INFO: task syz-executor190:5860 blocked for more than 143 seconds.
Not tainted 6.13.0-rc3-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor190 state:D stack:27920 pid:5860 tgid:5845 ppid:5841 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x17fb/0x4be0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176
__down_write_common kernel/locking/rwsem.c:1304 [inline]
__down_write kernel/locking/rwsem.c:1313 [inline]
down_write+0x1d7/0x220 kernel/locking/rwsem.c:1578
inode_lock include/linux/fs.h:818 [inline]
open_last_lookups fs/namei.c:3745 [inline]
path_openat+0x89a/0x3590 fs/namei.c:3984
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: 0033:0x7f38b9113bc9
RSP: 002b:00007f38b90a9218 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f38b91a56b8 RCX: 00007f38b9113bc9
RDX: 000000000000275a RSI: 0000000020000040 RDI: 00000000ffffff9c
RBP: 00007f38b91a56b0 R08: 00007ffd5e2d1847 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f38b91a56bc
R13: 00007f38b91680c0 R14: 746174732e757063 R15: 0031656c69662f2e
INFO: task syz-executor190:5858 blocked for more than 144 seconds.
Not tainted 6.13.0-rc3-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor190 state:D stack:27920 pid:5858 tgid:5846 ppid:5840 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x17fb/0x4be0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176
__down_write_common kernel/locking/rwsem.c:1304 [inline]
__down_write kernel/locking/rwsem.c:1313 [inline]
down_write+0x1d7/0x220 kernel/locking/rwsem.c:1578
inode_lock include/linux/fs.h:818 [inline]
open_last_lookups fs/namei.c:3745 [inline]
path_openat+0x89a/0x3590 fs/namei.c:3984
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: 0033:0x7f38b9113bc9
RSP: 002b:00007f38b90a9218 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f38b91a56b8 RCX: 00007f38b9113bc9
RDX: 000000000000275a RSI: 0000000020000040 RDI: 00000000ffffff9c
RBP: 00007f38b91a56b0 R08: 00007ffd5e2d1847 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f38b91a56bc
R13: 00007f38b91680c0 R14: 746174732e757063 R15: 0031656c69662f2e
INFO: task syz-executor190:5857 blocked for more than 145 seconds.
Not tainted 6.13.0-rc3-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor190 state:D stack:27288 pid:5857 tgid:5848 ppid:5844 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x17fb/0x4be0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176
__down_write_common kernel/locking/rwsem.c:1304 [inline]
__down_write kernel/locking/rwsem.c:1313 [inline]
down_write+0x1d7/0x220 kernel/locking/rwsem.c:1578
inode_lock include/linux/fs.h:818 [inline]
open_last_lookups fs/namei.c:3745 [inline]
path_openat+0x89a/0x3590 fs/namei.c:3984
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: 0033:0x7f38b9113bc9
RSP: 002b:00007f38b90a9218 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f38b91a56b8 RCX: 00007f38b9113bc9
RDX: 000000000000275a RSI: 0000000020000040 RDI: 00000000ffffff9c
RBP: 00007f38b91a56b0 R08: 00007ffd5e2d1847 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f38b91a56bc
R13: 00007f38b91680c0 R14: 746174732e757063 R15: 0031656c69662f2e
INFO: task syz-executor190:5859 blocked for more than 146 seconds.
Not tainted 6.13.0-rc3-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor190 state:D stack:27920 pid:5859 tgid:5850 ppid:5842 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x17fb/0x4be0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176
__down_write_common kernel/locking/rwsem.c:1304 [inline]
__down_write kernel/locking/rwsem.c:1313 [inline]
down_write+0x1d7/0x220 kernel/locking/rwsem.c:1578
inode_lock include/linux/fs.h:818 [inline]
open_last_lookups fs/namei.c:3745 [inline]
path_openat+0x89a/0x3590 fs/namei.c:3984
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: 0033:0x7f38b9113bc9
RSP: 002b:00007f38b90a9218 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f38b91a56b8 RCX: 00007f38b9113bc9
RDX: 000000000000275a RSI: 0000000020000040 RDI: 00000000ffffff9c
RBP: 00007f38b91a56b0 R08: 00007ffd5e2d1847 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f38b91a56bc
R13: 00007f38b91680c0 R14: 746174732e757063 R15: 0031656c69662f2e
INFO: task syz-executor190:5861 blocked for more than 147 seconds.
