general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] CPU: 0 PID: 22069 Comm: syz-executor.3 Not tainted 5.15.81-syzkaller-01226-gd753150bdc01 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:__seqprop_raw_spinlock_sequence include/linux/seqlock.h:276 [inline] RIP: 0010:hrtimer_active kernel/time/hrtimer.c:1611 [inline] RIP: 0010:hrtimer_try_to_cancel+0x8a/0xf60 kernel/time/hrtimer.c:1328 Code: e8 6b 0f 10 00 48 8b 5d b8 48 8b 45 a0 42 80 3c 28 00 74 08 48 89 df e8 94 e1 52 00 4c 8b 33 4d 8d 66 10 4d 89 e7 49 c1 ef 03 <43> 8a 04 2f 84 c0 0f 85 1e 01 00 00 41 8b 1c 24 89 de 83 e6 01 31 RSP: 0018:ffffc900020863c0 EFLAGS: 00010202 RAX: 1ffff11020335229 RBX: ffff8881019a9148 RCX: 1ffff1102033522a RDX: ffffc90004466000 RSI: 000000000000ffdb RDI: 000000000000ffdc RBP: ffffc90002086468 R08: ffffffff83ecd0ef R09: ffffed1020335203 R10: ffffed1020335203 R11: 1ffff11020335202 R12: 0000000000000010 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000002 FS: 00007fba5a8ac700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5966b3f000 CR3: 000000011ba06000 CR4: 00000000003526b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> hrtimer_cancel+0x17/0x60 kernel/time/hrtimer.c:1443 napi_disable+0xf7/0x140 net/core/dev.c:6936 veth_napi_del_range drivers/net/veth.c:982 [inline] veth_napi_del drivers/net/veth.c:997 [inline] veth_set_features+0x1a8/0x2e0 drivers/net/veth.c:1425 __netdev_update_features+0x870/0x1c20 net/core/dev.c:9986 netdev_update_features+0x6d/0x1c0 net/core/dev.c:10060 veth_xdp_set drivers/net/veth.c:1516 [inline] veth_xdp+0x43e/0x5d0 drivers/net/veth.c:1529 dev_xdp_install+0x14a/0x340 net/core/dev.c:9385 dev_xdp_attach+0xb51/0xdc0 net/core/dev.c:9533 dev_change_xdp_fd+0x1db/0x260 net/core/dev.c:9779 do_setlink+0x3641/0x3bb0 net/core/rtnetlink.c:2933 rtnl_group_changelink net/core/rtnetlink.c:3244 [inline] __rtnl_newlink net/core/rtnetlink.c:3400 [inline] rtnl_newlink+0x113f/0x2060 net/core/rtnetlink.c:3510 rtnetlink_rcv_msg+0x951/0xc50 net/core/rtnetlink.c:5587 netlink_rcv_skb+0x1f0/0x460 net/netlink/af_netlink.c:2523 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5605 netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline] netlink_unicast+0x91a/0xb10 net/netlink/af_netlink.c:1347 netlink_sendmsg+0x946/0xd00 net/netlink/af_netlink.c:1942 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg net/socket.c:724 [inline] ____sys_sendmsg+0x597/0x8e0 net/socket.c:2412 ___sys_sendmsg net/socket.c:2466 [inline] __sys_sendmsg+0x36f/0x450 net/socket.c:2495 __do_sys_sendmsg net/socket.c:2504 [inline] __se_sys_sendmsg net/socket.c:2502 [inline] __x64_sys_sendmsg+0x7f/0x90 net/socket.c:2502 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fba5bb5a0c9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fba5a8ac168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fba5bc7a050 RCX: 00007fba5bb5a0c9 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000007 RBP: 00007fba5bbb5ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd6bad985f R14: 00007fba5a8ac300 R15: 0000000000022000 </TASK> Modules linked in: ---[ end trace 489f27c0e27559fd ]--- RIP: 0010:__seqprop_raw_spinlock_sequence include/linux/seqlock.h:276 [inline] RIP: 0010:hrtimer_active kernel/time/hrtimer.c:1611 [inline] RIP: 0010:hrtimer_try_to_cancel+0x8a/0xf60 kernel/time/hrtimer.c:1328 Code: e8 6b 0f 10 00 48 8b 5d b8 48 8b 45 a0 42 80 3c 28 00 74 08 48 89 df e8 94 e1 52 00 4c 8b 33 4d 8d 66 10 4d 89 e7 49 c1 ef 03 <43> 8a 04 2f 84 c0 0f 85 1e 01 00 00 41 8b 1c 24 89 de 83 e6 01 31 RSP: 0018:ffffc900020863c0 EFLAGS: 00010202 RAX: 1ffff11020335229 RBX: ffff8881019a9148 RCX: 1ffff1102033522a RDX: ffffc90004466000 RSI: 000000000000ffdb RDI: 000000000000ffdc RBP: ffffc90002086468 R08: ffffffff83ecd0ef R09: ffffed1020335203 R10: ffffed1020335203 R11: 1ffff11020335202 R12: 0000000000000010 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000002 FS: 00007fba5a8ac700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5966b3f000 CR3: 000000011ba06000 CR4: 00000000003526b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: e8 6b 0f 10 00 callq 0x100f70 5: 48 8b 5d b8 mov -0x48(%rbp),%rbx 9: 48 8b 45 a0 mov -0x60(%rbp),%rax d: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) 12: 74 08 je 0x1c 14: 48 89 df mov %rbx,%rdi 17: e8 94 e1 52 00 callq 0x52e1b0 1c: 4c 8b 33 mov (%rbx),%r14 1f: 4d 8d 66 10 lea 0x10(%r14),%r12 23: 4d 89 e7 mov %r12,%r15 26: 49 c1 ef 03 shr $0x3,%r15 * 2a: 43 8a 04 2f mov (%r15,%r13,1),%al <-- trapping instruction 2e: 84 c0 test %al,%al 30: 0f 85 1e 01 00 00 jne 0x154 36: 41 8b 1c 24 mov (%r12),%ebx 3a: 89 de mov %ebx,%esi 3c: 83 e6 01 and $0x1,%esi 3f: 31 .byte 0x31