INFO: task syz-executor.0:19412 blocked for more than 143 seconds.
Not tainted 5.19.0-rc4-syzkaller-00036-gd9b2ba67917c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28184 pid:19412 ppid: 3645 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0xa00/0x4b50 kernel/sched/core.c:6458
schedule+0xd2/0x1f0 kernel/sched/core.c:6530
rwsem_down_write_slowpath+0x68a/0x11a0 kernel/locking/rwsem.c:1172
__down_write_common kernel/locking/rwsem.c:1287 [inline]
__down_write_common kernel/locking/rwsem.c:1284 [inline]
__down_write kernel/locking/rwsem.c:1296 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1543
filemap_invalidate_lock include/linux/fs.h:786 [inline]
blkdev_fallocate+0x1e2/0x410 block/fops.c:637
vfs_fallocate+0x487/0xe00 fs/open.c:323
madvise_remove mm/madvise.c:976 [inline]
madvise_vma_behavior+0x9b9/0x1d50 mm/madvise.c:1000
madvise_walk_vmas+0x1d5/0x2d0 mm/madvise.c:1232
do_madvise mm/madvise.c:1410 [inline]
do_madvise+0x2d4/0x3c0 mm/madvise.c:1368
__do_sys_madvise mm/madvise.c:1423 [inline]
__se_sys_madvise mm/madvise.c:1421 [inline]
__x64_sys_madvise+0xa6/0x110 mm/madvise.c:1421
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+0x46/0xb0
RIP: 0033:0x7fcf7ba89109
RSP: 002b:00007fcf7cb1f168 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007fcf7bb9c030 RCX: 00007fcf7ba89109
RDX: 0000000000000009 RSI: 0000000000600003 RDI: 0000000020000000
RBP: 00007fcf7bae305d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd15b116cf R14: 00007fcf7cb1f300 R15: 0000000000022000
INFO: task syz-executor.1:19430 blocked for more than 143 seconds.
Not tainted 5.19.0-rc4-syzkaller-00036-gd9b2ba67917c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:28704 pid:19430 ppid: 3642 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0xa00/0x4b50 kernel/sched/core.c:6458
schedule+0xd2/0x1f0 kernel/sched/core.c:6530
rwsem_down_read_slowpath+0x5b9/0xb00 kernel/locking/rwsem.c:1077
__down_read_common kernel/locking/rwsem.c:1242 [inline]
__down_read kernel/locking/rwsem.c:1251 [inline]
down_read+0xe2/0x440 kernel/locking/rwsem.c:1491
filemap_invalidate_lock_shared include/linux/fs.h:796 [inline]
filemap_fault+0xba1/0x24e0 mm/filemap.c:3140
__do_fault+0x10d/0x650 mm/memory.c:4165
do_read_fault mm/memory.c:4511 [inline]
do_fault mm/memory.c:4640 [inline]
handle_pte_fault mm/memory.c:4903 [inline]
__handle_mm_fault+0x2739/0x3f50 mm/memory.c:5042
handle_mm_fault+0x1c8/0x790 mm/memory.c:5140
faultin_page mm/gup.c:953 [inline]
__get_user_pages+0x50c/0xfa0 mm/gup.c:1174
populate_vma_page_range+0x23d/0x320 mm/gup.c:1518
__mm_populate+0x1ea/0x3e0 mm/gup.c:1631
mm_populate include/linux/mm.h:2706 [inline]
vm_mmap_pgoff+0x20e/0x290 mm/util.c:557
ksys_mmap_pgoff+0x40d/0x5a0 mm/mmap.c:1633
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+0x46/0xb0
RIP: 0033:0x7f2258a89109
RSP: 002b:00007f2259bc7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f2258b9bf60 RCX: 00007f2258a89109
RDX: 0000000001000006 RSI: 0000000000b34900 RDI: 0000000020000000
RBP: 00007f2258ae305d R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcfea55d2f R14: 00007f2259bc7300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/28:
#0: ffffffff8bd83b60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6491
2 locks held by getty/3290:
#0: ffff88807f070098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90001c282e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xe50/0x13c0 drivers/tty/n_tty.c:2124
3 locks held by syz-executor.0/19390:
1 lock held by syz-executor.0/19412:
#0: ffff88801b7dc900 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:786 [inline]
#0: ffff88801b7dc900 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e2/0x410 block/fops.c:637
2 locks held by syz-executor.1/19430:
#0: ffff88807cc6e128 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:117 [inline]
#0: ffff88807cc6e128 (&mm->mmap_lock#2){++++}-{3:3}, at: __mm_populate+0x264/0x3e0 mm/gup.c:1611
#1: ffff88801b7dc900 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:796 [inline]
#1: ffff88801b7dc900 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_fault+0xba1/0x24e0 mm/filemap.c:3140
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 5.19.0-rc4-syzkaller-00036-gd9b2ba67917c #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:111
nmi_trigger_cpumask_backtrace+0x1e6/0x230 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
watchdog+0xc1d/0xf50 kernel/hung_task.c:369
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4925 Comm: kworker/u4:18 Not tainted 5.19.0-rc4-syzkaller-00036-gd9b2ba67917c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_tt_purge
RIP: 0010:hlock_class kernel/locking/lockdep.c:227 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4727 [inline]
RIP: 0010:__lock_acquire+0x3f3/0x5660 kernel/locking/lockdep.c:5003
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 b9 67 90 e8 65 9f 68 00 48 0f a3 2d 5d 9a 0a 0f <0f> 83 fe 0c 00 00 48 8d 6c 6d 00 48 c1 e5 06 48 81 c5 20 bd 67 90
RSP: 0018:ffffc90003a0fa40 EFLAGS: 00000047
RAX: 0000000000000001 RBX: ffff888087f0e098 RCX: ffffffff815d1e9b
RDX: fffffbfff20cf740 RSI: 0000000000000008 RDI: ffffffff9067b9f8
RBP: 00000000000007c8 R08: 0000000000000000 R09: ffffffff9067b9ff
R10: fffffbfff20cf73f R11: 0000000000000001 R12: ffff88803b47cc30
R13: ffff88803b47c180 R14: 0000000000040000 R15: 00000000000407c8
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c02459af88 CR3: 000000000ba8e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire kernel/locking/lockdep.c:5665 [inline]
lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5630
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
_raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:178
spin_lock_bh include/linux/spinlock.h:354 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2280 [inline]
batadv_tt_purge+0x123/0xaf0 net/batman-adv/translation-table.c:3562
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
----------------
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 b9 67 lea -0x6f984700(,%rax,8),%rdi
1c: 90
1d: e8 65 9f 68 00 callq 0x689f87
22: 48 0f a3 2d 5d 9a 0a bt %rbp,0xf0a9a5d(%rip) # 0xf0a9a87
29: 0f
* 2a: 0f 83 fe 0c 00 00 jae 0xd2e <-- 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 bd 67 90 add $0xffffffff9067bd20,%rbp