INFO: task syz-executor.2:18488 blocked for more than 143 seconds.
Not tainted 6.3.0-rc2-syzkaller-00235-g8d3c682a5e3d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:28312 pid:18488 ppid:5109 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5304 [inline]
__schedule+0xc91/0x5770 kernel/sched/core.c:6622
schedule+0xde/0x1a0 kernel/sched/core.c:6698
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6757
rwsem_down_read_slowpath kernel/locking/rwsem.c:1086 [inline]
__down_read_common+0x7df/0xf30 kernel/locking/rwsem.c:1250
filemap_invalidate_lock_shared include/linux/fs.h:813 [inline]
filemap_fault+0xb99/0x2450 mm/filemap.c:3274
__do_fault+0x107/0x600 mm/memory.c:4141
do_shared_fault mm/memory.c:4547 [inline]
do_fault mm/memory.c:4625 [inline]
handle_pte_fault mm/memory.c:4909 [inline]
__handle_mm_fault+0x21c2/0x3e60 mm/memory.c:5051
handle_mm_fault+0x2ba/0x9c0 mm/memory.c:5197
do_user_addr_fault+0x475/0x1230 arch/x86/mm/fault.c:1407
handle_page_fault arch/x86/mm/fault.c:1498 [inline]
exc_page_fault+0x98/0x170 arch/x86/mm/fault.c:1554
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7f23a1c86c46
RSP: 002b:00007ffdedeb3108 EFLAGS: 00010246
RAX: 0000000020000180 RBX: 0000000000000000 RCX: 0070616d65676170
RDX: 0000000000000008 RSI: 0070616d65676170 RDI: 0000000020000180
RBP: 00007ffdedeb31c8 R08: 00007f23a1c00000 R09: 00007f23a1800000
R10: 00007f23a18001b8 R11: 0000000000067ada R12: 0000000000213d3c
R13: 00007ffdedeb31f0 R14: 00007ffdedeb3210 R15: 0000000000000032
INFO: task syz-executor.5:18490 blocked for more than 143 seconds.
Not tainted 6.3.0-rc2-syzkaller-00235-g8d3c682a5e3d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:28760 pid:18490 ppid:5122 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5304 [inline]
__schedule+0xc91/0x5770 kernel/sched/core.c:6622
schedule+0xde/0x1a0 kernel/sched/core.c:6698
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6757
rwsem_down_write_slowpath+0x3e2/0x1220 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write+0x1d2/0x200 kernel/locking/rwsem.c:1574
filemap_invalidate_lock include/linux/fs.h:803 [inline]
blk_ioctl_zeroout block/ioctl.c:182 [inline]
blkdev_common_ioctl+0xdbb/0x1a90 block/ioctl.c:486
blkdev_ioctl+0x2c2/0x800 block/ioctl.c:609
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7efef3e8c0f9
RSP: 002b:00007efef4c73168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007efef3fabf80 RCX: 00007efef3e8c0f9
RDX: 0000000020000080 RSI: 000000000000127f RDI: 0000000000000005
RBP: 00007efef3ee7b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd58ed9e3f R14: 00007efef4c73300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/11:
#0: ffffffff8c791bb0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:510
1 lock held by rcu_tasks_trace/12:
#0: ffffffff8c7918b0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:510
1 lock held by khungtaskd/27:
#0: ffffffff8c792700 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6495
2 locks held by getty/4749:
#0: ffff888027c8f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc900020282f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2177
2 locks held by kworker/u4:11/31318:
2 locks held by syz-executor.2/18488:
#0: ffff888039e47718 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline]
#0: ffff888039e47718 (&mm->mmap_lock){++++}-{3:3}, at: do_user_addr_fault+0x276/0x1230 arch/x86/mm/fault.c:1348
#1: ffff88814460bac0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:813 [inline]
#1: ffff88814460bac0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_fault+0xb99/0x2450 mm/filemap.c:3274
1 lock held by syz-executor.2/18491:
1 lock held by syz-executor.5/18490:
#0: ffff88814460bac0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:803 [inline]
#0: ffff88814460bac0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:182 [inline]
#0: ffff88814460bac0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0xdbb/0x1a90 block/ioctl.c:486
1 lock held by syz-executor.5/18879:
#0: ffff88814460bac0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:803 [inline]
#0: ffff88814460bac0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:182 [inline]
#0: ffff88814460bac0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0xdbb/0x1a90 block/ioctl.c:486
1 lock held by syz-executor.3/18903:
#0: ffff88814460bac0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:803 [inline]
#0: ffff88814460bac0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:182 [inline]
#0: ffff88814460bac0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0xdbb/0x1a90 block/ioctl.c:486
1 lock held by syz-executor.4/19095:
