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List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1849:b0:3a0:98b2:8f3b with SMTP id e9e14a558f8ab-3a098b2908fmr40529385ab.7.1726382223929; Sat, 14 Sep 2024 23:37:03 -0700 (PDT) Date: Sat, 14 Sep 2024 23:37:03 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000034483d062222af77@google.com> Subject: Re: [syzbot] [mm?] [exfat?] memory leak in corrupted (2) From: syzbot To: danielyangkang@gmail.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: memory leak in corrupted 2024/09/15 06:35:20 executed programs: 1 2024/09/15 06:35:26 executed programs: 3 BUG: memory leak unreferenced object 0xffff88811efdfc00 (size 96): comm "syz-executor", pid 6043, jiffies 4294946716 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ bb bb bb bb bb 00 00 73 79 7a 30 00 00 00 00 00 .......syz0..... backtrace (crc 3da58c63): [] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline] [] slab_post_alloc_hook mm/slub.c:3996 [inline] [] slab_alloc_node mm/slub.c:4041 [inline] [] __kmalloc_cache_noprof+0x282/0x320 mm/slub.c:4188 [] kmalloc_noprof include/linux/slab.h:681 [inline] [] nr_add_node+0xd0/0x1440 net/netrom/nr_route.c:185 [] nr_rt_ioctl+0xc49/0x1710 net/netrom/nr_route.c:651 [] nr_ioctl+0x11f/0x1a0 net/netrom/af_netrom.c:1254 [] sock_do_ioctl+0x82/0x1a0 net/socket.c:1222 [] sock_ioctl+0x14e/0x480 net/socket.c:1341 [] vfs_ioctl fs/ioctl.c:51 [inline] [] __do_sys_ioctl fs/ioctl.c:907 [inline] [] __se_sys_ioctl fs/ioctl.c:893 [inline] [] __x64_sys_ioctl+0xf6/0x150 fs/ioctl.c:893 [] do_syscall_x64 arch/x86/entry/common.c:52 [inline] [] do_syscall_64+0x9e/0x1d0 arch/x86/entry/common.c:83 [] entry_SYSCALL_64_after_hwframe+0x77/0x7f BUG: memory leak unreferenced object 0xffff88811dc39ae0 (size 96): comm "syz-executor", pid 6045, jiffies 4294946717 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ bb bb bb bb bb 00 00 73 79 7a 30 00 00 00 00 00 .......syz0..... backtrace (crc 2e887761): [] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline] [] slab_post_alloc_hook mm/slub.c:3996 [inline] [] slab_alloc_node mm/slub.c:4041 [inline] [] __kmalloc_cache_noprof+0x282/0x320 mm/slub.c:4188 [] kmalloc_noprof include/linux/slab.h:681 [inline] [] nr_add_node+0xd0/0x1440 net/netrom/nr_route.c:185 [] nr_rt_ioctl+0xc49/0x1710 net/netrom/nr_route.c:651 [] nr_ioctl+0x11f/0x1a0 net/netrom/af_netrom.c:1254 [] sock_do_ioctl+0x82/0x1a0 net/socket.c:1222 [] sock_ioctl+0x14e/0x480 net/socket.c:1341 [] vfs_ioctl fs/ioctl.c:51 [inline] [] __do_sys_ioctl fs/ioctl.c:907 [inline] [] __se_sys_ioctl fs/ioctl.c:893 [inline] [] __x64_sys_ioctl+0xf6/0x150 fs/ioctl.c:893 [] do_syscall_x64 arch/x86/entry/common.c:52 [inline] [] do_syscall_64+0x9e/0x1d0 arch/x86/entry/common.c:83 [] entry_SYSCALL_64_after_hwframe+0x77/0x7f BUG: memory leak unreferenced object 0xffff88810c3ea180 (size 96): comm "syz-executor", pid 6049, jiffies 4294947314 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ bb bb bb bb bb 00 00 73 79 7a 30 00 00 00 00 00 .......syz0..... backtrace (crc 7ec7dee2): [] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline] [] slab_post_alloc_hook mm/slub.c:3996 [inline] [] slab_alloc_node mm/slub.c:4041 [inline] [] __kmalloc_cache_noprof+0x282/0x320 mm/slub.c:4188 [] kmalloc_noprof include/linux/slab.h:681 [inline] [] nr_add_node+0xd0/0x1440 net/netrom/nr_route.c:185 [] nr_rt_ioctl+0xc49/0x1710 net/netrom/nr_route.c:651 [] nr_ioctl+0x11f/0x1a0 net/netrom/af_netrom.c:1254 [] sock_do_ioctl+0x82/0x1a0 net/socket.c:1222 [] sock_ioctl+0x14e/0x480 net/socket.c:1341 [] vfs_ioctl fs/ioctl.c:51 [inline] [] __do_sys_ioctl fs/ioctl.c:907 [inline] [] __se_sys_ioctl fs/ioctl.c:893 [inline] [] __x64_sys_ioctl+0xf6/0x150 fs/ioctl.c:893 [] do_syscall_x64 arch/x86/entry/common.c:52 [inline] [] do_syscall_64+0x9e/0x1d0 arch/x86/entry/common.c:83 [] entry_SYSCALL_64_after_hwframe+0x77/0x7f BUG: memory leak unreferenced object 0xffff88810c32eea0 (size 96): comm "syz-executor", pid 6051, jiffies 4294947315 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ bb bb bb bb bb 00 00 73 79 7a 30 00 00 00 00 00 .......syz0..... backtrace (crc f02899b5): [] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline] [] slab_post_alloc_hook mm/slub.c:3996 [inline] [] slab_alloc_node mm/slub.c:4041 [inline] [] __kmalloc_cache_noprof+0x282/0x320 mm/slub.c:4188 [] kmalloc_noprof include/linux/slab.h:681 [inline] [] nr_add_node+0xd0/0x1440 net/netrom/nr_route.c:185 [] nr_rt_ioctl+0xc49/0x1710 net/netrom/nr_route.c:651 [] nr_ioctl+0x11f/0x1a0 net/netrom/af_netrom.c:1254 [] sock_do_ioctl+0x82/0x1a0 net/socket.c:1222 [] sock_ioctl+0x14e/0x480 net/socket.c:1341 [] vfs_ioctl fs/ioctl.c:51 [inline] [] __do_sys_ioctl fs/ioctl.c:907 [inline] [] __se_sys_ioctl fs/ioctl.c:893 [inline] [] __x64_sys_ioctl+0xf6/0x150 fs/ioctl.c:893 [] do_syscall_x64 arch/x86/entry/common.c:52 [inline] [] do_syscall_64+0x9e/0x1d0 arch/x86/entry/common.c:83 [] entry_SYSCALL_64_after_hwframe+0x77/0x7f Tested on: commit: 0babf683 Merge tag 'pinctrl-v6.11-4' of git://git.kern.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1772f49f980000 kernel config: https://syzkaller.appspot.com/x/.config?x=aff2ee6dd356627d dashboard link: https://syzkaller.appspot.com/bug?extid=e1c69cadec0f1a078e3d compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=1682f49f980000