INFO: task syz-executor.3:5889 blocked for more than 143 seconds.
Not tainted 6.6.0-rc5-syzkaller-00055-g1c8b86a3799f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:26976 pid:5889 ppid:5064 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0xee1/0x5a10 kernel/sched/core.c:6695
schedule+0xe7/0x1b0 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
rwsem_down_write_slowpath+0x53d/0x12a0 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write+0x1d3/0x200 kernel/locking/rwsem.c:1574
filemap_invalidate_lock include/linux/fs.h:847 [inline]
blk_ioctl_zeroout block/ioctl.c:184 [inline]
blkdev_common_ioctl+0x10ee/0x1ce0 block/ioctl.c:510
blkdev_ioctl+0x249/0x770 block/ioctl.c:624
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:871 [inline]
__se_sys_ioctl fs/ioctl.c:857 [inline]
__x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fe666e7cae9
RSP: 002b:00007fe667c8f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe666f9c050 RCX: 00007fe666e7cae9
RDX: 0000000020000100 RSI: 000000000000127f RDI: 0000000000000005
RBP: 00007fe666ec847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fe666f9c050 R15: 00007ffe32e69968
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8cba7920 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:303 [inline]
#0: ffffffff8cba7920 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:749 [inline]
#0: ffffffff8cba7920 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6613
2 locks held by klogd/4471:
#0: ffff8880b983c758 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:566 [inline]
#0: ffff8880b983c758 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x7e/0x130 kernel/sched/core.c:551
#1: ffff8880b9828888 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2d9/0x900 kernel/sched/psi.c:999
2 locks held by getty/4787:
#0: ffff88814bda00a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900020382f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc5/0x1480 drivers/tty/n_tty.c:2206
2 locks held by syz-executor.0/5671:
1 lock held by syz-executor.3/5889:
#0: ffff888148620b40 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:847 [inline]
#0: ffff888148620b40 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:184 [inline]
#0: ffff888148620b40 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x10ee/0x1ce0 block/ioctl.c:510
1 lock held by syz-executor.1/7522:
2 locks held by syz-executor.1/7524:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc5-syzkaller-00055-g1c8b86a3799f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x277/0x380 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x299/0x300 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+0xf87/0x1210 kernel/hung_task.c:379
kthread+0x33c/0x440 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5671 Comm: syz-executor.0 Not tainted 6.6.0-rc5-syzkaller-00055-g1c8b86a3799f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:__rcu_read_unlock+0xc7/0x570 kernel/rcu/tree_plugin.h:425
Code: 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c3 01 00 00 <8b> 85 40 04 00 00 85 c0 75 54 65 48 8b 1c 25 00 bd 03 00 48 8d bb
RSP: 0018:ffffc9000b6269d0 EFLAGS: 00000046
RAX: 0000000000000003 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81bae01e RDI: ffff888077f96540
RBP: ffff888077f96100 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 1ffff11010d1f892 R12: ffff888077f96100
R13: 00fff80000040021 R14: ffffea000296b248 R15: dffffc0000000000
FS: 0000555557015480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3c62977978 CR3: 0000000086793000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_read_unlock include/linux/rcupdate.h:781 [inline]
folio_evictable+0x123/0x260 mm/internal.h:164
sort_folio mm/vmscan.c:4911 [inline]
scan_folios mm/vmscan.c:5036 [inline]
isolate_folios+0xdaf/0x3d40 mm/vmscan.c:5152
evict_folios+0x1a2/0x1940 mm/vmscan.c:5183
try_to_shrink_lruvec+0x769/0xb00 mm/vmscan.c:5371
lru_gen_shrink_lruvec mm/vmscan.c:5510 [inline]
shrink_lruvec+0x314/0x2980 mm/vmscan.c:6285
shrink_node_memcgs mm/vmscan.c:6505 [inline]
shrink_node+0x811/0x37a0 mm/vmscan.c:6540
shrink_zones mm/vmscan.c:6779 [inline]
do_try_to_free_pages+0x3cf/0x1990 mm/vmscan.c:6841
try_to_free_mem_cgroup_pages+0x36f/0x850 mm/vmscan.c:7156
try_charge_memcg+0x463/0x1400 mm/memcontrol.c:2691
try_charge mm/memcontrol.c:2833 [inline]
charge_memcg+0x96/0x2f0 mm/memcontrol.c:6996
__mem_cgroup_charge+0x2b/0x90 mm/memcontrol.c:7017
mem_cgroup_charge include/linux/memcontrol.h:686 [inline]
__filemap_add_folio+0x661/0xf10 mm/filemap.c:857
filemap_add_folio+0xb1/0x1e0 mm/filemap.c:939
page_cache_ra_unbounded+0x1d0/0x5e0 mm/readahead.c:250
do_page_cache_ra mm/readahead.c:299 [inline]
page_cache_ra_order+0x72b/0xa80 mm/readahead.c:546
do_sync_mmap_readahead mm/filemap.c:3199 [inline]
filemap_fault+0x1804/0x3550 mm/filemap.c:3291
__do_fault+0x107/0x600 mm/memory.c:4204
do_shared_fault mm/memory.c:4635 [inline]
do_fault mm/memory.c:4709 [inline]
do_pte_missing mm/memory.c:3669 [inline]
handle_pte_fault mm/memory.c:4978 [inline]
__handle_mm_fault+0x2594/0x3e10 mm/memory.c:5119
handle_mm_fault+0x478/0xa00 mm/memory.c:5284
do_user_addr_fault+0x3d1/0x1000 arch/x86/mm/fault.c:1413
handle_page_fault arch/x86/mm/fault.c:1505 [inline]
exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1561
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7f625d25db98
Code: fc 89 37 c3 c5 fa 6f 06 c5 fa 6f 4c 16 f0 c5 fa 7f 07 c5 fa 7f 4c 17 f0 c3 66 0f 1f 84 00 00 00 00 00 48 8b 4c 16 f8 48 8b 36 <48> 89 37 48 89 4c 17 f8 c3 c5 fe 6f 54 16 e0 c5 fe 6f 5c 16 c0 c5
RSP: 002b:00007ffee3dbe198 EFLAGS: 00010202
RAX: 0000000020000080 RBX: 00007ffee3dbe2a8 RCX: 0030626c6c756e2f
RDX: 000000000000000c RSI: 6c756e2f7665642f RDI: 0000000020000080
RBP: 0000000000000032 R08: 00007f625d200000 R09: 00000000000006e5
R10: 0000000081727b77 R11: 0000000000000246 R12: 00007f625ce00168
R13: fffffffffffffffe R14: 00007f625ce00000 R15: 00007f625ce00170