+0xbd/0x190 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0x1d2/0x250 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:101 [inline]
do_get_write_access+0x12e/0xc20 fs/jbd2/transaction.c:1109
jbd2_journal_get_write_access+0x108/0x140 fs/jbd2/transaction.c:1244
__ext4_journal_get_write_access+0x259/0x6b0 fs/ext4/ext4_jbd2.c:235
__ext4_new_inode+0x1463/0x5740 fs/ext4/ialloc.c:1090
ext4_symlink+0x4e1/0xfa0 fs/ext4/namei.c:3293
vfs_symlink+0x246/0x3d0 fs/namei.c:4299
do_symlinkat+0x22c/0x650 fs/namei.c:4328
__do_sys_symlink fs/namei.c:4350 [inline]
__se_sys_symlink fs/namei.c:4348 [inline]
__x64_sys_symlink+0x7a/0x90 fs/namei.c:4348
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fc6e4a91957
RSP: 002b:00007fff893655e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc6e4a91957
RDX: 00007fff893656c7 RSI: 00007fc6e4aec139 RDI: 00007fff893656b0
RBP: 0000000000000000 R08: 0000000000000620 R09: 00007fff89365480
R10: 00007fff89365337 R11: 0000000000000206 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007fff893656b0
INFO: task syz-executor.4:26639 blocked for more than 145 seconds.
Not tainted 5.17.0-rc5-syzkaller-00277-g2c8c230edab5 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:27824 pid:26639 ppid: 3627 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0x926/0x1080 kernel/sched/core.c:6304
schedule+0x12b/0x1f0 kernel/sched/core.c:6377
io_schedule+0x83/0x100 kernel/sched/core.c:8416
bit_wait_io+0xe/0xc0 kernel/sched/wait_bit.c:209
__wait_on_bit+0xbd/0x190 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0x1d2/0x250 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:101 [inline]
do_get_write_access+0x12e/0xc20 fs/jbd2/transaction.c:1109
jbd2_journal_get_write_access+0x108/0x140 fs/jbd2/transaction.c:1244
__ext4_journal_get_write_access+0x259/0x6b0 fs/ext4/ext4_jbd2.c:235
__ext4_new_inode+0x1463/0x5740 fs/ext4/ialloc.c:1090
ext4_symlink+0x4e1/0xfa0 fs/ext4/namei.c:3293
vfs_symlink+0x246/0x3d0 fs/namei.c:4299
do_symlinkat+0x22c/0x650 fs/namei.c:4328
__do_sys_symlink fs/namei.c:4350 [inline]
__se_sys_symlink fs/namei.c:4348 [inline]
__x64_sys_symlink+0x7a/0x90 fs/namei.c:4348
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fe378779957
RSP: 002b:00007ffd2cfd46e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe378779957
RDX: 00007ffd2cfd47c7 RSI: 00007fe3787d4139 RDI: 00007ffd2cfd47b0
RBP: 0000000000000000 R08: 0000000000000620 R09: 00007ffd2cfd4580
R10: 00007ffd2cfd4437 R11: 0000000000000206 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffd2cfd47b0
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8cd1d460 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/3274:
#0: ffff888024386098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc90002b662e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6c5/0x1c60 drivers/tty/n_tty.c:2075
3 locks held by syz-executor.2/3626:
#0: ffff888031a13fc0 (&type->i_mutex_dir_key#4){++++}-{3:3}, at: iterate_dir+0x124/0x640 fs/readdir.c:55
#1: ffff88814b430460 (sb_writers#5){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2421 [inline]
#1: ffff88814b430460 (sb_writers#5){.+.+}-{0:0}, at: iterate_dir+0x552/0x640 fs/readdir.c:70
#2: ffff88814b434990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x136d/0x1630 fs/jbd2/transaction.c:466
3 locks held by syz-executor.5/3628:
#0: ffff888029fd3fc0 (&type->i_mutex_dir_key#4){++++}-{3:3}, at: iterate_dir+0x124/0x640 fs/readdir.c:55
#1: ffff88814b430460 (sb_writers#5){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2421 [inline]
#1: ffff88814b430460 (sb_writers#5){.+.+}-{0:0}, at: iterate_dir+0x552/0x640 fs/readdir.c:70
#2: ffff88814b434990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x136d/0x1630 fs/jbd2/transaction.c:466
2 locks held by syz-executor.0/26628:
#0: ffff88814b430460 (sb_writers#5){.+.+}-{0:0}, at: do_sendfile+0x6db/0x1040 fs/read_write.c:1244
#1: ffff88802c4a8de8 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:777 [inline]
#1: ffff88802c4a8de8 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: ext4_dio_write_iter fs/ext4/file.c:508 [inline]
