INFO: task syz-executor.4:18409 blocked for more than 143 seconds.
Not tainted 5.17.0-rc7-syzkaller-00020-gea4424be1688 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:29432 pid:18409 ppid: 3631 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6304
schedule+0xd2/0x260 kernel/sched/core.c:6377
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:822 [inline]
blkdev_fallocate+0x1e2/0x420 block/fops.c:659
vfs_fallocate+0x48d/0xe10 fs/open.c:308
madvise_remove mm/madvise.c:931 [inline]
madvise_vma_behavior+0xa3c/0x1bd0 mm/madvise.c:955
madvise_walk_vmas+0x1d5/0x2d0 mm/madvise.c:1183
do_madvise mm/madvise.c:1361 [inline]
do_madvise+0x2d4/0x3c0 mm/madvise.c:1319
__do_sys_madvise mm/madvise.c:1374 [inline]
__se_sys_madvise mm/madvise.c:1372 [inline]
__x64_sys_madvise+0xa6/0x110 mm/madvise.c:1372
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: 0033:0x7fc70b5b5049
RSP: 002b:00007fc709f09168 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007fc70b6c8030 RCX: 00007fc70b5b5049
RDX: 0000000000000009 RSI: 0000000000600578 RDI: 0000000020000000
RBP: 00007fc70b60f08d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff5d422fcf R14: 00007fc709f09300 R15: 0000000000022000
INFO: task syz-executor.1:18418 blocked for more than 143 seconds.
Not tainted 5.17.0-rc7-syzkaller-00020-gea4424be1688 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:29432 pid:18418 ppid: 3630 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6304
schedule+0xd2/0x260 kernel/sched/core.c:6377
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:822 [inline]
blkdev_fallocate+0x1e2/0x420 block/fops.c:659
vfs_fallocate+0x48d/0xe10 fs/open.c:308
madvise_remove mm/madvise.c:931 [inline]
madvise_vma_behavior+0xa3c/0x1bd0 mm/madvise.c:955
madvise_walk_vmas+0x1d5/0x2d0 mm/madvise.c:1183
do_madvise mm/madvise.c:1361 [inline]
do_madvise+0x2d4/0x3c0 mm/madvise.c:1319
__do_sys_madvise mm/madvise.c:1374 [inline]
__se_sys_madvise mm/madvise.c:1372 [inline]
__x64_sys_madvise+0xa6/0x110 mm/madvise.c:1372
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: 0033:0x7f0822ec2049
RSP: 002b:00007f08217f5168 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f0822fd5100 RCX: 00007f0822ec2049
RDX: 0000000000000009 RSI: 0000000000600579 RDI: 0000000020000000
RBP: 00007f0822f1c08d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff4c3d4d1f R14: 00007f08217f5300 R15: 0000000000022000
INFO: task syz-executor.0:18420 blocked for more than 144 seconds.
Not tainted 5.17.0-rc7-syzkaller-00020-gea4424be1688 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28456 pid:18420 ppid: 3626 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6304
schedule+0xd2/0x260 kernel/sched/core.c:6377
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:822 [inline]
blkdev_fallocate+0x1e2/0x420 block/fops.c:659
vfs_fallocate+0x48d/0xe10 fs/open.c:308
madvise_remove mm/madvise.c:931 [inline]
madvise_vma_behavior+0xa3c/0x1bd0 mm/madvise.c:955
madvise_walk_vmas+0x1d5/0x2d0 mm/madvise.c:1183
do_madvise mm/madvise.c:1361 [inline]
do_madvise+0x2d4/0x3c0 mm/madvise.c:1319
__do_sys_madvise mm/madvise.c:1374 [inline]
__se_sys_madvise mm/madvise.c:1372 [inline]
__x64_sys_madvise+0xa6/0x110 mm/madvise.c:1372
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: 0033:0x7f00f0b1b049
RSP: 002b:00007f00ef490168 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f00f0c2df60 RCX: 00007f00f0b1b049
RDX: 0000000000000009 RSI: 0000000000600579 RDI: 0000000020000000
RBP: 00007f00f0b7508d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffe257d32f R14: 00007f00ef490300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8bb845e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6460
2 locks held by getty/3278:
#0: ffff88814b392098 (&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:2075
2 locks held by syz-executor.4/18406:
1 lock held by syz-executor.4/18409:
#0: ffff888144c9b748 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:822 [inline]
