INFO: task syz-executor.3:4553 blocked for more than 143 seconds.
Not tainted 5.19.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:27040 pid: 4553 ppid: 3644 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5116 [inline]
__schedule+0x957/0xec0 kernel/sched/core.c:6428
schedule+0xeb/0x1b0 kernel/sched/core.c:6500
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:3131
__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: 0033:0x7ff1fde2a139
RSP: 002b:00007fff9e263600 EFLAGS: 00010246
RAX: 00000000200001c0 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000555556c152e8
RBP: 00007fff9e2636f8 R08: 0000000000000000 R09: 0000000000000000
R10: 00007fff9e263720 R11: 0000000000000246 R12: 00000000001609bd
R13: 00007fff9e263720 R14: 00007ff1fdf9c100 R15: 0000000000000032
INFO: task syz-executor.3:4568 blocked for more than 143 seconds.
Not tainted 5.19.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:28600 pid: 4568 ppid: 3644 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5116 [inline]
__schedule+0x957/0xec0 kernel/sched/core.c:6428
schedule+0xeb/0x1b0 kernel/sched/core.c:6500
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: 0033:0x7ff1fde89109
RSP: 002b:00007ff1ff096168 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007ff1fdf9c030 RCX: 00007ff1fde89109
RDX: 0000000000000009 RSI: 0000000000600003 RDI: 0000000020000000
RBP: 00007ff1fdee30ad R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff9e2635bf R14: 00007ff1ff096300 R15: 0000000000022000
INFO: task syz-executor.5:4560 blocked for more than 144 seconds.
Not tainted 5.19.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:27040 pid: 4560 ppid: 3648 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5116 [inline]
__schedule+0x957/0xec0 kernel/sched/core.c:6428
schedule+0xeb/0x1b0 kernel/sched/core.c:6500
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:3131
__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: 0033:0x7f2054c84516
RSP: 002b:00007ffebd824e38 EFLAGS: 00010202
RAX: 0000000020000000 RBX: 0000000000000000 RCX: 006b636f6c705f6d
RDX: 000000000000000f RSI: 6d6c642f7665642f RDI: 0000000020000000
RBP: 00007ffebd824ef8 R08: 00007f20551a0000 R09: 00007f2054da0418
R10: 00007ffebd824f20 R11: 0000000000000246 R12: 00000000001609a9
R13: 00007ffebd824f20 R14: 00007f2054d9c030 R15: 0000000000000032
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8cb1ebe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/3291:
#0: ffff88814aaff098 (&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
3 locks held by kworker/u4:16/6278:
2 locks held by syz-executor.3/4553:
#0: ffff888079658128 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline]
#0: ffff888079658128 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x2f0/0xca0 arch/x86/mm/fault.c:1338
#1: ffff888140c99ec0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:796 [inline]
#1: ffff888140c99ec0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_fault+0x2c4/0xf20 mm/filemap.c:3131
1 lock held by syz-executor.3/4555:
1 lock held by syz-executor.3/4568:
#0: ffff888140c99ec0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:786 [inline]
#0: ffff888140c99ec0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x21f/0x390 block/fops.c:637
2 locks held by syz-executor.5/4560:
#0: ffff88802026e328 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline]
#0: ffff88802026e328 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x2f0/0xca0 arch/x86/mm/fault.c:1338
#1: ffff888140c99ec0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:796 [inline]
