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: 3865 Comm: syz-executor.4 Tainted: G W 5.15.119-syzkaller-android13-5.15.119_r00 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 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+0x7d/0x320 kernel/time/hrtimer.c:1328 Code: 00 48 8b 5d c8 48 8b 45 d0 42 80 3c 38 00 74 08 48 89 df e8 65 ee 50 00 48 8b 03 48 89 45 b0 4c 8d 60 10 4d 89 e5 49 c1 ed 03 <43> 0f b6 44 3d 00 84 c0 0f 85 00 01 00 00 41 8b 1c 24 89 de 83 e6 RSP: 0018:ffffc90002bef698 EFLAGS: 00010202 RAX: 0000000000000000 RBX: ffff888110fd7148 RCX: 1ffff110221fae2a RDX: ffffc90006225000 RSI: 000000000000006e RDI: 000000000000006f RBP: ffffc90002bef6f0 R08: ffffffff83e45e9a R09: ffffed10221fae03 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000010 R13: 0000000000000002 R14: ffff888110fd7118 R15: dffffc0000000000 FS: 00007f1dbc0af6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000040 CR3: 000000011a4fd000 CR4: 00000000003506b0 Call Trace: hrtimer_cancel+0x17/0x50 kernel/time/hrtimer.c:1443 napi_disable+0x143/0x190 net/core/dev.c:6942 veth_napi_del_range drivers/net/veth.c:983 [inline] veth_napi_del drivers/net/veth.c:998 [inline] veth_set_features+0x1c8/0x300 drivers/net/veth.c:1426 __netdev_update_features+0x83c/0x1c10 net/core/dev.c:9992 ethtool_set_one_feature+0x208/0x270 net/ethtool/ioctl.c:259 dev_ethtool+0xdfc/0x1540 net/ethtool/ioctl.c:2928 dev_ioctl+0x2a0/0xe70 net/core/dev_ioctl.c:522 sock_do_ioctl+0x34f/0x5a0 net/socket.c:1135 sock_ioctl+0x455/0x740 net/socket.c:1238 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl+0x114/0x190 fs/ioctl.c:860 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f1dbd32cb29 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1dbc0af0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f1dbd44bf80 RCX: 00007f1dbd32cb29 RDX: 0000000020000040 RSI: 0000000000008946 RDI: 0000000000000003 RBP: 00007f1dbd37847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000004d R14: 00007f1dbd44bf80 R15: 00007ffc057edea8 Modules linked in: ---[ end trace 97366f5bdf6370e5 ]--- 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+0x7d/0x320 kernel/time/hrtimer.c:1328 Code: 00 48 8b 5d c8 48 8b 45 d0 42 80 3c 38 00 74 08 48 89 df e8 65 ee 50 00 48 8b 03 48 89 45 b0 4c 8d 60 10 4d 89 e5 49 c1 ed 03 <43> 0f b6 44 3d 00 84 c0 0f 85 00 01 00 00 41 8b 1c 24 89 de 83 e6 RSP: 0018:ffffc90002bef698 EFLAGS: 00010202 RAX: 0000000000000000 RBX: ffff888110fd7148 RCX: 1ffff110221fae2a RDX: ffffc90006225000 RSI: 000000000000006e RDI: 000000000000006f RBP: ffffc90002bef6f0 R08: ffffffff83e45e9a R09: ffffed10221fae03 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000010 R13: 0000000000000002 R14: ffff888110fd7118 R15: dffffc0000000000 FS: 00007f1dbc0af6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200c1038 CR3: 000000011a4fd000 CR4: 00000000003506a0 ---------------- Code disassembly (best guess): 0: 00 48 8b add %cl,-0x75(%rax) 3: 5d pop %rbp 4: c8 48 8b 45 enter $0x8b48,$0x45 8: d0 42 80 rolb -0x80(%rdx) b: 3c 38 cmp $0x38,%al d: 00 74 08 48 add %dh,0x48(%rax,%rcx,1) 11: 89 df mov %ebx,%edi 13: e8 65 ee 50 00 call 0x50ee7d 18: 48 8b 03 mov (%rbx),%rax 1b: 48 89 45 b0 mov %rax,-0x50(%rbp) 1f: 4c 8d 60 10 lea 0x10(%rax),%r12 23: 4d 89 e5 mov %r12,%r13 26: 49 c1 ed 03 shr $0x3,%r13 * 2a: 43 0f b6 44 3d 00 movzbl 0x0(%r13,%r15,1),%eax <-- trapping instruction 30: 84 c0 test %al,%al 32: 0f 85 00 01 00 00 jne 0x138 38: 41 8b 1c 24 mov (%r12),%ebx 3c: 89 de mov %ebx,%esi 3e: 83 .byte 0x83 3f: e6 .byte 0xe6