#0: ffff888144c9b748 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e2/0x420 block/fops.c:659
1 lock held by syz-executor.1/18418:
#0: ffff888144c9b748 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:822 [inline]
#0: ffff888144c9b748 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e2/0x420 block/fops.c:659
1 lock held by syz-executor.0/18420:
#0: ffff888144c9b748 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:822 [inline]
#0: ffff888144c9b748 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e2/0x420 block/fops.c:659
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.17.0-rc7-syzkaller-00020-gea4424be1688 #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:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 18406 Comm: syz-executor.4 Not tainted 5.17.0-rc7-syzkaller-00020-gea4424be1688 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__sanitizer_cov_trace_pc+0x4c/0x60 kernel/kcov.c:205
Code: 0e 85 c9 74 35 8b 82 a4 15 00 00 85 c0 74 2b 8b 82 80 15 00 00 83 f8 02 75 20 48 8b 8a 88 15 00 00 8b 92 84 15 00 00 48 8b 01 <48> 83 c0 01 48 39 c2 76 07 48 89 34 c1 48 89 01 c3 0f 1f 00 41 55
RSP: 0018:ffffc900051ceba8 EFLAGS: 00000046
RAX: 000000000003ffff RBX: 0000000000000000 RCX: ffffc90004aa1000
RDX: 0000000000040000 RSI: ffffffff81a564ae RDI: 0000000000000003
RBP: ffffea0000fe4080 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff81a564a0 R11: 0000000000000000 R12: ffff888023e45020
R13: ffffea0000fe4088 R14: 0000000000000000 R15: 0000000000000004
FS: 00007fc709f2a700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055ed64628600 CR3: 0000000075610000 CR4: 0000000000350ee0
Call Trace:
_compound_head include/linux/page-flags.h:199 [inline]
PageLRU include/linux/page-flags.h:422 [inline]
__isolate_lru_page_prepare+0xbe/0x7e0 mm/vmscan.c:2029
isolate_lru_pages+0x399/0x17b0 mm/vmscan.c:2160
shrink_inactive_list mm/vmscan.c:2422 [inline]
shrink_list mm/vmscan.c:2664 [inline]
shrink_lruvec+0xb2e/0x2660 mm/vmscan.c:2983
shrink_node_memcgs mm/vmscan.c:3172 [inline]
shrink_node+0x858/0x1eb0 mm/vmscan.c:3295
shrink_zones mm/vmscan.c:3532 [inline]
do_try_to_free_pages+0x3b5/0x1700 mm/vmscan.c:3590
try_to_free_mem_cgroup_pages+0x323/0x920 mm/vmscan.c:3904
try_charge_memcg+0x349/0x1130 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:668 [inline]
__filemap_add_folio+0x724/0xe20 mm/filemap.c:857
filemap_add_folio+0xab/0x1d0 mm/filemap.c:950
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:3025 [inline]
filemap_fault+0x1527/0x20f0 mm/filemap.c:3117
__do_fault+0x10d/0x4d0 mm/memory.c:3868
do_read_fault mm/memory.c:4183 [inline]
do_fault mm/memory.c:4312 [inline]
handle_pte_fault mm/memory.c:4570 [inline]
__handle_mm_fault+0x28d8/0x5110 mm/memory.c:4705
handle_mm_fault+0x1c8/0x790 mm/memory.c:4803
faultin_page mm/gup.c:969 [inline]
__get_user_pages+0x503/0xf60 mm/gup.c:1190
populate_vma_page_range+0x24d/0x330 mm/gup.c:1522
__mm_populate+0x1ea/0x3e0 mm/gup.c:1631
mm_populate include/linux/mm.h:2702 [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: 0033:0x7fc70b5b5049
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc709f2a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fc70b6c7f60 RCX: 00007fc70b5b5049
RDX: 000000000000000a RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007fc70b60f08d R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff5d422fcf R14: 00007fc709f2a300 R15: 0000000000022000
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 85 c9 test %ecx,%ecx
2: 74 35 je 0x39
4: 8b 82 a4 15 00 00 mov 0x15a4(%rdx),%eax
a: 85 c0 test %eax,%eax
c: 74 2b je 0x39
e: 8b 82 80 15 00 00 mov 0x1580(%rdx),%eax
14: 83 f8 02 cmp $0x2,%eax
17: 75 20 jne 0x39
19: 48 8b 8a 88 15 00 00 mov 0x1588(%rdx),%rcx
20: 8b 92 84 15 00 00 mov 0x1584(%rdx),%edx
26: 48 8b 01 mov (%rcx),%rax
* 29: 48 83 c0 01 add $0x1,%rax <-- trapping instruction
2d: 48 39 c2 cmp %rax,%rdx
30: 76 07 jbe 0x39
32: 48 89 34 c1 mov %rsi,(%rcx,%rax,8)
36: 48 89 01 mov %rax,(%rcx)
39: c3 retq
3a: 0f 1f 00 nopl (%rax)
3d: 41 55 push %r13