INFO: task syz-executor.1:13841 blocked for more than 143 seconds.
Not tainted 5.19.0-rc4-syzkaller-00014-g941e3e791269 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:25336 pid:13841 ppid: 3641 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0x957/0xe20 kernel/sched/core.c:6458
schedule+0xeb/0x1b0 kernel/sched/core.c:6530
rwsem_down_read_slowpath+0x5ce/0x8f0 kernel/locking/rwsem.c:1077
__down_read_common+0x54/0x2a0 kernel/locking/rwsem.c:1242
filemap_invalidate_lock_shared include/linux/fs.h:796 [inline]
filemap_fault+0x4b6/0xf20 mm/filemap.c:3155
__do_fault+0x139/0x4f0 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 mm/memory.c:5042 [inline]
handle_mm_fault+0x2c1c/0x3f20 mm/memory.c:5140
faultin_page mm/gup.c:953 [inline]
__get_user_pages+0x511/0x1170 mm/gup.c:1174
populate_vma_page_range+0x216/0x2b0 mm/gup.c:1518
__mm_populate+0x2ea/0x4d0 mm/gup.c:1631
mm_populate include/linux/mm.h:2706 [inline]
vm_mmap_pgoff+0x241/0x2f0 mm/util.c:557
ksys_mmap_pgoff+0x48c/0x6d0 mm/mmap.c:1633
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f179d489109
RSP: 002b:00007f179e581168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f179d59bf60 RCX: 00007f179d489109
RDX: 0000000001000006 RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007f179d4e305d R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe7a007bef R14: 00007f179e581300 R15: 0000000000022000
INFO: task syz-executor.5:13853 blocked for more than 143 seconds.
Not tainted 5.19.0-rc4-syzkaller-00014-g941e3e791269 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:25208 pid:13853 ppid: 3644 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0x957/0xe20 kernel/sched/core.c:6458
schedule+0xeb/0x1b0 kernel/sched/core.c:6530
rwsem_down_read_slowpath+0x5ce/0x8f0 kernel/locking/rwsem.c:1077
__down_read_common+0x54/0x2a0 kernel/locking/rwsem.c:1242
filemap_invalidate_lock_shared include/linux/fs.h:796 [inline]
filemap_fault+0x2c4/0xf20 mm/filemap.c:3140
__do_fault+0x139/0x4f0 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 mm/memory.c:5042 [inline]
handle_mm_fault+0x2c1c/0x3f20 mm/memory.c:5140
faultin_page mm/gup.c:953 [inline]
__get_user_pages+0x511/0x1170 mm/gup.c:1174
populate_vma_page_range+0x216/0x2b0 mm/gup.c:1518
__mm_populate+0x2ea/0x4d0 mm/gup.c:1631
mm_populate include/linux/mm.h:2706 [inline]
vm_mmap_pgoff+0x241/0x2f0 mm/util.c:557
ksys_mmap_pgoff+0x48c/0x6d0 mm/mmap.c:1633
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7fdda5e89109
RSP: 002b:00007fdda7062168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fdda5f9bf60 RCX: 00007fdda5e89109
RDX: 0000000001000006 RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007fdda5ee305d R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc3e19ca8f R14: 00007fdda7062300 R15: 0000000000022000
INFO: task syz-executor.0:13865 blocked for more than 144 seconds.
Not tainted 5.19.0-rc4-syzkaller-00014-g941e3e791269 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:26872 pid:13865 ppid: 3639 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0x957/0xe20 kernel/sched/core.c:6458
schedule+0xeb/0x1b0 kernel/sched/core.c:6530
rwsem_down_read_slowpath+0x5ce/0x8f0 kernel/locking/rwsem.c:1077
__down_read_common+0x54/0x2a0 kernel/locking/rwsem.c:1242
filemap_invalidate_lock_shared include/linux/fs.h:796 [inline]
page_cache_ra_unbounded+0xf0/0x640 mm/readahead.c:220
do_sync_mmap_readahead+0x76d/0x960 mm/filemap.c:3056
filemap_fault+0x349/0xf20 mm/filemap.c:3148
__do_fault+0x139/0x4f0 mm/memory.c:4165
do_shared_fault mm/memory.c:4566 [inline]
do_fault mm/memory.c:4644 [inline]
handle_pte_fault mm/memory.c:4903 [inline]
__handle_mm_fault mm/memory.c:5042 [inline]
handle_mm_fault+0x228f/0x3f20 mm/memory.c:5140
do_user_addr_fault+0x6ae/0xca0 arch/x86/mm/fault.c:1397
handle_page_fault arch/x86/mm/fault.c:1484 [inline]
exc_page_fault+0x7a/0x120 arch/x86/mm/fault.c:1540
asm_exc_page_fault+0x27/0x30
RIP: 0033:0x7f4574684516
RSP: 002b:00007ffe18863768 EFLAGS: 00010202
RAX: 0000000020000000 RBX: 0000000000000000 RCX: 006578652f666c65
RDX: 000000000000000f RSI: 65732f636f72702f RDI: 0000000020000000
RBP: 00007ffe18863828 R08: 00007f4574ba0000 R09: 00007f45747a0540
R10: 00007ffe1893f0b8 R11: 000000000001f59e R12: 000000000009f9a2
R13: 00007ffe18863850 R14: 00007ffe18863870 R15: 0000000000000032
INFO: task syz-executor.0:13875 blocked for more than 144 seconds.
