INFO: task syz-executor.3:24054 blocked for more than 143 seconds.
Not tainted 5.15.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:29704 pid:24054 ppid: 23300 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4969 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6250
schedule+0xd2/0x260 kernel/sched/core.c:6323
rwsem_down_write_slowpath+0x761/0x1130 kernel/locking/rwsem.c:1117
__down_write_common kernel/locking/rwsem.c:1272 [inline]
__down_write_common kernel/locking/rwsem.c:1269 [inline]
__down_write kernel/locking/rwsem.c:1281 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1528
filemap_invalidate_lock include/linux/fs.h:828 [inline]
blkdev_fallocate+0x1e2/0x420 block/fops.c:625
vfs_fallocate+0x48d/0xe10 fs/open.c:307
madvise_remove mm/madvise.c:925 [inline]
madvise_vma mm/madvise.c:987 [inline]
do_madvise.part.0+0xb60/0x2250 mm/madvise.c:1202
do_madvise mm/madvise.c:1228 [inline]
__do_sys_madvise mm/madvise.c:1228 [inline]
__se_sys_madvise mm/madvise.c:1226 [inline]
__x64_sys_madvise+0x113/0x150 mm/madvise.c:1226
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: 0033:0x7f860a8dfae9
RSP: 002b:00007f8607e13188 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f860a9f30e0 RCX: 00007f860a8dfae9
RDX: 0000000000000009 RSI: 0000000000600003 RDI: 0000000020000000
RBP: 00007f860a939f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffda4d894bf R14: 00007f8607e13300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8b980ea0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6458
1 lock held by khugepaged/33:
1 lock held by kswapd0/98:
1 lock held by kswapd1/99:
2 locks held by kworker/u4:4/1000:
3 locks held by kworker/1:4/2935:
2 locks held by in:imklog/6218:
#0: ffff888023b2cb70 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:990
#1: ffffffff904c2b80 (&obj_hash[i].lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:478
1 lock held by syz-fuzzer/6528:
1 lock held by systemd-udevd/12434:
1 lock held by syz-executor.1/24032:
#0: ffff888017297988 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline]
#0: ffff888017297988 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_fault+0x15ad/0x26d0 mm/filemap.c:3096
1 lock held by syz-executor.3/24051:
1 lock held by syz-executor.3/24054:
#0: ffff888017297988 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:828 [inline]
#0: ffff888017297988 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e2/0x420 block/fops.c:625
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.0-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:105
nmi_trigger_cpumask_backtrace+0x1ae/0x220 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 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 12434 Comm: systemd-udevd Not tainted 5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:page_to_nid include/linux/mm.h:1386 [inline]
RIP: 0010:page_pgdat include/linux/mm.h:1559 [inline]
RIP: 0010:folio_pgdat include/linux/mm.h:1569 [inline]
RIP: 0010:folio_matches_lruvec include/linux/memcontrol.h:1569 [inline]
RIP: 0010:move_pages_to_lru+0x475/0x16b0 mm/vmscan.c:2315
Code: a0 c0 00 00 00 48 89 e8 48 c1 e8 03 42 80 3c 30 00 0f 85 39 0f 00 00 4c 8b 6d 00 48 c7 c7 ff ff ff ff 4c 89 ee e8 0b 09 d5 ff <49> 83 fd ff 0f 84 f3 0a 00 00 e8 6c 06 d5 ff 4c 8b 6d 00 49 c1 ed
