INFO: task syz-executor.1:4644 blocked for more than 143 seconds.
Not tainted 5.15.152-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:13160 pid: 4644 ppid: 1604 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5030 [inline]
__schedule+0x378/0x13e0 kernel/sched/core.c:6376
schedule+0x68/0xb0 kernel/sched/core.c:6459
schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:6518
__mutex_lock_common kernel/locking/mutex.c:669 [inline]
__mutex_lock+0x471/0x730 kernel/locking/mutex.c:729
ni_lock fs/ntfs3/ntfs_fs.h:1098 [inline]
ntfs_readpage+0x42/0xd0 fs/ntfs3/inode.c:724
filemap_read_page+0x50/0x170 mm/filemap.c:2386
filemap_update_page mm/filemap.c:2464 [inline]
filemap_get_pages+0x538/0x6f0 mm/filemap.c:2574
filemap_read+0x9d/0x3b0 mm/filemap.c:2634
call_read_iter include/linux/fs.h:2142 [inline]
generic_file_splice_read+0xf4/0x1b0 fs/splice.c:311
splice_direct_to_actor+0xaa/0x200 fs/splice.c:870
do_splice_direct+0x8c/0xd0 fs/splice.c:979
do_sendfile+0x35e/0x520 fs/read_write.c:1249
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f71e87e5da9
RSP: 002b:00007f71e83670c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f71e8913f80 RCX: 00007f71e87e5da9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007f71e883247a R08: 0000000000000000 R09: 0000000000000000
R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000006 R14: 00007f71e8913f80 R15: 00007ffcd26b04e8
INFO: task syz-executor.1:4647 blocked for more than 143 seconds.
Not tainted 5.15.152-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:13496 pid: 4647 ppid: 1604 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5030 [inline]
__schedule+0x378/0x13e0 kernel/sched/core.c:6376
schedule+0x68/0xb0 kernel/sched/core.c:6459
io_schedule+0x3d/0x60 kernel/sched/core.c:8484
wait_on_page_bit_common+0x116/0x440 mm/filemap.c:1356
__lock_page mm/filemap.c:1648 [inline]
lock_page include/linux/pagemap.h:625 [inline]
pagecache_get_page+0x3f8/0x690 mm/filemap.c:1910
find_or_create_page include/linux/pagemap.h:420 [inline]
ni_readpage_cmpr+0x121/0x280 fs/ntfs3/frecord.c:2087
ntfs_readpage+0x4d/0xd0 fs/ntfs3/inode.c:725
filemap_read_page+0x50/0x170 mm/filemap.c:2386
filemap_update_page mm/filemap.c:2464 [inline]
filemap_get_pages+0x538/0x6f0 mm/filemap.c:2574
filemap_read+0x9d/0x3b0 mm/filemap.c:2634
call_read_iter include/linux/fs.h:2142 [inline]
generic_file_splice_read+0xf4/0x1b0 fs/splice.c:311
splice_direct_to_actor+0xaa/0x200 fs/splice.c:870
do_splice_direct+0x8c/0xd0 fs/splice.c:979
do_sendfile+0x35e/0x520 fs/read_write.c:1249
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f71e87e5da9
RSP: 002b:00007f71e83460c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f71e8914050 RCX: 00007f71e87e5da9
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000006
RBP: 00007f71e883247a R08: 0000000000000000 R09: 0000000000000000
R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f71e8914050 R15: 00007ffcd26b04e8
Showing all locks held in the system:
1 lock held by khungtaskd/26:
#0: ffffffff831774c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x15/0xf7 kernel/locking/lockdep.c:6453
2 locks held by getty/1017:
#0: ffff888106491098 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x1f/0x50 drivers/tty/tty_ldisc.c:252
#1: ffffc90002b6f2e8 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x4eb/0x610 drivers/tty/n_tty.c:2158
3 locks held by syz-executor.1/4644:
#0: ffff88810948f448 (sb_writers#13){....}-{0:0}, at: do_syscall_x64 arch/x86/entry/common.c:50 [inline]
#0: ffff88810948f448 (sb_writers#13){....}-{0:0}, at: do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80
#1: ffff88811143eae8 (mapping.invalidate_lock#3){....}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:844 [inline]
#1: ffff88811143eae8 (mapping.invalidate_lock#3){....}-{3:3}, at: filemap_update_page mm/filemap.c:2435 [inline]
#1: ffff88811143eae8 (mapping.invalidate_lock#3){....}-{3:3}, at: filemap_get_pages+0x2c1/0x6f0 mm/filemap.c:2574
#2: ffff88811143e6b8 (&ni->ni_lock/4){....}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1098 [inline]
#2: ffff88811143e6b8 (&ni->ni_lock/4){....}-{3:3}, at: ntfs_readpage+0x42/0xd0 fs/ntfs3/inode.c:724
3 locks held by syz-executor.1/4647:
#0: ffff88810948f448 (sb_writers#13){....}-{0:0}, at: do_syscall_x64 arch/x86/entry/common.c:50 [inline]
