INFO: task syz-executor.2:11573 blocked for more than 143 seconds.
Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:28600 pid:11573 tgid:11566 ppid:5082 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x1781/0x49d0 kernel/sched/core.c:6736
__schedule_loop kernel/sched/core.c:6813 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6828
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6885
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306
filemap_invalidate_lock include/linux/fs.h:838 [inline]
blkdev_fallocate+0x233/0x550 block/fops.c:797
vfs_fallocate+0x564/0x6c0 fs/open.c:330
ksys_fallocate fs/open.c:353 [inline]
__do_sys_fallocate fs/open.c:361 [inline]
__se_sys_fallocate fs/open.c:359 [inline]
__x64_sys_fallocate+0xbd/0x110 fs/open.c:359
do_syscall_64+0xfb/0x240
entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f089667dda9
RSP: 002b:00007f08974260c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f08967ac120 RCX: 00007f089667dda9
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 000000000000000a
RBP: 00007f08966ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000052000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f08967ac120 R15: 00007ffffb162588
Showing all locks held in the system:
2 locks held by kworker/u8:1/11:
1 lock held by khungtaskd/29:
#0: ffffffff8e132020 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
#0: ffffffff8e132020 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
#0: ffffffff8e132020 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
2 locks held by getty/4812:
#0: ffff88802ecb90a0 (&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+0x6b5/0x1e10 drivers/tty/n_tty.c:2201
1 lock held by syz-executor.0/11104:
1 lock held by syz-executor.2/11573:
#0: ffff88801d0ac2c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:838 [inline]
#0: ffff88801d0ac2c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x233/0x550 block/fops.c:797
1 lock held by syz-executor.0/13483:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
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+0xfb0/0xff0 kernel/hung_task.c:379
kthread+0x2f0/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 11104 Comm: syz-executor.0 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:hlock_class kernel/locking/lockdep.c:228 [inline]
RIP: 0010:__lock_acquire+0x126d/0x1fd0 kernel/locking/lockdep.c:5134
Code: 10 8b 18 81 e3 ff 1f 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 00 e5 ca 92 be 08 00 00 00 e8 6b 46 83 00 48 0f a3 1d a3 33 59 11 <73> 1d 48 69 c3 c8 00 00 00 48 8d 98 00 44 99 92 48 ba 00 00 00 00
RSP: 0018:ffffc90000007610 EFLAGS: 00000057
RAX: 0000000000000001 RBX: 0000000000000021 RCX: ffffffff8171b155
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff92cae500
RBP: 58cce5e7c8d5ebdc R08: ffffffff92cae507 R09: 1ffffffff2595ca0
R10: dffffc0000000000 R11: fffffbfff2595ca1 R12: ffff8880644b1e00
R13: ffff8880644b1e00 R14: 0000000000000001 R15: ffff8880644b1e00
FS: 00007f5ab3ded6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc00918238 CR3: 000000005fbd2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754
rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
rcu_read_lock include/linux/rcupdate.h:750 [inline]
advance_sched+0xa1e/0xca0 net/sched/sch_taprio.c:985
__run_hrtimer kernel/time/hrtimer.c:1692 [inline]
__hrtimer_run_queues+0x595/0xd00 kernel/time/hrtimer.c:1756
hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1818
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
__sysvec_apic_timer_interrupt+0x107/0x3a0 arch/x86/kernel/apic/apic.c:1049
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 da 67 fb f5 48 89 df e8 92 a7 fc f5 e8 fd cc 25 f6 fb bf 01 00 00 00 22 94 ee f5 65 8b 05 33 79 8d 74 85 c0 74 06 5b c3 cc cc cc cc
RSP: 0018:ffffc90000007cb0 EFLAGS: 00000282
RAX: e3a1c607ce7a2400 RBX: ffff8880b942a740 RCX: ffffffff81720b2a
RDX: dffffc0000000000 RSI: ffffffff8baac1e0 RDI: 0000000000000001
RBP: ffffc90000007e10 R08: ffffffff92cae5b7 R09: 1ffffffff2595cb6
R10: dffffc0000000000 R11: fffffbfff2595cb7 R12: ffff8880b942a788
R13: ffffc90000007d60 R14: dffffc0000000000 R15: 00000001000077dd
__run_timer_base+0x1c0/0x8e0 kernel/time/timer.c:2420
run_timer_base kernel/time/timer.c:2428 [inline]
run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2438
__do_softirq+0x2bc/0x943 kernel/softirq.c:554
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633
irq_exit_rcu+0x9/0x30 kernel/softirq.c:645
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 da 67 fb f5 48 89 df e8 92 a7 fc f5 e8 fd cc 25 f6 fb bf 01 00 00 00 22 94 ee f5 65 8b 05 33 79 8d 74 85 c0 74 06 5b c3 cc cc cc cc
RSP: 0018:ffffc9000504e410 EFLAGS: 00000282
RAX: e3a1c607ce7a2400 RBX: ffff88804a89c050 RCX: ffffffff81720b2a
RDX: dffffc0000000000 RSI: ffffffff8baac1e0 RDI: 0000000000000001
RBP: ffffc9000504e7e0 R08: ffffffff92cae5b7 R09: 1ffffffff2595cb6
R10: dffffc0000000000 R11: fffffbfff2595cb7 R12: 0000000000000000
R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000020
spin_unlock_irq include/linux/spinlock.h:401 [inline]
shrink_inactive_list mm/vmscan.c:1925 [inline]
shrink_list mm/vmscan.c:2155 [inline]
shrink_lruvec+0x1838/0x2d40 mm/vmscan.c:5681
shrink_node_memcgs mm/vmscan.c:5867 [inline]
shrink_node+0x11a8/0x2960 mm/vmscan.c:5902
shrink_zones mm/vmscan.c:6144 [inline]
do_try_to_free_pages+0x67f/0x19d0 mm/vmscan.c:6206
try_to_free_mem_cgroup_pages+0x456/0xa70 mm/vmscan.c:6521
try_charge_memcg+0x6da/0x18a0 mm/memcontrol.c:2782
try_charge mm/memcontrol.c:2930 [inline]
charge_memcg+0xa2/0x160 mm/memcontrol.c:7276
__mem_cgroup_charge+0x27/0x80 mm/memcontrol.c:7291
mem_cgroup_charge include/linux/memcontrol.h:690 [inline]
__filemap_add_folio+0x3e6/0x1a60 mm/filemap.c:864
filemap_add_folio+0x11e/0x570 mm/filemap.c:947
page_cache_ra_unbounded+0x211/0x7c0 mm/readahead.c:250
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+0x27f/0x770 mm/memory.c:5470
faultin_page mm/gup.c:958 [inline]
__get_user_pages+0x6be/0x1600 mm/gup.c:1241
populate_vma_page_range+0x2aa/0x380 mm/gup.c:1679
__mm_populate+0x27a/0x460 mm/gup.c:1788
mm_populate include/linux/mm.h:3391 [inline]
vm_mmap_pgoff+0x305/0x420 mm/util.c:578
ksys_mmap_pgoff+0x504/0x6e0 mm/mmap.c:1433
do_syscall_64+0xfb/0x240
entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f5ab307dda9
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:00007f5ab3ded0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f5ab31ac120 RCX: 00007f5ab307dda9
RDX: 0000000001000002 RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007f5ab30ca47a R08: 0000000000000008 R09: 0000000000000000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f5ab31ac120 R15: 00007fffae069c18