INFO: task syz-executor.4:10630 blocked for more than 143 seconds.
Not tainted 6.0.0-rc2-next-20220823-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:30256 pid:10630 ppid:13095 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5197 [inline]
__schedule+0xae5/0x52c0 kernel/sched/core.c:6509
schedule+0xda/0x1b0 kernel/sched/core.c:6585
rwsem_down_write_slowpath+0x59c/0x11e0 kernel/locking/rwsem.c:1182
__down_write_common kernel/locking/rwsem.c:1297 [inline]
__down_write_common kernel/locking/rwsem.c:1294 [inline]
__down_write kernel/locking/rwsem.c:1306 [inline]
down_write_nested+0x139/0x150 kernel/locking/rwsem.c:1663
inode_lock_nested include/linux/fs.h:791 [inline]
lock_rename+0x225/0x280 fs/namei.c:2990
do_renameat2+0x639/0xc80 fs/namei.c:4848
__do_sys_rename fs/namei.c:4953 [inline]
__se_sys_rename fs/namei.c:4951 [inline]
__x64_sys_rename+0x7d/0xa0 fs/namei.c:4951
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7efdb5c89279
RSP: 002b:00007efdb6e74168 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007efdb5d9c1f0 RCX: 00007efdb5c89279
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000020000000
RBP: 00007efdb5ce3189 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffd31f911f R14: 00007efdb6e74300 R15: 0000000000022000
INFO: task syz-executor.4:10631 blocked for more than 144 seconds.
Not tainted 6.0.0-rc2-next-20220823-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:30008 pid:10631 ppid:13095 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5197 [inline]
__schedule+0xae5/0x52c0 kernel/sched/core.c:6509
schedule+0xda/0x1b0 kernel/sched/core.c:6585
rwsem_down_read_slowpath+0x59f/0xb10 kernel/locking/rwsem.c:1087
__down_read_common kernel/locking/rwsem.c:1252 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0xe2/0x450 kernel/locking/rwsem.c:1501
inode_lock_shared include/linux/fs.h:766 [inline]
open_last_lookups fs/namei.c:3480 [inline]
path_openat+0x1514/0x28f0 fs/namei.c:3688
do_filp_open+0x1b6/0x400 fs/namei.c:3718
do_sys_openat2+0x16d/0x4c0 fs/open.c:1308
do_sys_open fs/open.c:1324 [inline]
__do_sys_openat fs/open.c:1340 [inline]
__se_sys_openat fs/open.c:1335 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1335
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7efdb5c89279
RSP: 002b:00007efdb6e53168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007efdb5d9c2c0 RCX: 00007efdb5c89279
RDX: 0000000000000002 RSI: 0000000020004400 RDI: ffffffffffffff9c
RBP: 00007efdb5ce3189 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffd31f911f R14: 00007efdb6e53300 R15: 0000000000022000
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.0.0-rc2-next-20220823-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x46/0x14f lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x206/0x250 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:227 [inline]
watchdog+0xcf7/0xfd0 kernel/hung_task.c:384
kthread+0x2e4/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 10629 Comm: syz-executor.4 Not tainted 6.0.0-rc2-next-20220823-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:deref_stack_reg arch/x86/kernel/unwind_orc.c:360 [inline]
RIP: 0010:unwind_next_frame+0x12d2/0x1cc0 arch/x86/kernel/unwind_orc.c:605
Code: ef 49 01 c6 4c 89 f6 e8 7c eb ff ff 4d 8d 4d 34 84 c0 0f 84 d7 f0 ff ff 4c 89 f7 e8 88 e6 ff ff 49 8d 7d 40 48 89 fa 48 89 c5 <48> b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 84 86 fc
