INFO: task syz-executor.1:28823 blocked for more than 143 seconds.
Not tainted 6.8.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:26136 pid:28823 tgid:28759 ppid:13742 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0x177f/0x49a0 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6874
rwsem_down_write_slowpath+0xeea/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1ae/0x200 kernel/locking/rwsem.c:1306
filemap_invalidate_lock include/linux/fs.h:849 [inline]
blk_ioctl_zeroout block/ioctl.c:185 [inline]
blkdev_common_ioctl+0x1718/0x2880 block/ioctl.c:514
blkdev_ioctl+0x532/0x740 block/ioctl.c:628
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:871 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:857
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fb934e7dda9
RSP: 002b:00007fb935b670c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fb934fabf80 RCX: 00007fb934e7dda9
RDX: 0000000020000100 RSI: 000000000000127f RDI: 0000000000000009
RBP: 00007fb934eca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fb934fabf80 R15: 00007fff3f9761c8
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8e130be0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
#0: ffffffff8e130be0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
#0: ffffffff8e130be0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
2 locks held by getty/4810:
#0: ffff88802b9ac0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b4/0x1e10 drivers/tty/n_tty.c:2201
2 locks held by kworker/u4:2/13758:
2 locks held by syz-executor.1/4488:
2 locks held by syz-executor.1/9504:
2 locks held by syz-executor.1/13243:
1 lock held by syz-executor.1/28823:
#0: ffff88801d0a70c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:849 [inline]
#0: ffff88801d0a70c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:185 [inline]
#0: ffff88801d0a70c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1718/0x2880 block/ioctl.c:514
4 locks held by syz-executor.1/32416:
2 locks held by syz-executor.2/13163:
2 locks held by syz-executor.3/13166:
#0: ffff8880b953c918 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:559
#1: ffff8880b9528988 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:988
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106
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:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xfaf/0xff0 kernel/hung_task.c:379
kthread+0x2ef/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:243
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 9504 Comm: syz-executor.1 Not tainted 6.8.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:__set_page_owner+0x70/0x380 mm/page_owner.c:200
Code: 00 00 fc ff df e8 40 8d 71 ff 48 89 44 24 28 44 0f b7 fb bf 20 00 00 00 44 89 fe e8 aa 22 97 ff b8 01 00 00 00 4c 89 7c 24 10 <44> 89 f9 d3 e0 45 31 e4 85 c0 44 0f 4f e0 48 c7 c0 e0 b5 4b 94 48
RSP: 0018:ffffc90012b26b78 EFLAGS: 00000293
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000024061d747fd
RDX: ffff888096e38000 RSI: 0000000000000000 RDI: 0000000000000020
RBP: dffffc0000000000 R08: ffffffff81fc4d46 R09: 1ffffffff258b084
R10: dffffc0000000000 R11: fffffbfff258b085 R12: 0000000000000001
R13: 0000000000000001 R14: ffff88801a004ab0 R15: 0000000000000000
FS: 00007f39588be6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fea753ad988 CR3: 0000000094f5a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x1ea/0x210 mm/page_alloc.c:1533
prep_new_page mm/page_alloc.c:1540 [inline]
get_page_from_freelist+0x33ea/0x3580 mm/page_alloc.c:3311
__alloc_pages+0x255/0x680 mm/page_alloc.c:4567
alloc_pages_mpol+0x3de/0x650 mm/mempolicy.c:2133
alloc_pages mm/mempolicy.c:2204 [inline]
folio_alloc+0x12a/0x330 mm/mempolicy.c:2211
filemap_alloc_folio+0xde/0x500 mm/filemap.c:975
page_cache_ra_unbounded+0x1f2/0x7c0 mm/readahead.c:247
do_sync_mmap_readahead+0x444/0x850
filemap_fault+0x7c6/0x1680 mm/filemap.c:3245
__do_fault+0x135/0x460 mm/memory.c:4396
do_read_fault mm/memory.c:4758 [inline]
do_fault mm/memory.c:4888 [inline]
do_pte_missing mm/memory.c:3745 [inline]
handle_pte_fault mm/memory.c:5164 [inline]
__handle_mm_fault+0x49e6/0x72d0 mm/memory.c:5305
handle_mm_fault+0x27e/0x770 mm/memory.c:5470
faultin_page mm/gup.c:958 [inline]
__get_user_pages+0x6bd/0x1600 mm/gup.c:1241
populate_vma_page_range+0x2aa/0x380 mm/gup.c:1679
__mm_populate+0x279/0x460 mm/gup.c:1788
mm_populate include/linux/mm.h:3391 [inline]
vm_mmap_pgoff+0x304/0x420 mm/util.c:561
ksys_mmap_pgoff+0x503/0x6e0 mm/mmap.c:1425
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f3957a7dda9
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:00007f39588be0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f3957babf80 RCX: 00007f3957a7dda9
RDX: 0000000001000006 RSI: 0000000000b34902 RDI: 0000000020000000
RBP: 00007f3957aca47a R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f3957babf80 R15: 00007ffcd9e2b4a8