INFO: task syz-executor.1:4709 blocked for more than 143 seconds.
Not tainted 5.15.167-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:24056 pid: 4709 ppid: 3879 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5027 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
schedule+0x11b/0x1f0 kernel/sched/core.c:6456
io_schedule+0x88/0x100 kernel/sched/core.c:8481
wait_on_page_bit_common+0xa13/0x1180 mm/filemap.c:1356
__lock_page mm/filemap.c:1648 [inline]
lock_page include/linux/pagemap.h:625 [inline]
pagecache_get_page+0x5af/0x1010 mm/filemap.c:1910
find_or_create_page include/linux/pagemap.h:420 [inline]
ni_readpage_cmpr+0x2f2/0x8d0 fs/ntfs3/frecord.c:2087
ntfs_readpage+0x19a/0x210 fs/ntfs3/inode.c:726
filemap_read_page+0x166/0x4b0 mm/filemap.c:2386
filemap_update_page mm/filemap.c:2464 [inline]
filemap_get_pages mm/filemap.c:2574 [inline]
filemap_read+0x15dc/0x2980 mm/filemap.c:2634
call_read_iter include/linux/fs.h:2166 [inline]
generic_file_splice_read+0x4ad/0x790 fs/splice.c:311
do_splice_to fs/splice.c:796 [inline]
splice_direct_to_actor+0x448/0xc10 fs/splice.c:870
do_splice_direct+0x285/0x3d0 fs/splice.c:979
do_sendfile+0x622/0x1000 fs/read_write.c:1249
__do_sys_sendfile64 fs/read_write.c:1317 [inline]
__se_sys_sendfile64+0x178/0x1e0 fs/read_write.c:1303
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f3695f1fda9
RSP: 002b:00007f36952a00c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f369604df80 RCX: 00007f3695f1fda9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007f3695f6c47a R08: 0000000000000000 R09: 0000000000000000
R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f369604df80 R15: 00007ffc2802fef8
INFO: task syz-executor.1:4719 blocked for more than 144 seconds.
Not tainted 5.15.167-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:25304 pid: 4719 ppid: 3879 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5027 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
schedule+0x11b/0x1f0 kernel/sched/core.c:6456
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6515
__mutex_lock_common+0xe34/0x25a0 kernel/locking/mutex.c:669
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
ni_lock fs/ntfs3/ntfs_fs.h:1100 [inline]
ntfs_readpage+0x18f/0x210 fs/ntfs3/inode.c:725
filemap_read_page+0x166/0x4b0 mm/filemap.c:2386
filemap_update_page mm/filemap.c:2464 [inline]
filemap_get_pages mm/filemap.c:2574 [inline]
filemap_read+0x15dc/0x2980 mm/filemap.c:2634
call_read_iter include/linux/fs.h:2166 [inline]
generic_file_splice_read+0x4ad/0x790 fs/splice.c:311
do_splice_to fs/splice.c:796 [inline]
splice_direct_to_actor+0x448/0xc10 fs/splice.c:870
do_splice_direct+0x285/0x3d0 fs/splice.c:979
do_sendfile+0x622/0x1000 fs/read_write.c:1249
__do_sys_sendfile64 fs/read_write.c:1317 [inline]
__se_sys_sendfile64+0x178/0x1e0 fs/read_write.c:1303
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f3695f1fda9
RSP: 002b:00007f369527f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f369604e050 RCX: 00007f3695f1fda9
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000006
RBP: 00007f3695f6c47a R08: 0000000000000000 R09: 0000000000000000
R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f369604e050 R15: 00007ffc2802fef8
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8c91fc60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/3332:
#0: ffff88814af61098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
#1: ffffc9000208e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 drivers/tty/n_tty.c:2158
1 lock held by syz-executor.3/3878:
#0: ffff8880209f8918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790 block/bdev.c:912
2 locks held by syz-executor.2/3884:
#0: ffff8880209f5118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790 block/bdev.c:912
#1: ffff88802095a468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa9/0xbe0 drivers/block/loop.c:1365
3 locks held by syz-executor.1/4709:
#0: ffff888078b5a460 (sb_writers#13){.+.+}-{0:0}, at: do_sendfile+0x5fd/0x1000 fs/read_write.c:1248
#1: ffff888062c18ca0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:844 [inline]
