INFO: task syz-executor.3:13516 blocked for more than 143 seconds.
Not tainted 5.18.0-rc4-syzkaller-00192-g38d741cb70b3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:29368 pid:13516 ppid: 3624 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0xa9a/0x4cc0 kernel/sched/core.c:6388
schedule+0xd2/0x1f0 kernel/sched/core.c:6460
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:793 [inline]
blkdev_fallocate+0x1e2/0x410 block/fops.c:654
vfs_fallocate+0x487/0xe00 fs/open.c:308
madvise_remove mm/madvise.c:965 [inline]
madvise_vma_behavior+0x9b9/0x1cf0 mm/madvise.c:989
madvise_walk_vmas+0x1d5/0x2d0 mm/madvise.c:1221
do_madvise mm/madvise.c:1399 [inline]
do_madvise+0x2d4/0x3c0 mm/madvise.c:1357
__do_sys_madvise mm/madvise.c:1412 [inline]
__se_sys_madvise mm/madvise.c:1410 [inline]
__x64_sys_madvise+0xa6/0x110 mm/madvise.c:1410
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: 0033:0x7fbacda890e9
RSP: 002b:00007fbacec8f168 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007fbacdb9c030 RCX: 00007fbacda890e9
RDX: 0000000000000009 RSI: 0000000000600003 RDI: 0000000020000000
RBP: 00007fbacdae308d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd04f8e4cf R14: 00007fbacec8f300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8bd820e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6467
1 lock held by klogd/2951:
#0: ffff8880b9c3a018 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:554
2 locks held by getty/3279:
#0: ffff88807f330098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90002ce62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcea/0x1230 drivers/tty/n_tty.c:2075
2 locks held by syz-executor.3/13502:
1 lock held by syz-executor.3/13516:
#0: ffff88801104e548 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:793 [inline]
#0: ffff88801104e548 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e2/0x410 block/fops.c:654
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.18.0-rc4-syzkaller-00192-g38d741cb70b3 #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:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5494 Comm: kworker/u4:12 Not tainted 5.18.0-rc4-syzkaller-00192-g38d741cb70b3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: 0x0 (phy5)
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:101 [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+0x59/0x180 mm/kasan/generic.c:189
Code: 00 49 83 e9 01 48 89 fd 48 b8 00 00 00 00 00 fc ff df 4d 89 ca 48 c1 ed 03 49 c1 ea 03 48 01 c5 49 01 c2 48 89 e8 49 8d 5a 01 <48> 89 da 48 29 ea 48 83 fa 10 7e 63 41 89 eb 41 83 e3 07 75 74 4c
RSP: 0018:ffffc900144afb58 EFLAGS: 00000086
RAX: fffff52002895f74 RBX: fffff52002895f75 RCX: ffffffff815e1990
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc900144afba0
RBP: fffff52002895f74 R08: 0000000000000001 R09: ffffc900144afba3
R10: fffff52002895f74 R11: 0000000000000001 R12: ffffffff907cfae0
R13: ffffffff907cfae8 R14: 1ffff92002895f88 R15: ffff88801d16d848
FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c00f5a2048 CR3: 000000007f44c000 CR4: 0000000000350ef0
Call Trace:
instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:542 [inline]
queued_spin_lock include/asm-generic/qspinlock.h:82 [inline]
do_raw_spin_lock+0x120/0x2a0 kernel/locking/spinlock_debug.c:115
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
_raw_spin_lock_irqsave+0x41/0x50 kernel/locking/spinlock.c:162
debug_object_deactivate lib/debugobjects.c:735 [inline]
debug_object_deactivate+0x101/0x300 lib/debugobjects.c:723
debug_work_deactivate kernel/workqueue.c:515 [inline]
process_one_work+0x399/0x1610 kernel/workqueue.c:2219
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
----------------
Code disassembly (best guess):
0: 00 49 83 add %cl,-0x7d(%rcx)
3: e9 01 48 89 fd jmpq 0xfd894809
8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
f: fc ff df
12: 4d 89 ca mov %r9,%r10
15: 48 c1 ed 03 shr $0x3,%rbp
19: 49 c1 ea 03 shr $0x3,%r10
1d: 48 01 c5 add %rax,%rbp
20: 49 01 c2 add %rax,%r10
23: 48 89 e8 mov %rbp,%rax
26: 49 8d 5a 01 lea 0x1(%r10),%rbx
* 2a: 48 89 da mov %rbx,%rdx <-- trapping instruction
2d: 48 29 ea sub %rbp,%rdx
30: 48 83 fa 10 cmp $0x10,%rdx
34: 7e 63 jle 0x99
36: 41 89 eb mov %ebp,%r11d
39: 41 83 e3 07 and $0x7,%r11d
3d: 75 74 jne 0xb3
3f: 4c rex.WR