INFO: task syz-executor.3:25633 blocked for more than 143 seconds.
Not tainted 5.19.0-rc5-syzkaller-00049-gc1084b6c5620 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:28600 pid:25633 ppid: 3643 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: 0033:0x7fdaed689109
RSP: 002b:00007fdaee760168 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007fdaed79c030 RCX: 00007fdaed689109
RDX: 0000000000000009 RSI: 0000000000600003 RDI: 0000000020000000
RBP: 00007fdaed6e305d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd4e80765f R14: 00007fdaee760300 R15: 0000000000022000
INFO: task syz-executor.4:25646 blocked for more than 143 seconds.
Not tainted 5.19.0-rc5-syzkaller-00049-gc1084b6c5620 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:27328 pid:25646 ppid: 3645 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_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: 0033:0x7f2373889109
RSP: 002b:00007f23727fe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f237399bf60 RCX: 00007f2373889109
RDX: 0000000001000006 RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007f23738e305d R08: 0000000000000004 R09: 00000000ffffe000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc366af80f R14: 00007f23727fe300 R15: 0000000000022000
INFO: task syz-executor.4:25647 blocked for more than 144 seconds.
Not tainted 5.19.0-rc5-syzkaller-00049-gc1084b6c5620 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:28600 pid:25647 ppid: 3645 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: 0033:0x7f2373889109
RSP: 002b:00007f23727dd168 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f237399c030 RCX: 00007f2373889109
RDX: 0000000000000009 RSI: 0000000000600003 RDI: 0000000020000000
RBP: 00007f23738e305d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc366af80f R14: 00007f23727dd300 R15: 0000000000022000
Showing all locks held in the system:
2 locks held by kworker/u4:0/8:
#0: ffff8880b9b39b58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x110 kernel/sched/core.c:544
#1: ffff8880b9b27748 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x4fa/0x820 kernel/sched/psi.c:880
1 lock held by khungtaskd/28:
#0: ffffffff8cb1e820 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/3294:
#0: ffff88814a7c1098 (&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.3/25628:
1 lock held by syz-executor.3/25633:
#0: ffff888144d5b4c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:786 [inline]
#0: ffff888144d5b4c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x21f/0x390 block/fops.c:637
1 lock held by syz-executor.4/25646:
#0: ffff888144d5b4c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:796 [inline]
#0: ffff888144d5b4c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0xf0/0x640 mm/readahead.c:220
1 lock held by syz-executor.4/25647:
#0: ffff888144d5b4c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:786 [inline]
#0: ffff888144d5b4c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x21f/0x390 block/fops.c:637
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 5.19.0-rc5-syzkaller-00049-gc1084b6c5620 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
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 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3727 Comm: kworker/u4:6 Not tainted 5.19.0-rc5-syzkaller-00049-gc1084b6c5620 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
Workqueue: bat_events batadv_nc_worker
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+0x4a2/0x1f80 kernel/locking/lockdep.c:5003
Code: c0 0f 85 36 13 00 00 89 2b 44 89 e3 41 c1 ec 06 4a 8d 3c e5 00 90 d4 8f be 08 00 00 00 e8 46 a2 72 00 48 0f a3 1d 0e c8 6c 0e <72> 35 48 c7 c0 e0 0e 54 91 48 c1 e8 03 48 ba 00 00 00 00 00 fc ff
RSP: 0018:ffffc90003bbf8e8 EFLAGS: 00000057
RAX: 1ffff1100472a101 RBX: 0000000000000744 RCX: ffffffff8167c7ea
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8fd490e8
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1fa921e
R10: fffffbfff1fa921e R11: 1ffffffff1fa921d R12: 000000000000001d
R13: ffff888023950ad0 R14: 0000000000040744 R15: ffff888023950000
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c01b15f110 CR3: 000000000c88e000 CR4: 00000000003506e0
Call Trace:
lock_acquire+0x1a7/0x400 kernel/locking/lockdep.c:5665
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
_raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178
spin_lock_bh include/linux/spinlock.h:354 [inline]
batadv_nc_purge_paths+0xe0/0x3f0 net/batman-adv/network-coding.c:442
batadv_nc_worker+0x31e/0x5b0 net/batman-adv/network-coding.c:722
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: c0 0f 85 rorb $0x85,(%rdi)
3: 36 13 00 adc %ss:(%rax),%eax
6: 00 89 2b 44 89 e3 add %cl,-0x1c76bbd5(%rcx)
c: 41 c1 ec 06 shr $0x6,%r12d
10: 4a 8d 3c e5 00 90 d4 lea -0x702b7000(,%r12,8),%rdi
17: 8f
18: be 08 00 00 00 mov $0x8,%esi
1d: e8 46 a2 72 00 callq 0x72a268
22: 48 0f a3 1d 0e c8 6c bt %rbx,0xe6cc80e(%rip) # 0xe6cc838
29: 0e
* 2a: 72 35 jb 0x61 <-- trapping instruction
2c: 48 c7 c0 e0 0e 54 91 mov $0xffffffff91540ee0,%rax
33: 48 c1 e8 03 shr $0x3,%rax
37: 48 rex.W
38: ba 00 00 00 00 mov $0x0,%edx
3d: 00 fc add %bh,%ah
3f: ff .byte 0xff