INFO: task kcompactd0:30 blocked for more than 143 seconds.
Not tainted 5.15.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kcompactd0 state:D stack:28032 pid: 30 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
io_schedule+0xee/0x170 kernel/sched/core.c:8371
folio_wait_bit_common+0x4f2/0xa60 mm/filemap.c:1371
lock_page include/linux/pagemap.h:780 [inline]
__unmap_and_move mm/migrate.c:980 [inline]
unmap_and_move mm/migrate.c:1204 [inline]
migrate_pages+0xa5a/0x3810 mm/migrate.c:1481
compact_zone+0x1abb/0x3860 mm/compaction.c:2399
kcompactd_do_work+0x2c9/0x730 mm/compaction.c:2839
kcompactd+0x86b/0xf30 mm/compaction.c:2941
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: task syz-executor.3:24859 blocked for more than 144 seconds.
Not tainted 5.15.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:29024 pid:24859 ppid: 23412 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
rwsem_down_write_slowpath+0x761/0x1130 kernel/locking/rwsem.c:1117
__down_write_common kernel/locking/rwsem.c:1272 [inline]
__down_write_common kernel/locking/rwsem.c:1269 [inline]
__down_write kernel/locking/rwsem.c:1281 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1528
filemap_invalidate_lock include/linux/fs.h:828 [inline]
blkdev_fallocate+0x1e2/0x420 block/fops.c:625
vfs_fallocate+0x48d/0xe10 fs/open.c:307
madvise_remove mm/madvise.c:925 [inline]
madvise_vma mm/madvise.c:987 [inline]
do_madvise.part.0+0xb60/0x2250 mm/madvise.c:1202
do_madvise mm/madvise.c:1228 [inline]
__do_sys_madvise mm/madvise.c:1228 [inline]
__se_sys_madvise mm/madvise.c:1226 [inline]
__x64_sys_madvise+0x113/0x150 mm/madvise.c:1226
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+0x44/0xae
RIP: 0033:0x7f25c688aae9
RSP: 002b:00007f25c3e00188 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f25c699df60 RCX: 00007f25c688aae9
RDX: 0000000000000009 RSI: 0000000000004000 RDI: 00000000201ed000
RBP: 00007f25c68e4f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe977ac41f R14: 00007f25c3e00300 R15: 0000000000022000
INFO: task syz-executor.3:24903 blocked for more than 146 seconds.
Not tainted 5.15.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:28088 pid:24903 ppid: 23412 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
rwsem_down_write_slowpath+0x761/0x1130 kernel/locking/rwsem.c:1117
__down_write_common kernel/locking/rwsem.c:1272 [inline]
__down_write_common kernel/locking/rwsem.c:1269 [inline]
__down_write kernel/locking/rwsem.c:1281 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1528
filemap_invalidate_lock include/linux/fs.h:828 [inline]
blkdev_fallocate+0x1e2/0x420 block/fops.c:625
vfs_fallocate+0x48d/0xe10 fs/open.c:307
madvise_remove mm/madvise.c:925 [inline]
madvise_vma mm/madvise.c:987 [inline]
do_madvise.part.0+0xb60/0x2250 mm/madvise.c:1202
do_madvise mm/madvise.c:1228 [inline]
__do_sys_madvise mm/madvise.c:1228 [inline]
__se_sys_madvise mm/madvise.c:1226 [inline]
__x64_sys_madvise+0x113/0x150 mm/madvise.c:1226
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+0x44/0xae
RIP: 0033:0x7f25c688aae9
RSP: 002b:00007f25c3dbe188 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f25c699e0e0 RCX: 00007f25c688aae9
RDX: 0000000000000009 RSI: 0000000000004000 RDI: 00000000201ed000
RBP: 00007f25c68e4f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe977ac41f R14: 00007f25c3dbe300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by systemd/1:
1 lock held by khungtaskd/27:
#0: ffffffff8bb80ee0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6458
2 locks held by kworker/u4:2/49:
#0: ffff888010c74138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888010c74138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888010c74138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
#0: ffff888010c74138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline]
#0: ffff888010c74138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline]
#0: ffff888010c74138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x896/0x1690 kernel/workqueue.c:2269
#1: ffff8880b9c279c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x173/0x490 kernel/sched/psi.c:871
1 lock held by kswapd0/98:
1 lock held by kswapd1/99:
1 lock held by systemd-journal/2961:
2 locks held by in:imklog/6436:
#0: ffff888020be46b0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:990
#1: ffffffff8bca3480 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline]
#1: ffffffff8bca3480 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline]
#1: ffffffff8bca3480 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0xa1e/0x20d0 mm/page_alloc.c:5007