#0: ffff88814460bac0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:803 [inline]
#0: ffff88814460bac0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:182 [inline]
#0: ffff88814460bac0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0xdbb/0x1a90 block/ioctl.c:486
1 lock held by syz-executor.5/19143:
#0: ffff88814460bac0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:803 [inline]
#0: ffff88814460bac0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:182 [inline]
#0: ffff88814460bac0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0xdbb/0x1a90 block/ioctl.c:486
1 lock held by syz-executor.3/19146:
#0: ffff88814460bac0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:803 [inline]
#0: ffff88814460bac0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:182 [inline]
#0: ffff88814460bac0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0xdbb/0x1a90 block/ioctl.c:486
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 6.3.0-rc2-syzkaller-00235-g8d3c682a5e3d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
nmi_cpu_backtrace+0x29c/0x350 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x2a4/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xe16/0x1090 kernel/hung_task.c:379
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 18491 Comm: syz-executor.2 Not tainted 6.3.0-rc2-syzkaller-00235-g8d3c682a5e3d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:constant_test_bit arch/x86/include/asm/bitops.h:207 [inline]
RIP: 0010:arch_test_bit arch/x86/include/asm/bitops.h:239 [inline]
RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:142 [inline]
RIP: 0010:folio_test_head include/linux/page-flags.h:781 [inline]
RIP: 0010:folio_test_large include/linux/page-flags.h:802 [inline]
RIP: 0010:folio_nr_pages include/linux/mm.h:1841 [inline]
RIP: 0010:scan_folios mm/vmscan.c:4953 [inline]
RIP: 0010:isolate_folios+0xbed/0x3830 mm/vmscan.c:5078
Code: 20 4d 8d 74 24 f8 4c 89 f7 e8 7f 90 fe ff be 08 00 00 00 48 89 c3 48 89 c7 e8 8f 53 1e 00 48 89 d8 48 c1 e8 03 42 80 3c 38 00 <0f> 85 f8 22 00 00 48 8b 1b 31 ff 48 c1 eb 10 83 e3 01 89 de e8 5a
RSP: 0018:ffffc900045f6748 EFLAGS: 00000046
RAX: 1ffffd40004ca928 RBX: ffffea0002654940 RCX: ffffffff81b3d541
RDX: fffff940004ca929 RSI: 0000000000000008 RDI: ffffea0002654940
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffea0002654947
R10: fffff940004ca928 R11: 0000000000000000 R12: ffffea0002654948
R13: 0000000000000001 R14: ffffea0002654940 R15: dffffc0000000000
FS: 00007f23a29e7700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c00bcf7b18 CR3: 0000000022aca000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
evict_folios+0x191/0x1940 mm/vmscan.c:5109
try_to_shrink_lruvec+0x82c/0xb90 mm/vmscan.c:5297
lru_gen_shrink_lruvec mm/vmscan.c:5435 [inline]
shrink_lruvec+0x216/0x2810 mm/vmscan.c:6216
shrink_node_memcgs mm/vmscan.c:6437 [inline]
shrink_node+0x78e/0x35f0 mm/vmscan.c:6473
shrink_zones mm/vmscan.c:6711 [inline]
do_try_to_free_pages+0x3b4/0x17b0 mm/vmscan.c:6773
try_to_free_mem_cgroup_pages+0x368/0x840 mm/vmscan.c:7088
try_charge_memcg+0x507/0x13b0 mm/memcontrol.c:2695
try_charge mm/memcontrol.c:2837 [inline]
charge_memcg+0x90/0x3b0 mm/memcontrol.c:6960
__mem_cgroup_charge+0x2b/0x90 mm/memcontrol.c:6981
mem_cgroup_charge include/linux/memcontrol.h:678 [inline]
__filemap_add_folio+0x615/0xe60 mm/filemap.c:857
filemap_add_folio+0xaf/0x1e0 mm/filemap.c:939
page_cache_ra_unbounded+0x1d2/0x5e0 mm/readahead.c:251
do_page_cache_ra mm/readahead.c:300 [inline]
page_cache_ra_order+0x6ec/0xa00 mm/readahead.c:560
do_sync_mmap_readahead mm/filemap.c:3190 [inline]
filemap_fault+0x152d/0x2450 mm/filemap.c:3282
__do_fault+0x107/0x600 mm/memory.c:4141
do_read_fault mm/memory.c:4492 [inline]
do_fault mm/memory.c:4621 [inline]
handle_pte_fault mm/memory.c:4909 [inline]
__handle_mm_fault+0x24f3/0x3e60 mm/memory.c:5051
handle_mm_fault+0x2ba/0x9c0 mm/memory.c:5197
faultin_page mm/gup.c:925 [inline]
__get_user_pages+0x4da/0xf30 mm/gup.c:1147
populate_vma_page_range+0x2df/0x420 mm/gup.c:1543
__mm_populate+0x105/0x3b0 mm/gup.c:1652
mm_populate include/linux/mm.h:3026 [inline]
vm_mmap_pgoff+0x201/0x280 mm/util.c:547
ksys_mmap_pgoff+0x41f/0x5a0 mm/mmap.c:1410
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f23a1c8c0f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f23a29e7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f23a1dabf80 RCX: 00007f23a1c8c0f9
RDX: 0000000001000002 RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007f23a1ce7b39 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdedeb308f R14: 00007f23a29e7300 R15: 0000000000022000