#1: ffff888062c18ca0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_update_page mm/filemap.c:2435 [inline]
#1: ffff888062c18ca0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_get_pages mm/filemap.c:2574 [inline]
#1: ffff888062c18ca0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_read+0xaef/0x2980 mm/filemap.c:2634
#2: ffff888062c18860 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1100 [inline]
#2: ffff888062c18860 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_readpage+0x18f/0x210 fs/ntfs3/inode.c:725
3 locks held by syz-executor.1/4719:
#0: ffff888078b5a460 (sb_writers#13){.+.+}-{0:0}, at: do_sendfile+0x5fd/0x1000 fs/read_write.c:1248
#1: ffff888062c18ca0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:844 [inline]
#1: ffff888062c18ca0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_update_page mm/filemap.c:2435 [inline]
#1: ffff888062c18ca0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_get_pages mm/filemap.c:2574 [inline]
#1: ffff888062c18ca0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_read+0xaef/0x2980 mm/filemap.c:2634
#2: ffff888062c18860 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1100 [inline]
#2: ffff888062c18860 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_readpage+0x18f/0x210 fs/ntfs3/inode.c:725
1 lock held by udevd/4768:
#0: ffff8880209f5118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x14d/0xa50 block/bdev.c:817
2 locks held by syz-executor.1/7131:
3 locks held by syz-executor.1/7132:
2 locks held by syz-executor.4/7135:
#0: ffff8880209fd118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790 block/bdev.c:912
#1: ffff888147710468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0 drivers/block/loop.c:2070
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x181/0x2a0 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+0xe72/0xeb0 kernel/hung_task.c:295
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4786 Comm: syz-executor.1 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:unwind_next_frame+0x132f/0x1fa0 arch/x86/kernel/unwind_orc.c:609
Code: 44 24 38 0f b6 04 10 84 c0 0f 85 03 08 00 00 8b 44 24 74 41 39 07 48 8b 7c 24 40 0f 85 07 01 00 00 48 8b 44 24 48 80 3c 10 00 <74> 0f e8 0a 89 91 00 48 ba 00 00 00 00 00 fc ff df 49 8b 6f 38 49
RSP: 0000:ffffc9001cc37288 EFLAGS: 00000246
RAX: 1ffff92003986e6f RBX: ffffffff8e6bbf0e RCX: 0000000000000000
RDX: dffffc0000000000 RSI: ffffc9001cc37f10 RDI: ffffc9001cc37378
RBP: ffffffff8e6bbf10 R08: ffffc9001cc37f10 R09: ffffc9001cc37390
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff1cd77e2
R13: 1ffffffff1cd77e2 R14: ffffffff8e6bbf0f R15: ffffc9001cc37340
FS: 00005555869bb480(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9b86e48001 CR3: 0000000077823000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track+0x4b/0x80 mm/kasan/common.c:46
kasan_set_free_info+0x1f/0x40 mm/kasan/generic.c:360
____kasan_slab_free+0xd8/0x120 mm/kasan/common.c:366
kasan_slab_free include/linux/kasan.h:230 [inline]
slab_free_hook mm/slub.c:1705 [inline]
slab_free_freelist_hook+0xdd/0x160 mm/slub.c:1731
slab_free mm/slub.c:3499 [inline]
kmem_cache_free+0x91/0x1f0 mm/slub.c:3515
free_buffer_head+0x45/0xb0 fs/buffer.c:3327
try_to_free_buffers+0x464/0x5a0 fs/buffer.c:3268
do_invalidatepage mm/truncate.c:157 [inline]
truncate_cleanup_page+0x179/0x440 mm/truncate.c:176
truncate_inode_pages_range+0x2e7/0x1290 mm/truncate.c:325
ext4_evict_inode+0x2ae/0x1100 fs/ext4/inode.c:224
evict+0x529/0x930 fs/inode.c:622
do_unlinkat+0x508/0x950 fs/namei.c:4355
__do_sys_unlink fs/namei.c:4396 [inline]
__se_sys_unlink fs/namei.c:4394 [inline]
__x64_sys_unlink+0x45/0x50 fs/namei.c:4394
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f1ace9a7557
Code: 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 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:00007ffe502bf558 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1ace9a7557
RDX: 00007ffe502bf580 RSI: 00007ffe502bf610 RDI: 00007ffe502bf610
RBP: 00007ffe502bf610 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffe502c06d0
R13: 00007f1ace9f33b9 R14: 000000000003c78d R15: 000000000000000a