Hello, syzbot found the following issue on: HEAD commit: ae545c3283dc Merge tag 'gpio-fixes-for-v6.5-rc6' of git://.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=17d1456fa80000 kernel config: https://syzkaller.appspot.com/x/.config?x=2bf8962e4f7984f4 dashboard link: https://syzkaller.appspot.com/bug?extid=cb729843d0f42a5c1a50 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=143edef7a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16e93037a80000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/ab6a1e819c1f/disk-ae545c32.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/55f3314970f5/vmlinux-ae545c32.xz kernel image: https://storage.googleapis.com/syzbot-assets/1a27c3b2a812/bzImage-ae545c32.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+cb729843d0f42a5c1a50@xxxxxxxxxxxxxxxxxxxxxxxxx Warning: Permanently added '10.128.1.14' (ED25519) to the list of known hosts. executing program executing program executing program BUG: memory leak unreferenced object 0xffff888109d2e400 (size 1024): comm "syz-executor121", pid 5006, jiffies 4294943225 (age 17.760s) 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: [<ffffffff81554bbb>] __do_kmalloc_node mm/slab_common.c:984 [inline] [<ffffffff81554bbb>] __kmalloc_node+0x4b/0x150 mm/slab_common.c:992 [<ffffffff815440f9>] kmalloc_node include/linux/slab.h:602 [inline] [<ffffffff815440f9>] kvmalloc_node+0x99/0x170 mm/util.c:604 [<ffffffff824c52fe>] kvmalloc include/linux/slab.h:720 [inline] [<ffffffff824c52fe>] kvmalloc_array include/linux/slab.h:738 [inline] [<ffffffff824c52fe>] want_pages_array lib/iov_iter.c:985 [inline] [<ffffffff824c52fe>] iov_iter_extract_user_pages lib/iov_iter.c:1765 [inline] [<ffffffff824c52fe>] iov_iter_extract_pages+0x1ee/0xa40 lib/iov_iter.c:1831 [<ffffffff824125a7>] bio_map_user_iov+0x167/0x5d0 block/blk-map.c:297 [<ffffffff82412df3>] blk_rq_map_user_iov+0x3e3/0xb30 block/blk-map.c:664 [<ffffffff82413943>] blk_rq_map_user block/blk-map.c:691 [inline] [<ffffffff82413943>] blk_rq_map_user_io+0x143/0x160 block/blk-map.c:724 [<ffffffff82ca0925>] sg_io+0x285/0x510 drivers/scsi/scsi_ioctl.c:456 [<ffffffff82ca1025>] scsi_cdrom_send_packet+0x1b5/0x480 drivers/scsi/scsi_ioctl.c:820 [<ffffffff82ca13ba>] scsi_ioctl+0xca/0xd30 drivers/scsi/scsi_ioctl.c:903 [<ffffffff82d35964>] sg_ioctl+0x5f4/0x10a0 drivers/scsi/sg.c:1163 [<ffffffff8168e602>] vfs_ioctl fs/ioctl.c:51 [inline] [<ffffffff8168e602>] __do_sys_ioctl fs/ioctl.c:870 [inline] [<ffffffff8168e602>] __se_sys_ioctl fs/ioctl.c:856 [inline] [<ffffffff8168e602>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:856 [<ffffffff84ad2bb8>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff84ad2bb8>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff888109d2dc00 (size 1024): comm "syz-executor121", pid 5007, jiffies 4294943747 (age 12.540s) 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: [<ffffffff81554bbb>] __do_kmalloc_node mm/slab_common.c:984 [inline] [<ffffffff81554bbb>] __kmalloc_node+0x4b/0x150 mm/slab_common.c:992 [<ffffffff815440f9>] kmalloc_node include/linux/slab.h:602 [inline] [<ffffffff815440f9>] kvmalloc_node+0x99/0x170 mm/util.c:604 [<ffffffff824c52fe>] kvmalloc include/linux/slab.h:720 [inline] [<ffffffff824c52fe>] kvmalloc_array include/linux/slab.h:738 [inline] [<ffffffff824c52fe>] want_pages_array lib/iov_iter.c:985 [inline] [<ffffffff824c52fe>] iov_iter_extract_user_pages lib/iov_iter.c:1765 [inline] [<ffffffff824c52fe>] iov_iter_extract_pages+0x1ee/0xa40 lib/iov_iter.c:1831 [<ffffffff824125a7>] bio_map_user_iov+0x167/0x5d0 block/blk-map.c:297 [<ffffffff82412df3>] blk_rq_map_user_iov+0x3e3/0xb30 block/blk-map.c:664 [<ffffffff82413943>] blk_rq_map_user block/blk-map.c:691 [inline] [<ffffffff82413943>] blk_rq_map_user_io+0x143/0x160 block/blk-map.c:724 [<ffffffff82ca0925>] sg_io+0x285/0x510 drivers/scsi/scsi_ioctl.c:456 [<ffffffff82ca1025>] scsi_cdrom_send_packet+0x1b5/0x480 drivers/scsi/scsi_ioctl.c:820 [<ffffffff82ca13ba>] scsi_ioctl+0xca/0xd30 drivers/scsi/scsi_ioctl.c:903 [<ffffffff82d35964>] sg_ioctl+0x5f4/0x10a0 drivers/scsi/sg.c:1163 [<ffffffff8168e602>] vfs_ioctl fs/ioctl.c:51 [inline] [<ffffffff8168e602>] __do_sys_ioctl fs/ioctl.c:870 [inline] [<ffffffff8168e602>] __se_sys_ioctl fs/ioctl.c:856 [inline] [<ffffffff8168e602>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:856 [<ffffffff84ad2bb8>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff84ad2bb8>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff888109d2d800 (size 1024): comm "syz-executor121", pid 5010, jiffies 4294944269 (age 7.320s) 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: [<ffffffff81554bbb>] __do_kmalloc_node mm/slab_common.c:984 [inline] [<ffffffff81554bbb>] __kmalloc_node+0x4b/0x150 mm/slab_common.c:992 [<ffffffff815440f9>] kmalloc_node include/linux/slab.h:602 [inline] [<ffffffff815440f9>] kvmalloc_node+0x99/0x170 mm/util.c:604 [<ffffffff824c52fe>] kvmalloc include/linux/slab.h:720 [inline] [<ffffffff824c52fe>] kvmalloc_array include/linux/slab.h:738 [inline] [<ffffffff824c52fe>] want_pages_array lib/iov_iter.c:985 [inline] [<ffffffff824c52fe>] iov_iter_extract_user_pages lib/iov_iter.c:1765 [inline] [<ffffffff824c52fe>] iov_iter_extract_pages+0x1ee/0xa40 lib/iov_iter.c:1831 [<ffffffff824125a7>] bio_map_user_iov+0x167/0x5d0 block/blk-map.c:297 [<ffffffff82412df3>] blk_rq_map_user_iov+0x3e3/0xb30 block/blk-map.c:664 [<ffffffff82413943>] blk_rq_map_user block/blk-map.c:691 [inline] [<ffffffff82413943>] blk_rq_map_user_io+0x143/0x160 block/blk-map.c:724 [<ffffffff82ca0925>] sg_io+0x285/0x510 drivers/scsi/scsi_ioctl.c:456 [<ffffffff82ca1025>] scsi_cdrom_send_packet+0x1b5/0x480 drivers/scsi/scsi_ioctl.c:820 [<ffffffff82ca13ba>] scsi_ioctl+0xca/0xd30 drivers/scsi/scsi_ioctl.c:903 [<ffffffff82d35964>] sg_ioctl+0x5f4/0x10a0 drivers/scsi/sg.c:1163 [<ffffffff8168e602>] vfs_ioctl fs/ioctl.c:51 [inline] [<ffffffff8168e602>] __do_sys_ioctl fs/ioctl.c:870 [inline] [<ffffffff8168e602>] __se_sys_ioctl fs/ioctl.c:856 [inline] [<ffffffff8168e602>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:856 [<ffffffff84ad2bb8>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff84ad2bb8>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the bug is already fixed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite bug's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the bug is a duplicate of another bug, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