#1: ffff88802c4a8de8 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: ext4_file_write_iter+0x831/0x1bb0 fs/ext4/file.c:675
3 locks held by syz-executor.3/26632:
#0: ffff88814b430460 (sb_writers#5){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:377
#1: ffff88802c4aa1d8 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:812 [inline]
#1: ffff88802c4aa1d8 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: filename_create+0x1da/0x4e0 fs/namei.c:3704
#2: ffff88814b434990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x136d/0x1630 fs/jbd2/transaction.c:466
3 locks held by syz-executor.1/26638:
#0: ffff88814b430460 (sb_writers#5){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:377
#1: ffff88802c79abd0 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:812 [inline]
#1: ffff88802c79abd0 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: filename_create+0x1da/0x4e0 fs/namei.c:3704
#2: ffff88814b434990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x136d/0x1630 fs/jbd2/transaction.c:466
3 locks held by syz-executor.4/26639:
#0: ffff88814b430460 (sb_writers#5){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:377
#1: ffff888031be3fc0 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:812 [inline]
#1: ffff888031be3fc0 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: filename_create+0x1da/0x4e0 fs/namei.c:3704
#2: ffff88814b434990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x136d/0x1630 fs/jbd2/transaction.c:466
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.17.0-rc5-syzkaller-00277-g2c8c230edab5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1dc/0x2d8 lib/dump_stack.c:106
nmi_cpu_backtrace+0x45f/0x490 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x16a/0x280 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
watchdog+0xc82/0xcd0 kernel/hung_task.c:369
kthread+0x2a3/0x2d0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 17758 Comm: kworker/u4:10 Not tainted 5.17.0-rc5-syzkaller-00277-g2c8c230edab5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy13 ieee80211_iface_work
RIP: 0010:check_preemption_disabled+0x3/0x1c0 lib/smp_processor_id.c:13
Code: cc cc cc cc cc cc cc 0f 1f 44 00 00 48 c7 c7 a0 73 f6 8a 48 c7 c6 e0 73 f6 8a eb 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 41 57 <41> 56 41 55 41 54 53 48 83 ec 10 49 89 f6 49 89 ff 65 48 8b 04 25
RSP: 0018:ffffc9000525f938 EFLAGS: 00000002
RAX: 0000000000000005 RBX: 0000000000000002 RCX: ffffffff90dfd803
RDX: 0000000000000000 RSI: ffffffff8af673e0 RDI: ffffffff8af673a0
RBP: ffffc9000525fa90 R08: dffffc0000000000 R09: 0000000000000003
R10: fffff52000a4bf3d R11: 0000000000000004 R12: ffff88801d968ad4
R13: ffff88801d968a58 R14: ffff8880b9b39798 R15: 1ffff11003b2d14b
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c029a18080 CR3: 000000001a641000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
prandom_u32+0x22/0x260 lib/random32.c:387
__lock_pin_lock kernel/locking/lockdep.c:5409 [inline]
lock_pin_lock+0x23e/0x430 kernel/locking/lockdep.c:5703
rq_pin_lock kernel/sched/sched.h:1539 [inline]
rq_lock kernel/sched/sched.h:1617 [inline]
ttwu_queue+0x13e/0x320 kernel/sched/core.c:3808
try_to_wake_up+0x6e9/0xc70 kernel/sched/core.c:4133
wake_up_worker kernel/workqueue.c:852 [inline]
process_one_work+0x71e/0x1190 kernel/workqueue.c:2270
worker_thread+0xab1/0x1300 kernel/workqueue.c:2454
kthread+0x2a3/0x2d0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30
----------------
Code disassembly (best guess):
0: cc int3
1: cc int3
2: cc int3
3: cc int3
4: cc int3
5: cc int3
6: cc int3
7: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
c: 48 c7 c7 a0 73 f6 8a mov $0xffffffff8af673a0,%rdi
13: 48 c7 c6 e0 73 f6 8a mov $0xffffffff8af673e0,%rsi
1a: eb 0b jmp 0x27
1c: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1)
23: 00 00 00
26: 90 nop
27: 55 push %rbp
28: 41 57 push %r15
* 2a: 41 56 push %r14 <-- trapping instruction
2c: 41 55 push %r13
2e: 41 54 push %r12
30: 53 push %rbx
31: 48 83 ec 10 sub $0x10,%rsp
35: 49 89 f6 mov %rsi,%r14
38: 49 89 ff mov %rdi,%r15
3b: 65 gs
3c: 48 rex.W
3d: 8b .byte 0x8b
3e: 04 25 add $0x25,%al