#1: ffff888140c99ec0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_fault+0x2c4/0xf20 mm/filemap.c:3131
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 5.19.0-rc2-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+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:220 [inline]
watchdog+0xd18/0xd60 kernel/hung_task.c:378
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: 4555 Comm: syz-executor.3 Not tainted 5.19.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__list_del_entry_valid+0x79/0x100 lib/list_debug.c:51
Code: 4d 8b 37 49 39 d6 74 53 48 83 c2 22 48 39 d3 74 5d 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 9a 92 a5 fd 48 8b 13 <4c> 39 fa 75 52 49 8d 5e 08 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74
RSP: 0018:ffffc9000956e238 EFLAGS: 00000046
RAX: 1ffffd4000466ba9 RBX: ffffea0002335d48 RCX: ffff88804ac99d80
RDX: ffffea0002335d08 RSI: 0000000000000001 RDI: ffffea0002335d10
RBP: ffffc9000956e450 R08: ffffffff81bc13a3 R09: fffff94000466ba1
R10: fffff94000466ba1 R11: 1ffffd4000466ba0 R12: dffffc0000000000
R13: ffffea0002335d08 R14: ffff88806a6c9020 R15: ffffea0002335d08
FS: 00007ff1ff0b7700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0196ba9b0 CR3: 0000000029e1c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__list_del_entry include/linux/list.h:134 [inline]
list_move include/linux/list.h:217 [inline]
isolate_lru_pages+0x818/0x1620 mm/vmscan.c:2140
shrink_inactive_list+0x4e0/0xca0 mm/vmscan.c:2371
shrink_list mm/vmscan.c:2616 [inline]
shrink_lruvec+0x489/0xc60 mm/vmscan.c:2933
shrink_node_memcgs+0x358/0x6f0 mm/vmscan.c:3122
shrink_node+0xe86/0x1fe0 mm/vmscan.c:3245
shrink_zones+0x4fb/0xc40 mm/vmscan.c:3482
do_try_to_free_pages+0x1e4/0xcd0 mm/vmscan.c:3540
try_to_free_mem_cgroup_pages+0x3bd/0x6b0 mm/vmscan.c:3854
reclaim_high+0x1f4/0x280 mm/memcontrol.c:2333
mem_cgroup_handle_over_high+0x145/0x2b0 mm/memcontrol.c:2517
try_charge_memcg+0x10ae/0x1100 mm/memcontrol.c:2746
try_charge mm/memcontrol.c:2757 [inline]
charge_memcg+0xf1/0x5c0 mm/memcontrol.c:6720
__mem_cgroup_charge+0x23/0x80 mm/memcontrol.c:6741
mem_cgroup_charge include/linux/memcontrol.h:689 [inline]
__filemap_add_folio+0xe89/0x19a0 mm/filemap.c:857
filemap_add_folio+0x12c/0x5c0 mm/filemap.c:959
page_cache_ra_unbounded+0x220/0x640 mm/readahead.c:245
do_sync_mmap_readahead+0x76d/0x960 mm/filemap.c:3047
filemap_fault+0x349/0xf20 mm/filemap.c:3139
__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: 0033:0x7ff1fde89109
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:00007ff1ff0b7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007ff1fdf9bf60 RCX: 00007ff1fde89109
RDX: 0000000001000006 RSI: 0000000000b34900 RDI: 0000000020000000
RBP: 00007ff1fdee30ad R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff9e2635bf R14: 00007ff1ff0b7300 R15: 0000000000022000
----------------
Code disassembly (best guess):
0: 4d 8b 37 mov (%r15),%r14
3: 49 39 d6 cmp %rdx,%r14
6: 74 53 je 0x5b
8: 48 83 c2 22 add $0x22,%rdx
c: 48 39 d3 cmp %rdx,%rbx
f: 74 5d je 0x6e
11: 48 89 d8 mov %rbx,%rax
14: 48 c1 e8 03 shr $0x3,%rax
18: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1)
1d: 74 08 je 0x27
1f: 48 89 df mov %rbx,%rdi
22: e8 9a 92 a5 fd callq 0xfda592c1
27: 48 8b 13 mov (%rbx),%rdx
* 2a: 4c 39 fa cmp %r15,%rdx <-- trapping instruction
2d: 75 52 jne 0x81
2f: 49 8d 5e 08 lea 0x8(%r14),%rbx
33: 48 89 d8 mov %rbx,%rax
36: 48 c1 e8 03 shr $0x3,%rax
3a: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1)
3f: 74 .byte 0x74