IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 kobject: 'loop4' (ffff88012496e260): kobject_uevent_env kobject: 'loop4' (ffff88012496e260): fill_kobj_path: path = '/devices/virtual/block/loop4' ================================================================== BUG: KASAN: slab-out-of-bounds in crypto_aead_alg include/crypto/aead.h:198 [inline] at addr ffff88011721a820 BUG: KASAN: slab-out-of-bounds in crypto_aead_decrypt include/crypto/aead.h:362 [inline] at addr ffff88011721a820 BUG: KASAN: slab-out-of-bounds in aead_recvmsg_sync crypto/algif_aead.c:655 [inline] at addr ffff88011721a820 BUG: KASAN: slab-out-of-bounds in aead_recvmsg+0x19fa/0x2030 crypto/algif_aead.c:689 at addr ffff88011721a820 Read of size 8 by task syz-executor.4/6237 CPU: 1 PID: 6237 Comm: syz-executor.4 Not tainted 4.9.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801172178c0 ffffffff82ab8566 ffff88012bc00900 ffff88011721a840 ffff88011721b840 0000000000000010 ffff8801172178e8 ffffffff8177404c ffff880117217978 ffff88011721a820 ffff880117217b10 ffff880117217968 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xe6/0x120 lib/dump_stack.c:51 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:156 [] print_address_description mm/kasan/report.c:194 [inline] [] kasan_report_error+0x1b0/0x480 mm/kasan/report.c:283 [] kasan_report mm/kasan/report.c:303 [inline] [] __asan_report_load8_noabort+0x3e/0x40 mm/kasan/report.c:324 [] crypto_aead_alg include/crypto/aead.h:198 [inline] [] crypto_aead_decrypt include/crypto/aead.h:362 [inline] [] aead_recvmsg_sync crypto/algif_aead.c:655 [inline] [] aead_recvmsg+0x19fa/0x2030 crypto/algif_aead.c:689 [] sock_recvmsg_nosec net/socket.c:708 [inline] [] sock_recvmsg+0xc2/0x100 net/socket.c:715 [] sock_read_iter+0x20e/0x3a0 net/socket.c:792 [] do_iter_readv_writev+0x297/0x630 fs/read_write.c:695 [] do_readv_writev+0x399/0x660 fs/read_write.c:872 [] vfs_readv+0x67/0xa0 fs/read_write.c:898 [] do_readv+0xd8/0x270 fs/read_write.c:924 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0xb/0x10 fs/read_write.c:1008 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Object at ffff88011721a840, in cache kmalloc-4096 size: 4096 Allocated: PID = 6237 [] save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 [] save_stack+0x46/0xd0 mm/kasan/kasan.c:479 [] set_track mm/kasan/kasan.c:491 [inline] [] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:582 [] __do_kmalloc mm/slab.c:3725 [inline] [] __kmalloc+0x189/0x760 mm/slab.c:3734 [] kmalloc include/linux/slab.h:495 [inline] [] sock_kmalloc+0x6d/0xb0 net/core/sock.c:1779 [] aead_accept_parent+0xb8/0x530 crypto/algif_aead.c:776 [] af_alg_accept+0x1f0/0x780 crypto/af_alg.c:293 [] alg_accept+0x30/0x50 crypto/af_alg.c:328 [] SYSC_accept4+0x2fb/0x5b0 net/socket.c:1465 [] SyS_accept4 net/socket.c:1415 [inline] [] SYSC_accept net/socket.c:1499 [inline] [] SyS_accept+0xb/0x10 net/socket.c:1496 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Freed: PID = 0 (stack is not available) Memory state around the buggy address: ffff88011721a700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88011721a780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88011721a800: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 ^ ffff88011721a880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88011721a900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ================================================================== ------------[ cut here ]------------ kernel BUG at ./include/linux/scatterlist.h:189! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 6237 Comm: syz-executor.4 Tainted: G B 4.9.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88011720e200 task.stack: ffff880117210000 RIP: 0010:[] [] sg_mark_end include/linux/scatterlist.h:189 [inline] RIP: 0010:[] [] aead_recvmsg_sync crypto/algif_aead.c:650 [inline] RIP: 0010:[] [] aead_recvmsg+0x181f/0x2030 crypto/algif_aead.c:689 RSP: 0018:ffff8801172179b0 EFLAGS: 00010202 RAX: 0000000087654321 RBX: ffff88011721a820 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffff88788ba0 RBP: ffff880117217a80 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000010 R11: 0000000000000000 R12: ffff88011721a848 R13: ffff880117217b10 R14: 0000000000000010 R15: ffff88011721a840 FS: 00007f1e45ff1700(0000) GS:ffff88012c100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200002c0 CR3: 000000011c257000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffff88011720ea08 ffff88011720ea10 ffffffff881bf290 c52260d8680cb1aa 0000000041b58ab3 ffffffff868e3ed8 ffffffff81452520 ffff88011721ae86 ffff88011721ae88 ffff88011721aeb0 0000000000000000 ffff88011721ae10 Call Trace: [] sock_recvmsg_nosec net/socket.c:708 [inline] [] sock_recvmsg+0xc2/0x100 net/socket.c:715 [] sock_read_iter+0x20e/0x3a0 net/socket.c:792 [] do_iter_readv_writev+0x297/0x630 fs/read_write.c:695 [] do_readv_writev+0x399/0x660 fs/read_write.c:872 [] vfs_readv+0x67/0xa0 fs/read_write.c:898 [] do_readv+0xd8/0x270 fs/read_write.c:924 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0xb/0x10 fs/read_write.c:1008 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Code: ff ff 41 89 c7 e9 f1 fc ff ff 49 8d 87 c8 05 00 00 41 bd ea ff ff ff 48 89 45 c8 49 8d 87 d0 05 00 00 48 89 45 88 e9 e6 f5 ff ff <0f> 0b 48 8b 95 48 ff ff ff 48 b8 00 00 00 00 00 fc ff df 48 c1 RIP [] aead_recvmsg_sync crypto/algif_aead.c:646 [inline] RIP [] aead_recvmsg+0x181f/0x2030 crypto/algif_aead.c:689 RSP ---[ end trace 30769b9a3cf6895b ]---