Not tainted 5.19.0-rc4-syzkaller-00014-g941e3e791269 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28600 pid:13875 ppid: 3639 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0x957/0xe20 kernel/sched/core.c:6458
schedule+0xeb/0x1b0 kernel/sched/core.c:6530
rwsem_down_write_slowpath+0xe21/0x1370 kernel/locking/rwsem.c:1172
__down_write_common kernel/locking/rwsem.c:1287 [inline]
__down_write kernel/locking/rwsem.c:1296 [inline]
down_write+0x163/0x170 kernel/locking/rwsem.c:1543
filemap_invalidate_lock include/linux/fs.h:786 [inline]
blkdev_fallocate+0x21f/0x390 block/fops.c:637
vfs_fallocate+0x515/0x670 fs/open.c:323
madvise_remove+0x221/0x290 mm/madvise.c:976
madvise_vma_behavior mm/madvise.c:1000 [inline]
madvise_walk_vmas mm/madvise.c:1232 [inline]
do_madvise+0x7f5/0x1490 mm/madvise.c:1410
__do_sys_madvise mm/madvise.c:1423 [inline]
__se_sys_madvise mm/madvise.c:1421 [inline]
__x64_sys_madvise+0xa2/0xb0 mm/madvise.c:1421
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f4574689109
RSP: 002b:00007f45735fe168 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f457479c030 RCX: 00007f4574689109
RDX: 0000000000000009 RSI: 0000000000600003 RDI: 0000000020000000
RBP: 00007f45746e305d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe188636ef R14: 00007f45735fe300 R15: 0000000000022000
INFO: task syz-executor.2:13877 blocked for more than 144 seconds.
Not tainted 5.19.0-rc4-syzkaller-00014-g941e3e791269 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:25400 pid:13877 ppid: 3640 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0x957/0xe20 kernel/sched/core.c:6458
schedule+0xeb/0x1b0 kernel/sched/core.c:6530
rwsem_down_read_slowpath+0x5ce/0x8f0 kernel/locking/rwsem.c:1077
__down_read_common+0x54/0x2a0 kernel/locking/rwsem.c:1242
filemap_invalidate_lock_shared include/linux/fs.h:796 [inline]
filemap_fault+0x2c4/0xf20 mm/filemap.c:3140
__do_fault+0x139/0x4f0 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 mm/memory.c:5042 [inline]
handle_mm_fault+0x2c1c/0x3f20 mm/memory.c:5140
faultin_page mm/gup.c:953 [inline]
__get_user_pages+0x511/0x1170 mm/gup.c:1174
populate_vma_page_range+0x216/0x2b0 mm/gup.c:1518
__mm_populate+0x2ea/0x4d0 mm/gup.c:1631
mm_populate include/linux/mm.h:2706 [inline]
vm_mmap_pgoff+0x241/0x2f0 mm/util.c:557
ksys_mmap_pgoff+0x48c/0x6d0 mm/mmap.c:1633
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f4924c89109
RSP: 002b:00007f4925eba168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f4924d9bf60 RCX: 00007f4924c89109
RDX: 0000000001000006 RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007f4924ce305d R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffef34c587f R14: 00007f4925eba300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/28:
#0: ffffffff8cb1e820 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/3293:
#0: ffff888026bdb098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc90002d162e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6e8/0x1e50 drivers/tty/n_tty.c:2124
2 locks held by syz-executor.1/13841:
#0: ffff88807e9ea428 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:117 [inline]
#0: ffff88807e9ea428 (&mm->mmap_lock#2){++++}-{3:3}, at: __mm_populate+0x1a9/0x4d0 mm/gup.c:1611
#1: ffff888140c993c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:796 [inline]
#1: ffff888140c993c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_fault+0x4b6/0xf20 mm/filemap.c:3155
2 locks held by syz-executor.5/13853:
#0: ffff88807e9ec028 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:117 [inline]
#0: ffff88807e9ec028 (&mm->mmap_lock#2){++++}-{3:3}, at: __mm_populate+0x1a9/0x4d0 mm/gup.c:1611