Not tainted 6.13.0-rc3-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor190 state:D stack:27920 pid:5861 tgid:5851 ppid:5843 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x17fb/0x4be0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176
__down_write_common kernel/locking/rwsem.c:1304 [inline]
__down_write kernel/locking/rwsem.c:1313 [inline]
down_write+0x1d7/0x220 kernel/locking/rwsem.c:1578
inode_lock include/linux/fs.h:818 [inline]
open_last_lookups fs/namei.c:3745 [inline]
path_openat+0x89a/0x3590 fs/namei.c:3984
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: 0033:0x7f38b9113bc9
RSP: 002b:00007f38b90a9218 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f38b91a56b8 RCX: 00007f38b9113bc9
RDX: 000000000000275a RSI: 0000000020000040 RDI: 00000000ffffff9c
RBP: 00007f38b91a56b0 R08: 00007ffd5e2d1847 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f38b91a56bc
R13: 00007f38b91680c0 R14: 746174732e757063 R15: 0031656c69662f2e
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6744
1 lock held by kswapd0/88:
2 locks held by getty/5586:
#0: ffff88802ffa00a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211
3 locks held by syz-executor190/5854:
1 lock held by syz-executor190/5860:
#0: ffff888076d7d140 (&type->i_mutex_dir_key#6){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline]
#0: ffff888076d7d140 (&type->i_mutex_dir_key#6){+.+.}-{4:4}, at: open_last_lookups fs/namei.c:3745 [inline]
#0: ffff888076d7d140 (&type->i_mutex_dir_key#6){+.+.}-{4:4}, at: path_openat+0x89a/0x3590 fs/namei.c:3984
1 lock held by syz-executor190/5849:
1 lock held by syz-executor190/5858:
#0: ffff888076d7c6c0 (&type->i_mutex_dir_key#6){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline]
#0: ffff888076d7c6c0 (&type->i_mutex_dir_key#6){+.+.}-{4:4}, at: open_last_lookups fs/namei.c:3745 [inline]
#0: ffff888076d7c6c0 (&type->i_mutex_dir_key#6){+.+.}-{4:4}, at: path_openat+0x89a/0x3590 fs/namei.c:3984
1 lock held by syz-executor190/5852:
1 lock held by syz-executor190/5857:
#0: ffff888076d7c180 (&type->i_mutex_dir_key#6){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline]
#0: ffff888076d7c180 (&type->i_mutex_dir_key#6){+.+.}-{4:4}, at: open_last_lookups fs/namei.c:3745 [inline]
#0: ffff888076d7c180 (&type->i_mutex_dir_key#6){+.+.}-{4:4}, at: path_openat+0x89a/0x3590 fs/namei.c:3984
1 lock held by syz-executor190/5855:
1 lock held by syz-executor190/5859:
#0: ffff888076d7cc00 (&type->i_mutex_dir_key#6){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline]
#0: ffff888076d7cc00 (&type->i_mutex_dir_key#6){+.+.}-{4:4}, at: open_last_lookups fs/namei.c:3745 [inline]
#0: ffff888076d7cc00 (&type->i_mutex_dir_key#6){+.+.}-{4:4}, at: path_openat+0x89a/0x3590 fs/namei.c:3984
1 lock held by syz-executor190/5853:
1 lock held by syz-executor190/5861:
#0: ffff888076d54180 (&type->i_mutex_dir_key#6){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline]
#0: ffff888076d54180 (&type->i_mutex_dir_key#6){+.+.}-{4:4}, at: open_last_lookups fs/namei.c:3745 [inline]
#0: ffff888076d54180 (&type->i_mutex_dir_key#6){+.+.}-{4:4}, at: path_openat+0x89a/0x3590 fs/namei.c:3984
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5852 Comm: syz-executor190 Not tainted 6.13.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:clear_page_erms+0xb/0x20 arch/x86/lib/clear_page_64.S:50
Code: 48 8d 7f 40 75 d9 90 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa b9 00 10 00 00 31 c0 aa c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90
RSP: 0018:ffffc90003c77190 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000340
RDX: ffff88805596d000 RSI: 0000000000000001 RDI: ffff88805596dcc0
RBP: 0000000000000004 R08: ffffea0001565b77 R09: 0000000000000000
R10: ffffed100ab2da00 R11: fffff940002acb6f R12: 0000000000000001
R13: 0000000000000001 R14: ffffea0001565b40 R15: 0000000000000000
FS: 00007f38b90ca6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005635dcab2680 CR3: 000000007cf14000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
clear_page arch/x86/include/asm/page_64.h:54 [inline]
clear_highpage_kasan_tagged include/linux/highmem.h:242 [inline]
kernel_init_pages mm/page_alloc.c:1040 [inline]
post_alloc_hook+0xf8/0x230 mm/page_alloc.c:1554
prep_new_page mm/page_alloc.c:1564 [inline]
get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3474
__alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4751
alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2269
alloc_pages_noprof mm/mempolicy.c:2348 [inline]
folio_alloc_noprof+0x128/0x180 mm/mempolicy.c:2355
filemap_alloc_folio_noprof+0xdf/0x500 mm/filemap.c:1009
do_read_cache_folio+0x2fd/0x5b0 mm/filemap.c:3788
read_mapping_folio include/linux/pagemap.h:1011 [inline]
dir_get_folio fs/sysv/dir.c:64 [inline]
sysv_find_entry+0x16c/0x590 fs/sysv/dir.c:154
sysv_inode_by_name+0x98/0x2a0 fs/sysv/dir.c:370
sysv_lookup+0x6b/0xe0 fs/sysv/namei.c:38
lookup_open fs/namei.c:3627 [inline]
open_last_lookups fs/namei.c:3748 [inline]
path_openat+0x11a7/0x3590 fs/namei.c:3984
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: 0033:0x7f38b9113bc9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 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:00007f38b90ca218 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f38b91a56a8 RCX: 00007f38b9113bc9
RDX: 0000000000103042 RSI: 0000000020000100 RDI: 00000000ffffff9c
RBP: 00007f38b91a56a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f38b91a56ac
R13: 00007f38b91680c0 R14: 746174732e757063 R15: 0031656c69662f2e
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.682 msecs