4 locks held by rs:main Q:Reg/6437:
1 lock held by cron/6432:
1 lock held by syz-fuzzer/6537:
1 lock held by syz-fuzzer/6552:
3 locks held by kworker/1:1/23311:
1 lock held by syz-executor.5/23338:
3 locks held by kworker/0:4/23357:
1 lock held by syz-executor.3/24859:
#0: ffff8880172dea08 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:828 [inline]
#0: ffff8880172dea08 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e2/0x420 block/fops.c:625
1 lock held by syz-executor.3/24903:
#0: ffff8880172dea08 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:828 [inline]
#0: ffff8880172dea08 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e2/0x420 block/fops.c:625
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:105
nmi_trigger_cpumask_backtrace+0x1ae/0x220 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
watchdog+0xc1d/0xf50 kernel/hung_task.c:295
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 6432 Comm: cron Not tainted 5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:hlock_class kernel/locking/lockdep.c:199 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4700 [inline]
RIP: 0010:__lock_acquire+0x3ee/0x54a0 kernel/locking/lockdep.c:4977
Code: 6c 24 10 be 08 00 00 00 81 e5 ff 1f 00 00 48 89 e8 48 c1 f8 06 48 8d 3c c5 00 9a f7 8f e8 2a 80 61 00 48 0f a3 2d 62 c6 9b 0e <0f> 83 f1 0c 00 00 48 8d 6c 6d 00 48 c1 e5 06 48 81 c5 20 9e f7 8f
RSP: 0018:ffffc9000b6cee30 EFLAGS: 00000047
RAX: 0000000000000001 RBX: ffff8880b9d35620 RCX: ffffffff815bd396
RDX: fffffbfff1fef341 RSI: 0000000000000008 RDI: ffffffff8ff79a00
RBP: 0000000000000021 R08: 0000000000000000 R09: ffffffff8ff79a07
R10: fffffbfff1fef340 R11: 0000000000000000 R12: ffff888025e4cc48
R13: ffff888025e4c1c0 R14: 0000000000040000 R15: 00000000000c0021
FS: 00007f15e55db840(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0ee28d07c0 CR3: 0000000019039000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire kernel/locking/lockdep.c:5637 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5602
local_lock_acquire include/linux/local_lock_internal.h:29 [inline]
free_unref_page_list+0x2e0/0xfa0 mm/page_alloc.c:3444
shrink_inactive_list mm/vmscan.c:2409 [inline]
shrink_list mm/vmscan.c:2621 [inline]
shrink_lruvec+0xe08/0x2660 mm/vmscan.c:2940
shrink_node_memcgs mm/vmscan.c:3129 [inline]
shrink_node+0x858/0x1eb0 mm/vmscan.c:3252
shrink_zones mm/vmscan.c:3485 [inline]
do_try_to_free_pages+0x4e2/0x1640 mm/vmscan.c:3541
try_to_free_pages+0x29f/0x750 mm/vmscan.c:3776
__perform_reclaim mm/page_alloc.c:4588 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline]
__alloc_pages_slowpath.constprop.0+0xac7/0x20d0 mm/page_alloc.c:5007
__alloc_pages+0x412/0x500 mm/page_alloc.c:5382
alloc_pages+0x1a7/0x300 mm/mempolicy.c:2191
folio_alloc+0x1c/0x70 mm/mempolicy.c:2201
filemap_alloc_folio+0x8e/0xb0 mm/filemap.c:1036
__page_cache_alloc include/linux/pagemap.h:358 [inline]
page_cache_ra_unbounded+0x36a/0x940 mm/readahead.c:215
do_page_cache_ra+0xf9/0x140 mm/readahead.c:268
do_sync_mmap_readahead mm/filemap.c:2996 [inline]
filemap_fault+0x1562/0x26d0 mm/filemap.c:3089
__do_fault+0x10d/0x4d0 mm/memory.c:3849
do_read_fault mm/memory.c:4164 [inline]
do_fault mm/memory.c:4293 [inline]
handle_pte_fault mm/memory.c:4551 [inline]
__handle_mm_fault+0x28e8/0x5120 mm/memory.c:4686
handle_mm_fault+0x1c8/0x790 mm/memory.c:4784
do_user_addr_fault+0x489/0x11c0 arch/x86/mm/fault.c:1397
handle_page_fault arch/x86/mm/fault.c:1485 [inline]
exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1541
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x562d75203373
Code: Unable to access opcode bytes at RIP 0x562d75203349.
RSP: 002b:00007ffe97a54050 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000000000003b RCX: 00007f15e4ca5270
RDX: 00007ffe97aee080 RSI: 00007ffe97a54020 RDI: 00007ffe97a54020
RBP: 00007ffe97a54050 R08: 0000000000000002 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe97a54170 R14: 0000000000000000 R15: 0000000000000000
----------------
Code disassembly (best guess):
0: 6c insb (%dx),%es:(%rdi)
1: 24 10 and $0x10,%al
3: be 08 00 00 00 mov $0x8,%esi
8: 81 e5 ff 1f 00 00 and $0x1fff,%ebp
e: 48 89 e8 mov %rbp,%rax
11: 48 c1 f8 06 sar $0x6,%rax
15: 48 8d 3c c5 00 9a f7 lea -0x70086600(,%rax,8),%rdi
1c: 8f
1d: e8 2a 80 61 00 callq 0x61804c
22: 48 0f a3 2d 62 c6 9b bt %rbp,0xe9bc662(%rip) # 0xe9bc68c
29: 0e
* 2a: 0f 83 f1 0c 00 00 jae 0xd21 <-- trapping instruction
30: 48 8d 6c 6d 00 lea 0x0(%rbp,%rbp,2),%rbp
35: 48 c1 e5 06 shl $0x6,%rbp
39: 48 81 c5 20 9e f7 8f add $0xffffffff8ff79e20,%rbp