INFO: task syz-executor.0:20862 blocked for more than 143 seconds.
Not tainted 5.19.0-rc2-syzkaller-00052-g979086f5e006 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28520 pid:20862 ppid: 3636 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5116 [inline]
__schedule+0xa00/0x4b30 kernel/sched/core.c:6428
schedule+0xd2/0x1f0 kernel/sched/core.c:6500
rwsem_down_read_slowpath+0x5b9/0xb00 kernel/locking/rwsem.c:1077
__down_read_common kernel/locking/rwsem.c:1242 [inline]
__down_read kernel/locking/rwsem.c:1251 [inline]
down_read+0xe2/0x440 kernel/locking/rwsem.c:1491
filemap_invalidate_lock_shared include/linux/fs.h:796 [inline]
filemap_fault+0xba1/0x24e0 mm/filemap.c:3131
__do_fault+0x10d/0x650 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+0x23fd/0x3f50 mm/memory.c:5042
handle_mm_fault+0x1c8/0x790 mm/memory.c:5140
do_user_addr_fault+0x489/0x11c0 arch/x86/mm/fault.c:1397
handle_page_fault arch/x86/mm/fault.c:1484 [inline]
exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1540
asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7fe0a1a84516
RSP: 002b:00007fffc229c6a8 EFLAGS: 00010202
RAX: 0000000020001000 RBX: 0000000000000000 RCX: 0030626c6c756e2f
RDX: 000000000000000c RSI: 6c756e2f7665642f RDI: 0000000020001000
RBP: 00007fffc229c768 R08: 00007fe0a1fa0000 R09: 00007fe0a1ba02b8
R10: 00007fffc238f090 R11: 000000000002408a R12: 00000000000b98b7
R13: 00007fffc229c790 R14: 00007fffc229c7b0 R15: 0000000000000032
INFO: task syz-executor.0:20872 blocked for more than 143 seconds.
Not tainted 5.19.0-rc2-syzkaller-00052-g979086f5e006 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:29368 pid:20872 ppid: 3636 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5116 [inline]
__schedule+0xa00/0x4b30 kernel/sched/core.c:6428
schedule+0xd2/0x1f0 kernel/sched/core.c:6500
rwsem_down_write_slowpath+0x68a/0x11a0 kernel/locking/rwsem.c:1172
__down_write_common kernel/locking/rwsem.c:1287 [inline]
__down_write_common kernel/locking/rwsem.c:1284 [inline]
__down_write kernel/locking/rwsem.c:1296 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1543
filemap_invalidate_lock include/linux/fs.h:786 [inline]
blkdev_fallocate+0x1e2/0x410 block/fops.c:637
vfs_fallocate+0x487/0xe00 fs/open.c:323
madvise_remove mm/madvise.c:976 [inline]
madvise_vma_behavior+0x9b9/0x1d50 mm/madvise.c:1000
madvise_walk_vmas+0x1d5/0x2d0 mm/madvise.c:1232
do_madvise mm/madvise.c:1410 [inline]
do_madvise+0x2d4/0x3c0 mm/madvise.c:1368
__do_sys_madvise mm/madvise.c:1423 [inline]
__se_sys_madvise mm/madvise.c:1421 [inline]
__x64_sys_madvise+0xa6/0x110 mm/madvise.c:1421
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+0x46/0xb0
RIP: 0033:0x7fe0a1a89109
RSP: 002b:00007fe0a2bd8168 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007fe0a1b9c030 RCX: 00007fe0a1a89109
RDX: 0000000000000009 RSI: 0000000000600003 RDI: 0000000020000000
RBP: 00007fe0a1ae305d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffc229c62f R14: 00007fe0a2bd8300 R15: 0000000000022000
INFO: task syz-executor.3:20869 blocked for more than 144 seconds.
