R13: 00007fff746d798f R14: 00007f708cca2300 R15: 0000000000022000 9pnet: p9_fd_create_tcp (13212): problem connecting socket to 127.0.0.1 nfs: Unknown parameter '(\.*}' nfs: Unknown parameter '(\.*}' general protection fault, probably for non-canonical address 0xdffffc0000000029: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000148-0x000000000000014f] CPU: 1 PID: 13236 Comm: syz-executor.7 Not tainted 5.10.52 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:io_sq_offload_start fs/io_uring.c:7995 [inline] RIP: 0010:io_disable_sqo_submit+0x1b1/0x230 fs/io_uring.c:8715 Code: e8 f4 01 bc ff 85 ed 0f 84 fc fe ff ff e8 77 08 bc ff 49 8d bd 48 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 64 49 8b ad 48 01 00 00 48 85 ed 0f 84 c9 fe ff ff RSP: 0018:ffff88804c97fd70 EFLAGS: 00010212 RAX: dffffc0000000000 RBX: ffff888049e49000 RCX: ffffc90008c1f000 RDX: 0000000000000029 RSI: ffffffff81837cb9 RDI: 0000000000000148 RBP: 0000000000000002 R08: 0000000000000000 R09: ffff888049e493c7 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888049e493c0 R13: 0000000000000000 R14: ffff888049e49048 R15: ffff888049e49000 FS: 00007f61a17b9700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055c0fae74970 CR3: 0000000049fa0000 CR4: 0000000000350ee0 Call Trace: io_uring_create fs/io_uring.c:9508 [inline] io_uring_setup+0x14e0/0x2ee0 fs/io_uring.c:9536 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x466609 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f61a17b9108 EFLAGS: 00000202 ORIG_RAX: 00000000000001a9 RAX: ffffffffffffffda RBX: 000000000056c318 RCX: 0000000000466609 RDX: 0000000020cae000 RSI: 0000000020000000 RDI: 0000000000003cba RBP: 0000000020000000 R08: 0000000020000200 R09: 0000000020000200 R10: 00000000200000c0 R11: 0000000000000202 R12: 0000000020000200 R13: 0000000020cae000 R14: 00000000200000c0 R15: 0000000020d91000 Modules linked in: ---[ end trace 342098cba3ca07cf ]--- RIP: 0010:io_sq_offload_start fs/io_uring.c:7995 [inline] RIP: 0010:io_disable_sqo_submit+0x1b1/0x230 fs/io_uring.c:8715 Code: e8 f4 01 bc ff 85 ed 0f 84 fc fe ff ff e8 77 08 bc ff 49 8d bd 48 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 64 49 8b ad 48 01 00 00 48 85 ed 0f 84 c9 fe ff ff RSP: 0018:ffff88804c97fd70 EFLAGS: 00010212 RAX: dffffc0000000000 RBX: ffff888049e49000 RCX: ffffc90008c1f000 RDX: 0000000000000029 RSI: ffffffff81837cb9 RDI: 0000000000000148 RBP: 0000000000000002 R08: 0000000000000000 R09: ffff888049e493c7 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888049e493c0 R13: 0000000000000000 R14: ffff888049e49048 R15: ffff888049e49000 FS: 00007f61a17b9700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055c0fae74970 CR3: 0000000049fa0000 CR4: 0000000000350ee0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 13268 Comm: syz-executor.0 Tainted: G D 5.10.52 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x107/0x163 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:52 [inline] should_fail.cold+0x5/0xa lib/fault-inject.c:146 should_failslab+0x5/0x10 mm/slab_common.c:1193 slab_pre_alloc_hook mm/slab.h:515 [inline] slab_alloc_node mm/slub.c:2814 [inline] slab_alloc mm/slub.c:2897 [inline] kmem_cache_alloc+0x5b/0x350 mm/slub.c:2902 mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2889 [inline] slab_alloc mm/slub.c:2897 [inline] __kmalloc_track_caller+0x177/0x3c0 mm/slub.c:4456 kmemdup_nul+0x2d/0xa0 mm/util.c:151 parse_opts net/9p/client.c:178 [inline] p9_client_create+0x51e/0x1090 net/9p/client.c:1022 v9fs_session_init+0x1dd/0x1690 fs/9p/v9fs.c:406 v9fs_mount+0x79/0x8f0 fs/9p/vfs_super.c:126 legacy_get_tree+0x105/0x220 fs/fs_context.c:592 vfs_get_tree+0x8e/0x2f0 fs/super.c:1549 do_new_mount fs/namespace.c:2881 [inline] path_mount+0x139a/0x2080 fs/namespace.c:3211 do_mount fs/namespace.c:3224 [inline] __do_sys_mount fs/namespace.c:3432 [inline] __se_sys_mount fs/namespace.c:3409 [inline] __x64_sys_mount+0x27e/0x300 fs/namespace.c:3409 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x466609 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f708cca2188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 0000000000466609 RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 0000000020000000 RBP: 00007f708cca21d0 R08: 00000000200001c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007fff746d798f R14: 00007f708cca2300 R15: 0000000000022000 9pnet: p9_fd_create_tcp (13268): problem connecting socket to 127.0.0.1 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.7'. EXT4-fs (loop7): Mount option "noacl" will be removed by 3.5 Contact linux-ext4@vger.kernel.org if you think we should keep it. EXT4-fs (loop7): bad geometry: block count 128 exceeds size of device (1 blocks) netlink: 4 bytes leftover after parsing attributes in process `syz-executor.7'. EXT4-fs (loop7): Mount option "noacl" will be removed by 3.5 Contact linux-ext4@vger.kernel.org if you think we should keep it. EXT4-fs (loop7): bad geometry: block count 128 exceeds size of device (1 blocks)