INFO: task syz-executor.5:16812 blocked for more than 143 seconds.
Not tainted 5.19.0-rc2-syzkaller-00117-g47700948a4ab #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:24640 pid:16812 ppid: 3638 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]
page_cache_ra_unbounded+0xf0/0x640 mm/readahead.c:220
do_async_mmap_readahead+0x459/0x6b0 mm/filemap.c:3075
filemap_fault+0x1ef/0xf20 mm/filemap.c:3129
__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: 0033:0x7f6bf6c89109
RSP: 002b:00007f6bf7d19168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f6bf6d9bf60 RCX: 00007f6bf6c89109
RDX: 0000000001000006 RSI: 0000000000b34900 RDI: 0000000020000000
RBP: 00007f6bf6ce305d R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff377edfcf R14: 00007f6bf7d19300 R15: 0000000000022000
INFO: task syz-executor.1:16813 blocked for more than 143 seconds.
Not tainted 5.19.0-rc2-syzkaller-00117-g47700948a4ab #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:24672 pid:16813 ppid: 3640 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]
page_cache_ra_unbounded+0xf0/0x640 mm/readahead.c:220
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: 0033:0x7fa386c89109
RSP: 002b:00007fa387d6d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fa386d9bf60 RCX: 00007fa386c89109
RDX: 0000000001000006 RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007fa386ce305d R08: 0000000000000004 R09: 0000000000001000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc8447575f R14: 00007fa387d6d300 R15: 0000000000022000
INFO: task syz-executor.2:16845 blocked for more than 144 seconds.
Not tainted 5.19.0-rc2-syzkaller-00117-g47700948a4ab #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:28600 pid:16845 ppid: 3641 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: 0033:0x7f19daa89109
RSP: 002b:00007f19dbc33168 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f19dab9c030 RCX: 00007f19daa89109
RDX: 0000000000000009 RSI: 0000000000600003 RDI: 0000000020000000
RBP: 00007f19daae305d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc4c4ec21f R14: 00007f19dbc33300 R15: 0000000000022000
INFO: task syz-executor.4:16859 blocked for more than 144 seconds.
Not tainted 5.19.0-rc2-syzkaller-00117-g47700948a4ab #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:25336 pid:16859 ppid: 3639 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_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: 0033:0x7f643a489109
RSP: 002b:00007f643b53e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f643a59bf60 RCX: 00007f643a489109
RDX: 0000000001000006 RSI: 0000000000b34900 RDI: 0000000020000000
RBP: 00007f643a4e305d R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffef111cf8f R14: 00007f643b53e300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8cb1eca0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/3299:
#0: ffff88802774f098 (&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
1 lock held by syz-executor.5/16812:
#0: ffff888140c99ec0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:796 [inline]
#0: ffff888140c99ec0 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0xf0/0x640 mm/readahead.c:220
1 lock held by syz-executor.1/16813:
#0: ffff888140c99ec0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:796 [inline]
#0: ffff888140c99ec0 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0xf0/0x640 mm/readahead.c:220
1 lock held by syz-executor.2/16817:
1 lock held by syz-executor.2/16845:
#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.4/16859:
#0: ffff888077b31628 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:117 [inline]
#0: ffff888077b31628 (&mm->mmap_lock#2){++++}-{3:3}, at: __mm_populate+0x1a9/0x4d0 mm/gup.c:1611
#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 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 5.19.0-rc2-syzkaller-00117-g47700948a4ab #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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 16817 Comm: syz-executor.2 Not tainted 5.19.0-rc2-syzkaller-00117-g47700948a4ab #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:87 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:102 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x8a/0x2e0 mm/kasan/generic.c:189
Code: ce 49 83 fe 10 7f 30 4d 85 f6 0f 84 8e 01 00 00 4c 89 cb 4c 29 d3 66 2e 0f 1f 84 00 00 00 00 00 41 80 39 00 0f 85 e7 01 00 00 <49> ff c1 48 ff c3 75 ee e9 67 01 00 00 44 89 cd 83 e5 07 0f 84 f1
RSP: 0018:ffffc90003f6e238 EFLAGS: 00000046
RAX: 0000000000000001 RBX: ffffffffffffffff RCX: ffffffff81bc2212
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffea000140b1c0
RBP: 000000000001ffff R08: dffffc0000000000 R09: fffff94000281638
R10: fffff94000281639 R11: 1ffffd4000281638 R12: 1ffffd4000281639
R13: ffffea000140b1c8 R14: 0000000000000001 R15: ffffea000140b1c0
FS: 00007f19dbc54700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c018aae340 CR3: 000000007b455000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
instrument_atomic_read include/linux/instrumented.h:71 [inline]
test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
PageLRU include/linux/page-flags.h:500 [inline]
isolate_lru_pages+0x592/0x1620 mm/vmscan.c:2117
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: 0033:0x7f19daa89109
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:00007f19dbc54168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f19dab9bf60 RCX: 00007f19daa89109
RDX: 0000000001000006 RSI: 0000000000b34900 RDI: 0000000020000000
RBP: 00007f19daae305d R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc4c4ec21f R14: 00007f19dbc54300 R15: 0000000000022000
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 49 83 fe 10 cmp $0x10,%r14
4: 7f 30 jg 0x36
6: 4d 85 f6 test %r14,%r14
9: 0f 84 8e 01 00 00 je 0x19d
f: 4c 89 cb mov %r9,%rbx
12: 4c 29 d3 sub %r10,%rbx
15: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1)
1c: 00 00 00
1f: 41 80 39 00 cmpb $0x0,(%r9)
23: 0f 85 e7 01 00 00 jne 0x210
* 29: 49 ff c1 inc %r9 <-- trapping instruction
2c: 48 ff c3 inc %rbx
2f: 75 ee jne 0x1f
31: e9 67 01 00 00 jmpq 0x19d
36: 44 89 cd mov %r9d,%ebp
39: 83 e5 07 and $0x7,%ebp
3c: 0f .byte 0xf
3d: 84 f1 test %dh,%cl