Not tainted 5.19.0-rc2-syzkaller-00052-g979086f5e006 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:29368 pid:20869 ppid: 3638 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5116 [inline]
__schedule+0xa00/0x4b30 kernel/sched/core.c:6428
schedule+0xd2/0x1f0 kernel/sched/core.c:6500
rwsem_down_write_slowpath+0x68a/0x11a0 kernel/locking/rwsem.c:1172
__down_write_common kernel/locking/rwsem.c:1287 [inline]
__down_write_common kernel/locking/rwsem.c:1284 [inline]
__down_write kernel/locking/rwsem.c:1296 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1543
filemap_invalidate_lock include/linux/fs.h:786 [inline]
blkdev_fallocate+0x1e2/0x410 block/fops.c:637
vfs_fallocate+0x487/0xe00 fs/open.c:323
madvise_remove mm/madvise.c:976 [inline]
madvise_vma_behavior+0x9b9/0x1d50 mm/madvise.c:1000
madvise_walk_vmas+0x1d5/0x2d0 mm/madvise.c:1232
do_madvise mm/madvise.c:1410 [inline]
do_madvise+0x2d4/0x3c0 mm/madvise.c:1368
__do_sys_madvise mm/madvise.c:1423 [inline]
__se_sys_madvise mm/madvise.c:1421 [inline]
__x64_sys_madvise+0xa6/0x110 mm/madvise.c:1421
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+0x46/0xb0
RIP: 0033:0x7fbac0489109
RSP: 002b:00007fbac16b1168 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007fbac059c030 RCX: 00007fbac0489109
RDX: 0000000000000009 RSI: 0000000000600003 RDI: 0000000020000000
RBP: 00007fbac04e305d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffff7978e5f R14: 00007fbac16b1300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8bd84020 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6491
2 locks held by getty/3296:
#0: ffff88814b0da098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90001c582e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xe50/0x13c0 drivers/tty/n_tty.c:2124
2 locks held by syz-executor.0/20862:
#0: ffff88807b7a0128 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline]
#0: ffff88807b7a0128 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x285/0x11c0 arch/x86/mm/fault.c:1338
#1: ffff88801b7e08c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:796 [inline]
#1: ffff88801b7e08c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_fault+0xba1/0x24e0 mm/filemap.c:3131
1 lock held by syz-executor.0/20872:
#0: ffff88801b7e08c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:786 [inline]
#0: ffff88801b7e08c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e2/0x410 block/fops.c:637
1 lock held by syz-executor.3/20865:
1 lock held by syz-executor.3/20869:
#0: ffff88801b7e08c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:786 [inline]
#0: ffff88801b7e08c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e2/0x410 block/fops.c:637
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 5.19.0-rc2-syzkaller-00052-g979086f5e006 #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:220 [inline]
watchdog+0xc22/0xf90 kernel/hung_task.c:378
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 20865 Comm: syz-executor.3 Not tainted 5.19.0-rc2-syzkaller-00052-g979086f5e006 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:check_kcov_mode kernel/kcov.c:168 [inline]
RIP: 0010:write_comp_data+0x36/0x90 kernel/kcov.c:229
Code: 49 89 d2 81 e6 00 01 00 00 49 89 f8 65 48 8b 14 25 80 6f 02 00 a9 00 01 ff 00 74 0e 85 f6 74 59 8b 82 a4 15 00 00 85 c0 74 4f <8b> 82 80 15 00 00 83 f8 03 75 44 48 8b 82 88 15 00 00 8b 92 84 15