RSP: 0018:ffffc9001600e468 EFLAGS: 00000202
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000001
RDX: ffffc9001600e518 RSI: ffffc9001600f238 RDI: ffffc9001600e518
RBP: dffffc0000000000 R08: ffffffff8e6857de R09: ffffc9001600e50c
R10: fffff52002c01ca6 R11: ffffc9001600f260 R12: ffffc9001600e50d
R13: ffffc9001600e4d8 R14: ffffc9001600f238 R15: ffffffff8e6857e2
FS: 00007efdb6e95700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c010786000 CR3: 000000002d568000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000003b DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
arch_stack_walk+0x7d/0xe0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
kasan_set_track+0x21/0x30 mm/kasan/common.c:45
kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370
____kasan_slab_free mm/kasan/common.c:367 [inline]
____kasan_slab_free+0x166/0x1c0 mm/kasan/common.c:329
kasan_slab_free include/linux/kasan.h:200 [inline]
slab_free_hook mm/slub.c:1754 [inline]
slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1780
slab_free mm/slub.c:3534 [inline]
kmem_cache_free+0xeb/0x5b0 mm/slub.c:3551
free_buffer_head+0x4a/0xf0 fs/buffer.c:2986
try_to_free_buffers+0x1b8/0x2c0 fs/buffer.c:2927
filemap_release_folio+0x15c/0x1a0 mm/filemap.c:3928
shrink_page_list+0x272f/0x3850 mm/vmscan.c:1986
shrink_inactive_list mm/vmscan.c:2494 [inline]
shrink_list mm/vmscan.c:2721 [inline]
shrink_lruvec+0xce7/0x2650 mm/vmscan.c:5861
shrink_node_memcgs mm/vmscan.c:6048 [inline]
shrink_node+0x8d2/0x1f30 mm/vmscan.c:6079
shrink_zones mm/vmscan.c:6317 [inline]
do_try_to_free_pages+0x3b4/0x17a0 mm/vmscan.c:6379
try_to_free_mem_cgroup_pages+0x364/0x960 mm/vmscan.c:6694
reclaim_high.constprop.0+0x182/0x230 mm/memcontrol.c:2335
mem_cgroup_handle_over_high+0x18c/0x510 mm/memcontrol.c:2520
try_charge_memcg+0xe27/0x1300 mm/memcontrol.c:2758
try_charge mm/memcontrol.c:2769 [inline]
charge_memcg+0x31/0x320 mm/memcontrol.c:6819
__mem_cgroup_charge+0x27/0x90 mm/memcontrol.c:6840
mem_cgroup_charge include/linux/memcontrol.h:696 [inline]
__filemap_add_folio+0x511/0x1620 mm/filemap.c:851
filemap_add_folio+0xab/0x1d0 mm/filemap.c:933
do_read_cache_folio+0x1b4/0x510 mm/filemap.c:3480
do_read_cache_page mm/filemap.c:3555 [inline]
read_cache_page+0x59/0x2b0 mm/filemap.c:3564
read_mapping_page include/linux/pagemap.h:756 [inline]
dir_get_page fs/minix/dir.c:70 [inline]
minix_find_entry+0x203/0x5f0 fs/minix/dir.c:170
minix_inode_by_name+0x71/0x250 fs/minix/dir.c:454
minix_lookup fs/minix/namei.c:30 [inline]
minix_lookup+0x103/0x190 fs/minix/namei.c:22
lookup_open.isra.0+0x76a/0x12a0 fs/namei.c:3391
open_last_lookups fs/namei.c:3481 [inline]
path_openat+0x996/0x28f0 fs/namei.c:3688
do_filp_open+0x1b6/0x400 fs/namei.c:3718
do_sys_openat2+0x16d/0x4c0 fs/open.c:1308
do_sys_open fs/open.c:1324 [inline]
__do_sys_creat fs/open.c:1400 [inline]
__se_sys_creat fs/open.c:1394 [inline]
__x64_sys_creat+0xc9/0x120 fs/open.c:1394
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7efdb5c89279
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007efdb6e95168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007efdb5d9c120 RCX: 00007efdb5c89279
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000020000a00
RBP: 00007efdb5ce3189 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffd31f911f R14: 00007efdb6e95300 R15: 0000000000022000