Unable to handle kernel NULL pointer dereference at virtual address 0000000000000010 Mem abort info: ESR = 0x0000000097810006 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x06: level 2 translation fault Data abort info: Access size = 4 byte(s) SSE = 0, SRT = 1 SF = 0, AR = 0 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 user pgtable: 4k pages, 48-bit VAs, pgdp=000000009f30a000 [0000000000000010] pgd=080000006c85b003, p4d=080000006c85b003, pud=080000009f30b003, pmd=0000000000000000 Internal error: Oops: 0000000097810006 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 27786 Comm: syz-executor.1 Not tainted 6.6.0-rc5-syzkaller-00072-g401644852d0b #0 Hardware name: linux,dummy-virt (DT) pstate: 61400009 (nZCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) pc : __seqprop_raw_spinlock_sequence include/linux/seqlock.h:274 [inline] pc : hrtimer_active+0x4/0x60 kernel/time/hrtimer.c:1614 lr : hrtimer_try_to_cancel+0x1c/0xf8 kernel/time/hrtimer.c:1331 sp : ffff800082c53280 x29: ffff800082c53280 x28: 0000000000000000 x27: 0000000000000000 x26: 0000000000000340 x25: ffff800082c53990 x24: f0ff00002d74ea00 x23: 0000000000000000 x22: 000061100fc019e9 x21: 0000000000000009 x20: 0000000000000000 x19: faff00002169d920 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000 x8 : ffff800082c53388 x7 : 0000000000000000 x6 : 0000000000008000 x5 : 0000000000000000 x4 : 000061100fc019e9 x3 : 0000000000000340 x2 : 0000000000000000 x1 : 000000000000000d x0 : faff00002169d920 Call trace: hrtimer_active+0x4/0x60 kernel/time/hrtimer.c:1613 hrtimer_cancel+0x1c/0x38 kernel/time/hrtimer.c:1446 napi_disable+0x5c/0x11c net/core/dev.c:6453 veth_napi_del_range+0x64/0x1d8 drivers/net/veth.c:1109 veth_napi_del drivers/net/veth.c:1129 [inline] veth_set_features+0x68/0x98 drivers/net/veth.c:1593 __netdev_update_features+0x200/0x6e8 net/core/dev.c:9799 netdev_update_features+0x28/0x6c net/core/dev.c:9873 veth_xdp_set drivers/net/veth.c:1694 [inline] veth_xdp+0x108/0x224 drivers/net/veth.c:1707 bond_xdp_set drivers/net/bonding/bond_main.c:5580 [inline] bond_xdp+0xc4/0x31c drivers/net/bonding/bond_main.c:5626 dev_xdp_install+0x64/0xf8 net/core/dev.c:9170 dev_xdp_attach+0x250/0x52c net/core/dev.c:9322 dev_change_xdp_fd+0x16c/0x218 net/core/dev.c:9570 do_setlink+0xda4/0xee8 net/core/rtnetlink.c:3102 rtnl_group_changelink net/core/rtnetlink.c:3422 [inline] __rtnl_newlink+0x458/0x890 net/core/rtnetlink.c:3681 rtnl_newlink+0x50/0x7c net/core/rtnetlink.c:3718 rtnetlink_rcv_msg+0x12c/0x380 net/core/rtnetlink.c:6444 netlink_rcv_skb+0x5c/0x128 net/netlink/af_netlink.c:2545 rtnetlink_rcv+0x18/0x24 net/core/rtnetlink.c:6462 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline] netlink_unicast+0x2f8/0x364 net/netlink/af_netlink.c:1368 netlink_sendmsg+0x1d0/0x44c net/netlink/af_netlink.c:1910 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x54/0x60 net/socket.c:745 ____sys_sendmsg+0x270/0x2a8 net/socket.c:2558 ___sys_sendmsg+0xac/0x100 net/socket.c:2612 __sys_sendmsg+0x84/0xe0 net/socket.c:2641 __do_sys_sendmsg net/socket.c:2650 [inline] __se_sys_sendmsg net/socket.c:2648 [inline] __arm64_sys_sendmsg+0x24/0x30 net/socket.c:2648 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x48/0x114 arch/arm64/kernel/syscall.c:51 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:136 do_el0_svc+0x1c/0x28 arch/arm64/kernel/syscall.c:155 el0_svc+0x40/0x114 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x100/0x12c arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:595 Code: 54fffe8b 91000400 17ffffe6 f9401802 (b9401041) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 54fffe8b b.lt 0xffffffffffffffd0 // b.tstop 4: 91000400 add x0, x0, #0x1 8: 17ffffe6 b 0xffffffffffffffa0 c: f9401802 ldr x2, [x0, #48] * 10: b9401041 ldr w1, [x2, #16] <-- trapping instruction