INFO: task syz-executor.0:26325 blocked for more than 143 seconds.
Not tainted 5.16.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:29608 pid:26325 ppid: 3632 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4f00 kernel/sched/core.c:6296
schedule+0xd2/0x260 kernel/sched/core.c:6369
rwsem_down_write_slowpath+0x634/0x1110 kernel/locking/rwsem.c:1142
__down_write_common kernel/locking/rwsem.c:1259 [inline]
__down_write_common kernel/locking/rwsem.c:1256 [inline]
__down_write kernel/locking/rwsem.c:1268 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1515
filemap_invalidate_lock include/linux/fs.h:829 [inline]
blkdev_fallocate+0x1e2/0x420 block/fops.c:652
vfs_fallocate+0x48d/0xe10 fs/open.c:308
madvise_remove mm/madvise.c:959 [inline]
madvise_vma_behavior+0x9ca/0x1ef0 mm/madvise.c:982
madvise_walk_vmas mm/madvise.c:1207 [inline]
do_madvise mm/madvise.c:1385 [inline]
do_madvise+0x3d6/0x660 mm/madvise.c:1343
__do_sys_madvise mm/madvise.c:1398 [inline]
__se_sys_madvise mm/madvise.c:1396 [inline]
__x64_sys_madvise+0xa6/0x110 mm/madvise.c:1396
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+0x44/0xae
RIP: 0033:0x7f302f395fe9
RSP: 002b:00007f302dcea168 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f302f4a9030 RCX: 00007f302f395fe9
RDX: 0000000000000009 RSI: 0000000000600003 RDI: 0000000020000000
RBP: 00007f302f3f008d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe4800d03f R14: 00007f302dcea300 R15: 0000000000022000
INFO: task syz-executor.0:26329 blocked for more than 143 seconds.
Not tainted 5.16.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:29608 pid:26329 ppid: 3632 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4f00 kernel/sched/core.c:6296
schedule+0xd2/0x260 kernel/sched/core.c:6369
rwsem_down_write_slowpath+0x634/0x1110 kernel/locking/rwsem.c:1142
__down_write_common kernel/locking/rwsem.c:1259 [inline]
__down_write_common kernel/locking/rwsem.c:1256 [inline]
__down_write kernel/locking/rwsem.c:1268 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1515
filemap_invalidate_lock include/linux/fs.h:829 [inline]
blkdev_fallocate+0x1e2/0x420 block/fops.c:652
vfs_fallocate+0x48d/0xe10 fs/open.c:308
madvise_remove mm/madvise.c:959 [inline]
madvise_vma_behavior+0x9ca/0x1ef0 mm/madvise.c:982
madvise_walk_vmas mm/madvise.c:1207 [inline]
do_madvise mm/madvise.c:1385 [inline]
do_madvise+0x3d6/0x660 mm/madvise.c:1343
__do_sys_madvise mm/madvise.c:1398 [inline]
__se_sys_madvise mm/madvise.c:1396 [inline]
__x64_sys_madvise+0xa6/0x110 mm/madvise.c:1396
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+0x44/0xae
RIP: 0033:0x7f302f395fe9
RSP: 002b:00007f302dc66168 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f302f4a9370 RCX: 00007f302f395fe9
RDX: 0000000000000009 RSI: 0000000000600003 RDI: 0000000020000000
RBP: 00007f302f3f008d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe4800d03f R14: 00007f302dc66300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8bb85520 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6460
2 locks held by getty/3278:
#0: ffff88807e458098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90002b632e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2077
1 lock held by syz-executor.5/26315:
1 lock held by syz-executor.5/26317:
2 locks held by syz-executor.4/26319:
1 lock held by syz-executor.0/26325:
#0: ffff8880110d2048 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:829 [inline]
#0: ffff8880110d2048 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e2/0x420 block/fops.c:652
1 lock held by syz-executor.0/26329:
#0: ffff8880110d2048 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:829 [inline]
#0: ffff8880110d2048 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e2/0x420 block/fops.c:652