#1: ffff888140c993c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:796 [inline]
#1: ffff888140c993c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_fault+0x2c4/0xf20 mm/filemap.c:3140
1 lock held by syz-executor.0/13865:
#0: ffff888140c993c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:796 [inline]
#0: ffff888140c993c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0xf0/0x640 mm/readahead.c:220
1 lock held by syz-executor.0/13870:
1 lock held by syz-executor.0/13875:
#0: ffff888140c993c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:786 [inline]
#0: ffff888140c993c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x21f/0x390 block/fops.c:637
2 locks held by syz-executor.2/13877:
#0: ffff88807e9e9628 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:117 [inline]
#0: ffff88807e9e9628 (&mm->mmap_lock#2){++++}-{3:3}, at: __mm_populate+0x1a9/0x4d0 mm/gup.c:1611
#1: ffff888140c993c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:796 [inline]
#1: ffff888140c993c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_fault+0x2c4/0xf20 mm/filemap.c:3140
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 5.19.0-rc4-syzkaller-00014-g941e3e791269 #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+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x473/0x4a0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x168/0x280 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+0xcf9/0xd40 kernel/hung_task.c:369
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 62 Comm: kworker/u4:4 Not tainted 5.19.0-rc4-syzkaller-00014-g941e3e791269 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_nc_worker
RIP: 0010:check_preemption_disabled+0x42/0x120 lib/smp_processor_id.c:55
Code: 08 65 8b 1d 70 df d6 75 65 8b 05 e1 34 d7 75 a9 ff ff ff 7f 74 22 65 48 8b 04 25 28 00 00 00 48 3b 44 24 08 0f 85 cc 00 00 00 <89> d8 48 83 c4 10 5b 41 5c 41 5e 41 5f c3 48 c7 04 24 00 00 00 00
RSP: 0018:ffffc90001597900 EFLAGS: 00000046
RAX: 337df960e21dd300 RBX: 0000000000000000 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8a8d3440 RDI: ffffffff8ae996c0
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1c071d6
R10: fffffbfff1c071d6 R11: 1ffffffff1c071d5 R12: 0000000000000246
R13: ffff8880185e5880 R14: 00000000ffffffff R15: ffffffff8cb1e7a0
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdbeea6fa00 CR3: 000000000c88e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lockdep_recursion_finish kernel/locking/lockdep.c:466 [inline]
lock_is_held_type+0x10a/0x190 kernel/locking/lockdep.c:5709
lock_is_held include/linux/lockdep.h:279 [inline]
rcu_read_lock_sched_held+0x89/0x130 kernel/rcu/update.c:125
trace_lock_acquire+0x7d/0x1d0 include/trace/events/lock.h:24
lock_acquire+0xa5/0x400 kernel/locking/lockdep.c:5636
rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:269
rcu_read_lock include/linux/rcupdate.h:695 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
batadv_nc_worker+0xc8/0x5b0 net/batman-adv/network-coding.c:719
process_one_work+0x81c/0xd10 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30
----------------
Code disassembly (best guess):
0: 08 65 8b or %ah,-0x75(%rbp)
3: 1d 70 df d6 75 sbb $0x75d6df70,%eax
8: 65 8b 05 e1 34 d7 75 mov %gs:0x75d734e1(%rip),%eax # 0x75d734f0
f: a9 ff ff ff 7f test $0x7fffffff,%eax
14: 74 22 je 0x38
16: 65 48 8b 04 25 28 00 mov %gs:0x28,%rax
1d: 00 00
1f: 48 3b 44 24 08 cmp 0x8(%rsp),%rax
24: 0f 85 cc 00 00 00 jne 0xf6
* 2a: 89 d8 mov %ebx,%eax <-- trapping instruction
2c: 48 83 c4 10 add $0x10,%rsp
30: 5b pop %rbx
31: 41 5c pop %r12
33: 41 5e pop %r14
35: 41 5f pop %r15
37: c3 retq
38: 48 c7 04 24 00 00 00 movq $0x0,(%rsp)
3f: 00