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general protection fault, probably for non-canonical address 0xfbd59c0000000007: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xdead000000000038-0xdead00000000003f] CPU: 0 PID: 3790 Comm: kworker/0:4 Not tainted 5.16.0-rc3-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 Workqueue: mld mld_ifc_work RIP: 0010:__ipv6_get_lladdr+0xa8/0x230 net/ipv6/addrconf.c:1849 Code: 01 00 00 48 8b 83 60 01 00 00 48 8d 98 a8 fe ff ff 49 39 c6 0f 84 30 01 00 00 e8 53 d7 90 f9 48 8d 7b 72 48 89 f8 48 c1 e8 03 <42> 0f b6 14 28 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 RSP: 0018:ffffc900042bfa08 EFLAGS: 00010a03 RAX: 1bd5a00000000007 RBX: deacffffffffffca RCX: 0000000000000000 RDX: ffff88801933e280 RSI: ffffffff87e5fced RDI: dead00000000003c RBP: ffffc900042bfa38 R08: 0000000000000000 R09: 0000000000000020 R10: ffffffff87e5fd87 R11: 0000000000000020 R12: 0000000000000040 R13: dffffc0000000000 R14: ffff888046c1e008 R15: 0000000000000040 FS: 0000000000000000(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0aad517004 CR3: 0000000019b42000 CR4: 0000000000150ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> mld_newpack+0x3ad/0x770 net/ipv6/mcast.c:1762 add_grhead+0x265/0x330 net/ipv6/mcast.c:1857 add_grec+0x1053/0x14e0 net/ipv6/mcast.c:1995 mld_send_cr net/ipv6/mcast.c:2121 [inline] mld_ifc_work+0x452/0xdc0 net/ipv6/mcast.c:2659 process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298 worker_thread+0x658/0x11f0 kernel/workqueue.c:2445 kthread+0x405/0x4f0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 </TASK> Modules linked in: ---[ end trace f41c04f825c8504c ]--- RIP: 0010:__ipv6_get_lladdr+0xa8/0x230 net/ipv6/addrconf.c:1849 Code: 01 00 00 48 8b 83 60 01 00 00 48 8d 98 a8 fe ff ff 49 39 c6 0f 84 30 01 00 00 e8 53 d7 90 f9 48 8d 7b 72 48 89 f8 48 c1 e8 03 <42> 0f b6 14 28 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 RSP: 0018:ffffc900042bfa08 EFLAGS: 00010a03 RAX: 1bd5a00000000007 RBX: deacffffffffffca RCX: 0000000000000000 RDX: ffff88801933e280 RSI: ffffffff87e5fced RDI: dead00000000003c RBP: ffffc900042bfa38 R08: 0000000000000000 R09: 0000000000000020 R10: ffffffff87e5fd87 R11: 0000000000000020 R12: 0000000000000040 R13: dffffc0000000000 R14: ffff888046c1e008 R15: 0000000000000040 FS: 0000000000000000(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f51522ec018 CR3: 000000001c67b000 CR4: 0000000000150ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 00 00 add %al,(%rax) 2: 48 8b 83 60 01 00 00 mov 0x160(%rbx),%rax 9: 48 8d 98 a8 fe ff ff lea -0x158(%rax),%rbx 10: 49 39 c6 cmp %rax,%r14 13: 0f 84 30 01 00 00 je 0x149 19: e8 53 d7 90 f9 callq 0xf990d771 1e: 48 8d 7b 72 lea 0x72(%rbx),%rdi 22: 48 89 f8 mov %rdi,%rax 25: 48 c1 e8 03 shr $0x3,%rax * 29: 42 0f b6 14 28 movzbl (%rax,%r13,1),%edx <-- trapping instruction 2e: 48 89 f8 mov %rdi,%rax 31: 83 e0 07 and $0x7,%eax 34: 83 c0 01 add $0x1,%eax 37: 38 d0 cmp %dl,%al 39: 7c 08 jl 0x43 3b: 84 d2 test %dl,%dl 3d: 0f .byte 0xf 3e: 85 .byte 0x85
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2021/11/30 22:00 | upstream | d58071a8a76d | 80270552 | .config | console log | report | info | ci-qemu-upstream | general protection fault in __ipv6_get_lladdr | |||
2021/10/11 22:58 | upstream | 64570fbc14f8 | 838e7e2c | .config | console log | report | info | ci-upstream-kasan-gce-smack-root | general protection fault in __ipv6_get_lladdr | |||
2021/10/11 15:07 | upstream | 64570fbc14f8 | 838e7e2c | .config | console log | report | info | ci-upstream-kasan-gce | general protection fault in __ipv6_get_lladdr | |||
2021/11/26 14:50 | upstream | a4849f6000e2 | 63eeac02 | .config | console log | report | info | ci-upstream-kasan-gce-386 | general protection fault in __ipv6_get_lladdr | |||
2021/11/18 07:16 | upstream | 42eb8fdac2fc | cafff8b6 | .config | console log | report | info | ci-upstream-kasan-gce-386 | general protection fault in __ipv6_get_lladdr | |||
2021/10/07 16:36 | upstream | 5af4055fa813 | efe0f24d | .config | console log | report | info | ci-upstream-kasan-gce-386 | general protection fault in __ipv6_get_lladdr | |||
2022/02/17 03:57 | bpf | 45ce4b4f9009 | 2bea8a27 | .config | console log | report | info | ci-upstream-bpf-kasan-gce | general protection fault in __ipv6_get_lladdr | |||
2022/01/21 20:45 | net-old | 67ab55956e64 | 214351e1 | .config | console log | report | info | ci-upstream-net-this-kasan-gce | general protection fault in __ipv6_get_lladdr | |||
2021/10/05 23:09 | net-old | a56d447f196f | 0a63fd36 | .config | console log | report | info | ci-upstream-net-this-kasan-gce | general protection fault in __ipv6_get_lladdr | |||
2022/02/21 09:51 | bpf-next | e5313968c41b | 3cd800e4 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | general protection fault in __ipv6_get_lladdr | |||
2022/02/04 17:39 | bpf-next | 227a0713b319 | e13a05ed | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | general protection fault in __ipv6_get_lladdr | |||
2022/01/17 21:38 | bpf-next | e80f2a0d1946 | 731a2d23 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | general protection fault in __ipv6_get_lladdr | |||
2022/01/17 19:00 | bpf-next | e80f2a0d1946 | 731a2d23 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | general protection fault in __ipv6_get_lladdr | |||
2022/01/16 03:15 | bpf-next | e80f2a0d1946 | 723cfaf0 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | general protection fault in __ipv6_get_lladdr | |||
2022/01/15 14:06 | bpf-next | 000daa0e075e | 723cfaf0 | .config | console log | report | info | ci-upstream-bpf-next-kasan-gce | general protection fault in __ipv6_get_lladdr | |||
2021/12/14 09:58 | linux-next | ea922272cbe5 | 5d14b1ea | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | general protection fault in __ipv6_get_lladdr | |||
2021/11/22 05:07 | linux-next | 5191249f8803 | 4eb20a4e | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | general protection fault in __ipv6_get_lladdr | |||
2021/11/17 14:23 | upstream | 8ab774587903 | cafff8b6 | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | KASAN: use-after-free Read in __ipv6_get_lladdr |