general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] CPU: 1 PID: 19863 Comm: syz-executor.3 Not tainted 5.13.0-rc3-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:__seqprop_raw_spinlock_sequence include/linux/seqlock.h:276 [inline] RIP: 0010:hrtimer_active+0x6b/0x1f0 kernel/time/hrtimer.c:1463 Code: 01 f0 48 89 44 24 10 e8 43 51 10 00 48 8b 44 24 08 80 38 00 0f 85 71 01 00 00 49 8b 6d 30 48 8d 45 10 48 89 04 24 48 c1 e8 03 <42> 0f b6 04 30 84 c0 74 08 3c 03 0f 8e 42 01 00 00 8b 5d 10 31 ff RSP: 0018:ffffc90000e569e0 EFLAGS: 00010202 RAX: 0000000000000002 RBX: ffff888023fa2120 RCX: ffffc90023555000 RDX: 0000000000040000 RSI: ffffffff81648b3d RDI: ffff888023fa2120 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: ffffffff870af3ed R11: 0000000000000000 R12: 0000000000000000 R13: ffff888023fa2120 R14: dffffc0000000000 R15: ffff888015b42000 FS: 0000000000000000(0000) GS:ffff88802cb00000(0063) knlGS:00000000f55aab40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000000816c0d0 CR3: 000000004e38c000 CR4: 0000000000152ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hrtimer_try_to_cancel+0x21/0x1e0 kernel/time/hrtimer.c:1180 hrtimer_cancel+0x13/0x40 kernel/time/hrtimer.c:1295 napi_disable+0xc3/0x110 net/core/dev.c:6912 veth_napi_del+0xfe/0x660 drivers/net/veth.c:968 veth_set_features+0x10a/0x130 drivers/net/veth.c:1257 __netdev_update_features+0x718/0x17d0 net/core/dev.c:9935 netdev_update_features+0x63/0xd0 net/core/dev.c:10009 veth_xdp_set drivers/net/veth.c:1348 [inline] veth_xdp+0x448/0x780 drivers/net/veth.c:1361 dev_xdp_install+0xd5/0x270 net/core/dev.c:9356 dev_xdp_attach+0x607/0xd30 net/core/dev.c:9494 dev_change_xdp_fd+0x246/0x300 net/core/dev.c:9728 do_setlink+0x308e/0x3af0 net/core/rtnetlink.c:2934 rtnl_group_changelink net/core/rtnetlink.c:3236 [inline] __rtnl_newlink+0xbe9/0x1710 net/core/rtnetlink.c:3390 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3500 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5562 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2504 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1340 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1929 sock_sendmsg_nosec net/socket.c:654 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:674 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2350 ___sys_sendmsg+0xf3/0x170 net/socket.c:2404 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2433 do_syscall_32_irqs_on arch/x86/entry/common.c:78 [inline] __do_fast_syscall_32+0x67/0xe0 arch/x86/entry/common.c:143 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:168 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7fb0549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f55aa5fc EFLAGS: 00000296 ORIG_RAX: 0000000000000172 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000140 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace aa924df314a4c08d ]--- RIP: 0010:__seqprop_raw_spinlock_sequence include/linux/seqlock.h:276 [inline] RIP: 0010:hrtimer_active+0x6b/0x1f0 kernel/time/hrtimer.c:1463 Code: 01 f0 48 89 44 24 10 e8 43 51 10 00 48 8b 44 24 08 80 38 00 0f 85 71 01 00 00 49 8b 6d 30 48 8d 45 10 48 89 04 24 48 c1 e8 03 <42> 0f b6 04 30 84 c0 74 08 3c 03 0f 8e 42 01 00 00 8b 5d 10 31 ff RSP: 0018:ffffc90000e569e0 EFLAGS: 00010202 RAX: 0000000000000002 RBX: ffff888023fa2120 RCX: ffffc90023555000 RDX: 0000000000040000 RSI: ffffffff81648b3d RDI: ffff888023fa2120 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: ffffffff870af3ed R11: 0000000000000000 R12: 0000000000000000 R13: ffff888023fa2120 R14: dffffc0000000000 R15: ffff888015b42000 FS: 0000000000000000(0000) GS:ffff88802cb00000(0063) knlGS:00000000f55aab40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000085a0004 CR3: 000000004e38c000 CR4: 0000000000152ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400