RDX: 0000000000000036 RSI: 0000000020000180 RDI: 00000000000000f0 RBP: 00007f51c39841d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 R13: 00007ffede20112f R14: 00007f51c3984300 R15: 0000000000022000 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: 21888 Comm: syz-executor.2 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:ffff88804e3b7d70 EFLAGS: 00010212 RAX: dffffc0000000000 RBX: ffff88804a3d0000 RCX: ffffc90000be3000 RDX: 0000000000000029 RSI: ffffffff81837cb9 RDI: 0000000000000148 RBP: 0000000000000002 R08: 0000000000000000 R09: ffff88804a3d03c7 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88804a3d03c0 R13: 0000000000000000 R14: ffff88804a3d0048 R15: ffff88804a3d0000 FS: 00007f0a7dcfc700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0a7dcdb718 CR3: 00000000452b2000 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:00007f0a7dcfc108 EFLAGS: 00000202 ORIG_RAX: 00000000000001a9 RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 0000000000466609 RDX: 0000000020ffb000 RSI: 0000000020000000 RDI: 0000000000004928 RBP: 0000000020000000 R08: 0000000020000200 R09: 0000000020000200 R10: 00000000200001c0 R11: 0000000000000202 R12: 0000000020000200 R13: 0000000020ffb000 R14: 00000000200001c0 R15: 0000000020ffe000 Modules linked in: ---[ end trace d2b3f21c7d9c706b ]--- 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:ffff88804e3b7d70 EFLAGS: 00010212 RAX: dffffc0000000000 RBX: ffff88804a3d0000 RCX: ffffc90000be3000 RDX: 0000000000000029 RSI: ffffffff81837cb9 RDI: 0000000000000148 RBP: 0000000000000002 R08: 0000000000000000 R09: ffff88804a3d03c7 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88804a3d03c0 R13: 0000000000000000 R14: ffff88804a3d0048 R15: ffff88804a3d0000 FS: 00007f0a7dcfc700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0a7dcdb718 CR3: 00000000452b2000 CR4: 0000000000350ee0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 21916 Comm: syz-executor.1 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] kmem_cache_alloc+0x159/0x350 mm/slub.c:2902 dst_alloc+0x9e/0x610 net/core/dst.c:93 rt_dst_alloc+0x73/0x430 net/ipv4/route.c:1645 __mkroute_output net/ipv4/route.c:2473 [inline] ip_route_output_key_hash_rcu+0x7ef/0x2330 net/ipv4/route.c:2700 ip_route_output_key_hash+0x18d/0x300 net/ipv4/route.c:2528 icmp_route_lookup.constprop.0+0x349/0x1150 net/ipv4/icmp.c:507 __icmp_send+0xa36/0x1480 net/ipv4/icmp.c:740 icmp_send include/net/icmp.h:43 [inline] ip_options_compile+0xad/0xf0 net/ipv4/ip_options.c:486 ip_rcv_options net/ipv4/ip_input.c:278 [inline] ip_rcv_finish_core.constprop.0+0x430/0x1a10 net/ipv4/ip_input.c:370 ip_rcv_finish+0x4f/0x1e0 net/ipv4/ip_input.c:426 NF_HOOK include/linux/netfilter.h:301 [inline] NF_HOOK include/linux/netfilter.h:295 [inline] ip_rcv+0xaa/0xd0 net/ipv4/ip_input.c:539 __netif_receive_skb_one_core+0x197/0x1e0 net/core/dev.c:5344 __netif_receive_skb+0x27/0x1c0 net/core/dev.c:5458 netif_receive_skb_internal net/core/dev.c:5563 [inline] netif_receive_skb+0x12d/0x800 net/core/dev.c:5622 tun_rx_batched.isra.0+0x462/0x710 drivers/net/tun.c:1493 tun_get_user+0x202e/0x31a0 drivers/net/tun.c:1947 tun_chr_write_iter+0xe1/0x1d0 drivers/net/tun.c:1980 call_write_iter include/linux/fs.h:1903 [inline] new_sync_write+0x42c/0x660 fs/read_write.c:518 vfs_write+0x743/0xa20 fs/read_write.c:605 ksys_write+0x12d/0x250 fs/read_write.c:658 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x4192bf Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 RSP: 002b:00007f51c3984150 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004192bf RDX: 0000000000000036 RSI: 0000000020000180 RDI: 00000000000000f0 RBP: 00007f51c39841d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 R13: 00007ffede20112f R14: 00007f51c3984300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 21935 Comm: syz-executor.1 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_trace+0x55/0x360 mm/slub.c:2914 kmalloc include/linux/slab.h:552 [inline] ip_setup_cork+0x6de/0x920 net/ipv4/ip_output.c:1261 ip_append_data net/ipv4/ip_output.c:1320 [inline] ip_append_data+0x163/0x1a0 net/ipv4/ip_output.c:1306 icmp_push_reply+0x13b/0x490 net/ipv4/icmp.c:374 __icmp_send+0xbb1/0x1480 net/ipv4/icmp.c:769 icmp_send include/net/icmp.h:43 [inline] ip_options_compile+0xad/0xf0 net/ipv4/ip_options.c:486 ip_rcv_options net/ipv4/ip_input.c:278 [inline] ip_rcv_finish_core.constprop.0+0x430/0x1a10 net/ipv4/ip_input.c:370 ip_rcv_finish+0x4f/0x1e0 net/ipv4/ip_input.c:426 NF_HOOK include/linux/netfilter.h:301 [inline] NF_HOOK include/linux/netfilter.h:295 [inline] ip_rcv+0xaa/0xd0 net/ipv4/ip_input.c:539 __netif_receive_skb_one_core+0x197/0x1e0 net/core/dev.c:5344 __netif_receive_skb+0x27/0x1c0 net/core/dev.c:5458 netif_receive_skb_internal net/core/dev.c:5563 [inline] netif_receive_skb+0x12d/0x800 net/core/dev.c:5622 tun_rx_batched.isra.0+0x462/0x710 drivers/net/tun.c:1493 tun_get_user+0x202e/0x31a0 drivers/net/tun.c:1947 tun_chr_write_iter+0xe1/0x1d0 drivers/net/tun.c:1980 call_write_iter include/linux/fs.h:1903 [inline] new_sync_write+0x42c/0x660 fs/read_write.c:518 vfs_write+0x743/0xa20 fs/read_write.c:605 ksys_write+0x12d/0x250 fs/read_write.c:658 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x4192bf Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 RSP: 002b:00007f51c3984150 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004192bf RDX: 0000000000000036 RSI: 0000000020000180 RDI: 00000000000000f0 RBP: 00007f51c39841d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 R13: 00007ffede20112f R14: 00007f51c3984300 R15: 0000000000022000