INFO: task syz-executor.3:23232 blocked for more than 143 seconds.
Not tainted 6.4.0-rc7-syzkaller-00226-ga92b7d26c743 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:28448 pid:23232 ppid:5047 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804
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:820 [inline]
blk_ioctl_zeroout block/ioctl.c:182 [inline]
blkdev_common_ioctl+0xd8f/0x1a40 block/ioctl.c:486
blkdev_ioctl+0x2c8/0x7f0 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: 0033:0x7f2100c8c389
RSP: 002b:00007f2101a44168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f2100dabf80 RCX: 00007f2100c8c389
RDX: 0000000020000080 RSI: 000000000000127f RDI: 0000000000000004
RBP: 00007f2100cd7493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc5019ad7f R14: 00007f2101a44300 R15: 0000000000022000
INFO: task syz-executor.5:23236 blocked for more than 143 seconds.
Not tainted 6.4.0-rc7-syzkaller-00226-ga92b7d26c743 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:28448 pid:23236 ppid:5046 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804
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:820 [inline]
blk_ioctl_zeroout block/ioctl.c:182 [inline]
blkdev_common_ioctl+0xd8f/0x1a40 block/ioctl.c:486
blkdev_ioctl+0x2c8/0x7f0 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: 0033:0x7f780a68c389
RSP: 002b:00007f780b3e4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f780a7abf80 RCX: 00007f780a68c389
RDX: 0000000020000080 RSI: 000000000000127f RDI: 0000000000000003
RBP: 00007f780a6d7493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd0b8d9b8f R14: 00007f780b3e4300 R15: 0000000000022000
INFO: task syz-executor.0:23235 blocked for more than 144 seconds.
Not tainted 6.4.0-rc7-syzkaller-00226-ga92b7d26c743 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27880 pid:23235 ppid:5033 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804
rwsem_down_read_slowpath+0x57c/0xae0 kernel/locking/rwsem.c:1086
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0xf0/0x480 kernel/locking/rwsem.c:1522
filemap_invalidate_lock_shared include/linux/fs.h:830 [inline]
filemap_fault+0xbba/0x24c0 mm/filemap.c:3277
__do_fault+0x107/0x600 mm/memory.c:4176
do_read_fault mm/memory.c:4530 [inline]
do_fault mm/memory.c:4659 [inline]
do_pte_missing mm/memory.c:3647 [inline]
handle_pte_fault mm/memory.c:4947 [inline]
__handle_mm_fault+0x28bc/0x41c0 mm/memory.c:5089
handle_mm_fault+0x2af/0x9f0 mm/memory.c:5243
faultin_page mm/gup.c:925 [inline]
__get_user_pages+0x60a/0x10e0 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:3153 [inline]
vm_mmap_pgoff+0x2c2/0x3b0 mm/util.c:548
ksys_mmap_pgoff+0x41f/0x5a0 mm/mmap.c:1440
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: 0033:0x7f9cb188c389
RSP: 002b:00007f9cb257d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f9cb19abf80 RCX: 00007f9cb188c389
RDX: 0000000001000002 RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007f9cb18d7493 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc2ad4f7ef R14: 00007f9cb257d300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8c795530 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:518
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8c795230 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:518
1 lock held by khungtaskd/27:
#0: ffffffff8c796140 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6559
2 locks held by getty/4749:
#0: ffff88802b993098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900020382f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2176
2 locks held by syz-executor.1/23225:
1 lock held by syz-executor.1/23226:
1 lock held by syz-executor.3/23232:
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:820 [inline]
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:182 [inline]
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0xd8f/0x1a40 block/ioctl.c:486
1 lock held by syz-executor.5/23236:
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:820 [inline]
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:182 [inline]
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0xd8f/0x1a40 block/ioctl.c:486
2 locks held by syz-executor.0/23235:
#0: ffff88808cb27828 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:142 [inline]
#0: ffff88808cb27828 (&mm->mmap_lock){++++}-{3:3}, at: __mm_populate+0x228/0x3b0 mm/gup.c:1631
#1: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:830 [inline]
#1: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_fault+0xbba/0x24c0 mm/filemap.c:3277
1 lock held by syz-executor.1/23344:
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:830 [inline]
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x153/0x5e0 mm/readahead.c:226
1 lock held by syz-executor.1/23345:
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:830 [inline]
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x153/0x5e0 mm/readahead.c:226
1 lock held by syz-executor.3/23367:
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:820 [inline]
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:182 [inline]
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0xd8f/0x1a40 block/ioctl.c:486
1 lock held by syz-executor.0/23368:
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:830 [inline]
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x153/0x5e0 mm/readahead.c:226
1 lock held by syz-executor.0/23369:
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:830 [inline]
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x153/0x5e0 mm/readahead.c:226
1 lock held by syz-executor.5/23372:
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:820 [inline]
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:182 [inline]
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0xd8f/0x1a40 block/ioctl.c:486
1 lock held by syz-executor.1/23450:
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:830 [inline]
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x153/0x5e0 mm/readahead.c:226
1 lock held by syz-executor.1/23451:
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:830 [inline]
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x153/0x5e0 mm/readahead.c:226
1 lock held by syz-executor.3/23467:
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:820 [inline]
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:182 [inline]
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0xd8f/0x1a40 block/ioctl.c:486
1 lock held by syz-executor.0/23476:
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:830 [inline]
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x153/0x5e0 mm/readahead.c:226
1 lock held by syz-executor.0/23477:
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:830 [inline]
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x153/0x5e0 mm/readahead.c:226
1 lock held by syz-executor.5/23480:
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:820 [inline]
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blk_ioctl_zeroout block/ioctl.c:182 [inline]
#0: ffff88801df02cb0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0xd8f/0x1a40 block/ioctl.c:486
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 6.4.0-rc7-syzkaller-00226-ga92b7d26c743 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
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+0x344/0x440 kernel/kthread.c:379
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: 5405 Comm: kworker/u4:7 Not tainted 6.4.0-rc7-syzkaller-00226-ga92b7d26c743 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:84 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:102 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:178 [inline]
RIP: 0010:kasan_check_range+0xcc/0x190 mm/kasan/generic.c:187
Code: 38 00 74 ed 48 8d 50 08 eb 09 48 83 c0 01 48 39 d0 74 7a 80 38 00 74 f2 48 89 c2 b8 01 00 00 00 48 85 d2 75 56 5b 5d 41 5c c3 <48> 85 d2 74 5e 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 50 80 38 00
RSP: 0018:ffffc900034bfab0 EFLAGS: 00000283
RAX: fffffbfff1cf3a62 RBX: fffffbfff1cf3a63 RCX: ffffffff816509a5
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffffff8e79d310
RBP: fffffbfff1cf3a62 R08: 0000000000000000 R09: ffffffff8e79d317
R10: fffffbfff1cf3a62 R11: 000000003eebce57 R12: ffffffff8c796140
R13: dffffc0000000000 R14: ffff8880b4470c80 R15: 0000000000000046
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555b1c848 CR3: 0000000098421000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000003b DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
instrument_atomic_read include/linux/instrumented.h:68 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
cpumask_test_cpu include/linux/cpumask.h:504 [inline]
cpu_online include/linux/cpumask.h:1082 [inline]
trace_lock_release include/trace/events/lock.h:69 [inline]
lock_release+0xa5/0x670 kernel/locking/lockdep.c:5716
rcu_lock_release include/linux/rcupdate.h:332 [inline]
rcu_read_unlock include/linux/rcupdate.h:806 [inline]
batadv_iv_ogm_slide_own_bcast_window net/batman-adv/bat_iv_ogm.c:771 [inline]
batadv_iv_ogm_schedule_buff+0x773/0x1520 net/batman-adv/bat_iv_ogm.c:825
batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:868 [inline]
batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:861 [inline]
batadv_iv_send_outstanding_bat_ogm_packet+0x333/0x960 net/batman-adv/bat_iv_ogm.c:1712
process_one_work+0x99a/0x15e0 kernel/workqueue.c:2408
worker_thread+0x67d/0x10c0 kernel/workqueue.c:2555
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308