RSP: 0018:ffffc90004d2eb28 EFLAGS: 00000046
RAX: 0000000080000001 RBX: ffffea0000dc4848 RCX: ffffffff81a762fb
RDX: ffff888033864140 RSI: 0000000000000000 RDI: 0000000000000007
RBP: ffffea0000dc4840 R08: 0000000000000007 R09: ffffffffffffffff
R10: 00fff00000000011 R11: 0000000000000001 R12: ffff88813fffa000
R13: 00fff00000000011 R14: dffffc0000000000 R15: ffffea0000dc4840
FS: 00007fbac16d2700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000563365e5bc08 CR3: 0000000079b7b000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
page_to_nid include/linux/mm.h:1304 [inline]
page_pgdat include/linux/mm.h:1484 [inline]
folio_pgdat include/linux/mm.h:1494 [inline]
folio_matches_lruvec include/linux/memcontrol.h:1582 [inline]
move_pages_to_lru+0x4cb/0x2210 mm/vmscan.c:2310
shrink_inactive_list mm/vmscan.c:2389 [inline]
shrink_list mm/vmscan.c:2616 [inline]
shrink_lruvec+0xce8/0x2620 mm/vmscan.c:2933
shrink_node_memcgs mm/vmscan.c:3122 [inline]
shrink_node+0x84a/0x1db0 mm/vmscan.c:3245
shrink_zones mm/vmscan.c:3482 [inline]
do_try_to_free_pages+0x3b5/0x1700 mm/vmscan.c:3540
try_to_free_mem_cgroup_pages+0x323/0x920 mm/vmscan.c:3854
reclaim_high.constprop.0+0x182/0x230 mm/memcontrol.c:2333
mem_cgroup_handle_over_high+0x18c/0x510 mm/memcontrol.c:2517
try_charge_memcg+0xe19/0x1380 mm/memcontrol.c:2746
try_charge mm/memcontrol.c:2757 [inline]
charge_memcg+0x31/0x320 mm/memcontrol.c:6720
__mem_cgroup_charge+0x27/0x90 mm/memcontrol.c:6741
mem_cgroup_charge include/linux/memcontrol.h:689 [inline]
__filemap_add_folio+0x573/0x1660 mm/filemap.c:857
filemap_add_folio+0xab/0x1d0 mm/filemap.c:959
page_cache_ra_unbounded+0x1d3/0x550 mm/readahead.c:245
do_page_cache_ra mm/readahead.c:293 [inline]
page_cache_ra_order+0x680/0x940 mm/readahead.c:548
do_sync_mmap_readahead mm/filemap.c:3047 [inline]
filemap_fault+0x1605/0x24e0 mm/filemap.c:3139
__do_fault+0x10d/0x650 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+0x2739/0x3f50 mm/memory.c:5042
handle_mm_fault+0x1c8/0x790 mm/memory.c:5140
faultin_page mm/gup.c:953 [inline]
__get_user_pages+0x50c/0xfa0 mm/gup.c:1174
populate_vma_page_range+0x23d/0x320 mm/gup.c:1518
__mm_populate+0x1ea/0x3e0 mm/gup.c:1631
mm_populate include/linux/mm.h:2706 [inline]
vm_mmap_pgoff+0x20e/0x290 mm/util.c:557
ksys_mmap_pgoff+0x40d/0x5a0 mm/mmap.c:1633
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+0x46/0xb0
RIP: 0033:0x7fbac0489109
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:00007fbac16d2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fbac059bf60 RCX: 00007fbac0489109
RDX: 0000000001000006 RSI: 0000000000b34900 RDI: 0000000020000000
RBP: 00007fbac04e305d R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffff7978e5f R14: 00007fbac16d2300 R15: 0000000000022000
----------------
Code disassembly (best guess):
0: 49 89 d2 mov %rdx,%r10
3: 81 e6 00 01 00 00 and $0x100,%esi
9: 49 89 f8 mov %rdi,%r8
c: 65 48 8b 14 25 80 6f mov %gs:0x26f80,%rdx
13: 02 00
15: a9 00 01 ff 00 test $0xff0100,%eax
1a: 74 0e je 0x2a
1c: 85 f6 test %esi,%esi
1e: 74 59 je 0x79
20: 8b 82 a4 15 00 00 mov 0x15a4(%rdx),%eax
26: 85 c0 test %eax,%eax
28: 74 4f je 0x79
* 2a: 8b 82 80 15 00 00 mov 0x1580(%rdx),%eax <-- trapping instruction
30: 83 f8 03 cmp $0x3,%eax
33: 75 44 jne 0x79
35: 48 8b 82 88 15 00 00 mov 0x1588(%rdx),%rax
3c: 8b .byte 0x8b
3d: 92 xchg %eax,%edx
3e: 84 .byte 0x84
3f: 15 .byte 0x15