[bug report] kmemleak issue observed during blktests

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi

I found the following kmemleak issue on the latest
linux-block/for-next, please help check it and let me know if you need
any info/testing for it, thanks.

commit: linux-block/for-next: 8192f418ee2f (HEAD -> for-next,
origin/for-next) Merge branch 'for-6.17/io_uring' into for-next

# dmesg | grep kmemleak
[31404.993877] kmemleak: 608 new suspected memory leaks (see
/sys/kernel/debug/kmemleak)

unreferenced object 0xffff8882e7fb9000 (size 2048):
  comm "check", pid 10460, jiffies 4324980514
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc c47e6a37):
    __kvmalloc_node_noprof+0x55d/0x7a0
    sbitmap_init_node+0x15a/0x6a0
    kyber_init_hctx+0x316/0xb90
    blk_mq_init_sched+0x416/0x580
    elevator_switch+0x18b/0x630
    elv_update_nr_hw_queues+0x219/0x2c0
    __blk_mq_update_nr_hw_queues+0x36a/0x6f0
    blk_mq_update_nr_hw_queues+0x3a/0x60
    find_fallback+0x510/0x540 [nbd]
    nbd_send_cmd+0x24b/0x1480 [nbd]
    configfs_write_iter+0x2ae/0x470
    vfs_write+0x524/0xe70
    ksys_write+0xff/0x200
    do_syscall_64+0x98/0x3c0
    entry_SYSCALL_64_after_hwframe+0x76/0x7e
unreferenced object 0xffff8882e7fbb000 (size 2048):
  comm "check", pid 10460, jiffies 4324980514
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc c47e6a37):
    __kvmalloc_node_noprof+0x55d/0x7a0
    sbitmap_init_node+0x15a/0x6a0
    kyber_init_hctx+0x316/0xb90
    blk_mq_init_sched+0x416/0x580
    elevator_switch+0x18b/0x630
    elv_update_nr_hw_queues+0x219/0x2c0
    __blk_mq_update_nr_hw_queues+0x36a/0x6f0
    blk_mq_update_nr_hw_queues+0x3a/0x60
    find_fallback+0x510/0x540 [nbd]
    nbd_send_cmd+0x24b/0x1480 [nbd]
    configfs_write_iter+0x2ae/0x470
    vfs_write+0x524/0xe70
    ksys_write+0xff/0x200
    do_syscall_64+0x98/0x3c0
    entry_SYSCALL_64_after_hwframe+0x76/0x7e
unreferenced object 0xffff88819e855000 (size 2048):
  comm "check", pid 10460, jiffies 4324980514
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc c47e6a37):
    __kvmalloc_node_noprof+0x55d/0x7a0
    sbitmap_init_node+0x15a/0x6a0
    kyber_init_hctx+0x316/0xb90
    blk_mq_init_sched+0x416/0x580
    elevator_switch+0x18b/0x630
    elv_update_nr_hw_queues+0x219/0x2c0
    __blk_mq_update_nr_hw_queues+0x36a/0x6f0
    blk_mq_update_nr_hw_queues+0x3a/0x60
    find_fallback+0x510/0x540 [nbd]
    nbd_send_cmd+0x24b/0x1480 [nbd]
    configfs_write_iter+0x2ae/0x470
    vfs_write+0x524/0xe70
    ksys_write+0xff/0x200
    do_syscall_64+0x98/0x3c0
    entry_SYSCALL_64_after_hwframe+0x76/0x7e


-- 
Best Regards,
  Yi Zhang





[Index of Archives]     [Linux RAID]     [Linux SCSI]     [Linux ATA RAID]     [IDE]     [Linux Wireless]     [Linux Kernel]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Device Mapper]

  Powered by Linux