#0: ffff88810948f448 (sb_writers#13){....}-{0:0}, at: do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80
#1: ffff88811143eae8 (mapping.invalidate_lock#3){....}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:844 [inline]
#1: ffff88811143eae8 (mapping.invalidate_lock#3){....}-{3:3}, at: filemap_update_page mm/filemap.c:2435 [inline]
#1: ffff88811143eae8 (mapping.invalidate_lock#3){....}-{3:3}, at: filemap_get_pages+0x2c1/0x6f0 mm/filemap.c:2574
#2: ffff88811143e6b8 (&ni->ni_lock/4){....}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1098 [inline]
#2: ffff88811143e6b8 (&ni->ni_lock/4){....}-{3:3}, at: ntfs_readpage+0x42/0xd0 fs/ntfs3/inode.c:724
1 lock held by udevd/5278:
#0: ffff8881049ea918 (&disk->open_mutex){....}-{3:3}, at: blkdev_get_by_dev+0x51/0x2e0 block/bdev.c:817
2 locks held by syz-executor.3/8373:
#0: ffff88813bc2ba58 (&rq->__lock){....}-{2:2}, at: raw_spin_rq_lock_nested+0x19/0x80 kernel/sched/core.c:475
#1: ffff88813bc1b808 (&per_cpu_ptr(group->pcpu, cpu)->seq){....}-{0:0}, at: psi_task_switch+0x1c9/0x1f0 kernel/sched/psi.c:891
2 locks held by syz-executor.2/8377:
1 lock held by syz-executor.2/8384:
2 locks held by syz-executor.0/8379:
#0: ffff8881049ea918 (&disk->open_mutex){....}-{3:3}, at: blkdev_put+0x35/0x1e0 block/bdev.c:912
#1: ffff888142fc5468 (&lo->lo_mutex){....}-{3:3}, at: lo_release+0x1b/0x90 drivers/block/loop.c:2070
2 locks held by syz-executor.4/8386:
#0: ffff8881049ec718 (&disk->open_mutex){....}-{3:3}, at: blkdev_put+0x35/0x1e0 block/bdev.c:912
#1: ffff888101f9b468 (&lo->lo_mutex){....}-{3:3}, at: lo_release+0x1b/0x90 drivers/block/loop.c:2070
2 locks held by syz-executor.1/8391:
1 lock held by syz-executor.1/8392:
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 26 Comm: khungtaskd Not tainted 5.15.152-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x41/0x5e lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x32/0x80 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x91/0xb0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
watchdog+0x4a2/0x4e0 kernel/hung_task.c:295
kthread+0x124/0x150 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 8391 Comm: syz-executor.1 Not tainted 5.15.152-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:__page_memcg include/linux/memcontrol.h:410 [inline]
RIP: 0010:page_memcg include/linux/memcontrol.h:459 [inline]
RIP: 0010:lock_page_memcg+0x88/0x280 mm/memcontrol.c:2049
Code: 85 a3 00 00 00 48 83 3a ff 0f 84 85 01 00 00 48 8b 4d 08 48 8d 51 ff 83 e1 01 48 0f 44 d5 48 8b 12 80 e6 02 0f 85 a8 01 00 00 <48> 83 e0 fc 48 89 c3 48 85 db 0f 84 b7 00 00 00 8b 83 80 10 00 00
RSP: 0018:ffffc90bef747ae8 EFLAGS: 00000246
RAX: ffff888109cf0000 RBX: ffff888108ac1c78 RCX: 0000000000000000
RDX: 017ff00000000017 RSI: 00000000d3d1ef9c RDI: 00000000c99ecb36
RBP: ffffea00044fe140 R08: 0000000000020015 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000004 R12: ffffc90bef747b58
R13: ffffea00044fe140 R14: 0000000000000000 R15: 00000000000017d6
FS: 00007fedae0436c0(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555556f49818 CR3: 000000012a640000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
mark_buffer_dirty+0x8e/0x130 fs/buffer.c:1104
__block_write_begin_int+0x2d9/0x530 fs/buffer.c:2024
ext4_da_write_begin+0x129/0x2e0 fs/ext4/inode.c:2991
generic_perform_write+0xbf/0x1f0 mm/filemap.c:3785
ext4_buffered_write_iter+0x9a/0x150 fs/ext4/file.c:268
call_write_iter include/linux/fs.h:2148 [inline]
do_iter_readv_writev+0x14d/0x1a0 fs/read_write.c:729
do_iter_write+0x7a/0x1c0 fs/read_write.c:855
iter_file_splice_write+0x28f/0x430 fs/splice.c:689
do_splice_from fs/splice.c:767 [inline]
direct_splice_actor+0x24/0x40 fs/splice.c:936
splice_direct_to_actor+0xd5/0x200 fs/splice.c:891
do_splice_direct+0x8c/0xd0 fs/splice.c:979
do_sendfile+0x35e/0x520 fs/read_write.c:1249
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fedae4c1da9
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:00007fedae0430c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fedae5eff80 RCX: 00007fedae4c1da9
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 00007fedae50e47a R08: 0000000000000000 R09: 0000000000000000
R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000016 R14: 00007fedae5eff80 R15: 00007ffd4839f478