RSP: 0018:ffffc9000a8e6fb8 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffffea0005e2cec8 RCX: 057ff00000000011
RDX: 0000000000000000 RSI: ffff888031d300c0 RDI: 0000000000000003
RBP: ffffea0005e2cec0 R08: ffffffffffffffff R09: 0000000005e2ce00
R10: ffffffff81a1f975 R11: 0000000000000000 R12: ffff88823fff7000
R13: 057ff00000000011 R14: dffffc0000000000 R15: ffffea0005e2cec0
FS: 00007f881e6af8c0(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560befc911f8 CR3: 000000001e9c9000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
shrink_inactive_list mm/vmscan.c:2397 [inline]
shrink_list mm/vmscan.c:2621 [inline]
shrink_lruvec+0xcb4/0x2660 mm/vmscan.c:2940
shrink_node_memcgs mm/vmscan.c:3129 [inline]
shrink_node+0x858/0x1eb0 mm/vmscan.c:3252
shrink_zones mm/vmscan.c:3485 [inline]
do_try_to_free_pages+0x4e2/0x1640 mm/vmscan.c:3541
try_to_free_pages+0x29f/0x750 mm/vmscan.c:3776
__perform_reclaim mm/page_alloc.c:4588 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline]
__alloc_pages_slowpath.constprop.0+0xac7/0x20d0 mm/page_alloc.c:5007
__alloc_pages+0x412/0x500 mm/page_alloc.c:5382
alloc_pages+0x1a7/0x300 mm/mempolicy.c:2191
folio_alloc+0x1c/0x70 mm/mempolicy.c:2201
filemap_alloc_folio+0x8e/0xb0 mm/filemap.c:1036
__page_cache_alloc include/linux/pagemap.h:325 [inline]
page_cache_ra_unbounded+0x36a/0x940 mm/readahead.c:215
do_page_cache_ra+0xf9/0x140 mm/readahead.c:268
do_sync_mmap_readahead mm/filemap.c:2996 [inline]
filemap_fault+0x1562/0x26d0 mm/filemap.c:3089
__do_fault+0x10d/0x4d0 mm/memory.c:3849
do_read_fault mm/memory.c:4164 [inline]
do_fault mm/memory.c:4293 [inline]
handle_pte_fault mm/memory.c:4551 [inline]
__handle_mm_fault+0x28e8/0x5120 mm/memory.c:4686
handle_mm_fault+0x1c8/0x790 mm/memory.c:4784
do_user_addr_fault+0x489/0x11c0 arch/x86/mm/fault.c:1397
handle_page_fault arch/x86/mm/fault.c:1485 [inline]
exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1541
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x7f881d5670b0
Code: 0f 00 00 48 83 fa 01 0f 84 bd 0f 00 00 49 89 d3 89 f1 89 f8 48 83 e1 3f 48 83 e0 3f 83 f9 30 77 49 83 f8 30 77 44 f3 0f 6f 0f 0f 6f 16 66 0f ef c0 66 0f 74 c1 66 0f 74 ca 66 0f f8 c8 66 0f
RSP: 002b:00007ffe42abf228 EFLAGS: 00010283
RAX: 0000000000000000 RBX: 00007ffe42abfe80 RCX: 000000000000002a
RDX: 0000000000000004 RSI: 00007f881e59b02a RDI: 00007ffe42abfe80
RBP: 000055b5f567f3c0 R08: 00000000fcff0000 R09: 0000000000000010
R10: 0000000000000075 R11: 0000000000000004 R12: 0000000000000014
R13: 0000000000000000 R14: 0000000000000004 R15: 0000000000000004
----------------
Code disassembly (best guess):
0: a0 c0 00 00 00 48 89 movabs 0x48e88948000000c0,%al
7: e8 48
9: c1 e8 03 shr $0x3,%eax
c: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1)
11: 0f 85 39 0f 00 00 jne 0xf50
17: 4c 8b 6d 00 mov 0x0(%rbp),%r13
1b: 48 c7 c7 ff ff ff ff mov $0xffffffffffffffff,%rdi
22: 4c 89 ee mov %r13,%rsi
25: e8 0b 09 d5 ff callq 0xffd50935
* 2a: 49 83 fd ff cmp $0xffffffffffffffff,%r13 <-- trapping instruction
2e: 0f 84 f3 0a 00 00 je 0xb27
34: e8 6c 06 d5 ff callq 0xffd506a5
39: 4c 8b 6d 00 mov 0x0(%rbp),%r13
3d: 49 rex.WB
3e: c1 .byte 0xc1
3f: ed in (%dx),%eax