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.16.0-syzkaller #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+0x1b3/0x230 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
watchdog+0xc1d/0xf50 kernel/hung_task.c:295
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 26315 Comm: syz-executor.5 Not tainted 5.16.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:PageTail include/linux/page-flags.h:234 [inline]
RIP: 0010:folio_flags.constprop.0+0x25/0x70 include/linux/page-flags.h:260
Code: 80 00 00 00 00 41 54 49 89 fc 53 e8 55 86 da ff 49 8d 7c 24 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <75> 39 49 8b 5c 24 08 31 ff 83 e3 01 48 89 de e8 b7 88 da ff 48 85
RSP: 0018:ffffc90005456bb0 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 1ffffd40004815e1 RSI: ffffffff819d449b RDI: ffffea000240af08
RBP: ffffea000240af00 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff819d71c8 R11: 0000000000000000 R12: ffffea000240af00
R13: 0000000000000000 R14: ffffea000240af08 R15: ffffea000240af00
FS: 00007f654fa14700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f77a9222990 CR3: 000000007c762000 CR4: 0000000000350ef0
Call Trace:
folio_unlock+0x59/0xc0 mm/filemap.c:1478
shrink_page_list+0x2eb1/0x6730 mm/vmscan.c:1896
shrink_inactive_list mm/vmscan.c:2435 [inline]
shrink_list mm/vmscan.c:2662 [inline]
shrink_lruvec+0xc9b/0x2660 mm/vmscan.c:2981
shrink_node_memcgs mm/vmscan.c:3170 [inline]
shrink_node+0x858/0x1eb0 mm/vmscan.c:3293
shrink_zones mm/vmscan.c:3530 [inline]
do_try_to_free_pages+0x39e/0x16d0 mm/vmscan.c:3588
try_to_free_mem_cgroup_pages+0x2cd/0x840 mm/vmscan.c:3902
try_charge_memcg+0x356/0x1270 mm/memcontrol.c:2599
try_charge mm/memcontrol.c:2724 [inline]
charge_memcg+0xae/0x360 mm/memcontrol.c:6687
__mem_cgroup_charge+0x27/0x90 mm/memcontrol.c:6708
mem_cgroup_charge include/linux/memcontrol.h:667 [inline]
__filemap_add_folio+0x724/0xe20 mm/filemap.c:868
filemap_add_folio+0xab/0x1d0 mm/filemap.c:961
page_cache_ra_unbounded+0x3d3/0x740 mm/readahead.c:221
do_page_cache_ra+0xf9/0x140 mm/readahead.c:268
do_sync_mmap_readahead mm/filemap.c:2947 [inline]
filemap_fault+0x1527/0x20f0 mm/filemap.c:3039
__do_fault+0x10d/0x4d0 mm/memory.c:3872
do_read_fault mm/memory.c:4187 [inline]
do_fault mm/memory.c:4316 [inline]
handle_pte_fault mm/memory.c:4574 [inline]
__handle_mm_fault+0x28d8/0x5110 mm/memory.c:4709
handle_mm_fault+0x1c8/0x790 mm/memory.c:4807
faultin_page mm/gup.c:944 [inline]
__get_user_pages+0x503/0xf80 mm/gup.c:1165
populate_vma_page_range+0x24d/0x330 mm/gup.c:1497
__mm_populate+0x1ea/0x3e0 mm/gup.c:1606
mm_populate include/linux/mm.h:2675 [inline]
vm_mmap_pgoff+0x20e/0x290 mm/util.c:524
ksys_mmap_pgoff+0x40d/0x5a0 mm/mmap.c:1630
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+0x44/0xae
RIP: 0033:0x7f65510bffe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f654fa14168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f65511d3030 RCX: 00007f65510bffe9
RDX: 000000000000000a RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007f655111a08d R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffea4ec4a2f R14: 00007f654fa14300 R15: 0000000000022000
----------------
Code disassembly (best guess):
0: 80 00 00 addb $0x0,(%rax)
3: 00 00 add %al,(%rax)
5: 41 54 push %r12
7: 49 89 fc mov %rdi,%r12
a: 53 push %rbx
b: e8 55 86 da ff callq 0xffda8665
10: 49 8d 7c 24 08 lea 0x8(%r12),%rdi
15: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
1c: fc ff df
1f: 48 89 fa mov %rdi,%rdx
22: 48 c1 ea 03 shr $0x3,%rdx
26: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
* 2a: 75 39 jne 0x65 <-- trapping instruction
2c: 49 8b 5c 24 08 mov 0x8(%r12),%rbx
31: 31 ff xor %edi,%edi
33: 83 e3 01 and $0x1,%ebx
36: 48 89 de mov %rbx,%rsi
39: e8 b7 88 da ff callq 0xffda88f5
3e: 48 rex.W
3f: 85 .byte 0x85