batman_adv: batadv0: The MTU of interface gretap1 is too small (1462) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
batman_adv: batadv0: Not using interface gretap1 (retrying later): interface not active
================================================================================
UBSAN: Undefined behaviour in net/sched/sch_api.c:569:10
shift exponent 92 is too large for 32-bit type 'int'
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.19.149-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x22c/0x33e lib/dump_stack.c:118
ubsan_epilogue+0xe/0x3a lib/ubsan.c:161
__ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422
__qdisc_calculate_pkt_len+0x370/0x570 net/sched/sch_api.c:569
qdisc_calculate_pkt_len include/net/sch_generic.h:697 [inline]
__dev_xmit_skb net/core/dev.c:3443 [inline]
__dev_queue_xmit+0x1372/0x2ec0 net/core/dev.c:3807
br_dev_queue_push_xmit+0x25a/0x6c0 net/bridge/br_forward.c:56
NF_HOOK include/linux/netfilter.h:289 [inline]
br_forward_finish+0xb5/0x430 net/bridge/br_forward.c:69
NF_HOOK include/linux/netfilter.h:289 [inline]
__br_forward+0x693/0xbb0 net/bridge/br_forward.c:113
deliver_clone net/bridge/br_forward.c:129 [inline]
maybe_deliver+0x2d2/0x3c0 net/bridge/br_forward.c:184
br_flood+0x180/0x4f0 net/bridge/br_forward.c:226
br_dev_xmit+0xdd0/0x1510 net/bridge/br_device.c:103
__netdev_start_xmit include/linux/netdevice.h:4333 [inline]
netdev_start_xmit include/linux/netdevice.h:4347 [inline]
xmit_one net/core/dev.c:3256 [inline]
dev_hard_start_xmit+0x1a8/0x960 net/core/dev.c:3272
__dev_queue_xmit+0x276a/0x2ec0 net/core/dev.c:3838
neigh_resolve_output+0x55a/0x950 net/core/neighbour.c:1374
neigh_output include/net/neighbour.h:501 [inline]
ip6_finish_output2+0x1184/0x2370 net/ipv6/ip6_output.c:120
ip6_finish_output+0x610/0xcc0 net/ipv6/ip6_output.c:154
NF_HOOK_COND include/linux/netfilter.h:278 [inline]
ip6_output+0x205/0x7c0 net/ipv6/ip6_output.c:171
dst_output include/net/dst.h:455 [inline]
NF_HOOK include/linux/netfilter.h:289 [inline]
ndisc_send_skb+0xa6b/0x1860 net/ipv6/ndisc.c:491
ndisc_send_rs+0x131/0x6a0 net/ipv6/ndisc.c:685
addrconf_rs_timer+0x2d9/0x640 net/ipv6/addrconf.c:3834
call_timer_fn+0x177/0x760 kernel/time/timer.c:1338
expire_timers+0x243/0x500 kernel/time/timer.c:1375
__run_timers kernel/time/timer.c:1703 [inline]
run_timer_softirq+0x259/0x730 kernel/time/timer.c:1716
__do_softirq+0x27d/0xad2 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x22d/0x270 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:544 [inline]
smp_apic_timer_interrupt+0x15f/0x5d0 arch/x86/kernel/apic/apic.c:1094
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61
Code: e9 73 fd ff ff 48 89 df e8 ff 25 fa f9 e9 59 ff ff ff 90 90 90 90 90 90 90 90 90 90 e9 07 00 00 00 0f 00 2d c4 5b 57 00 fb f4 90 e9 07 00 00 00 0f 00 2d b4 5b 57 00 f4 c3 90 90 41 56 41 55
RSP: 0018:ffff8880a9a6fd58 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff12c7140 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8880a9a60c44
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff896389f0
R13: 1ffff1101534dfb5 R14: 0000000000000000 R15: 0000000000000000
arch_safe_halt arch/x86/include/asm/paravirt.h:94 [inline]
default_idle+0x49/0x320 arch/x86/kernel/process.c:557
cpuidle_idle_call kernel/sched/idle.c:153 [inline]
do_idle+0x2f8/0x500 kernel/sched/idle.c:263
cpu_startup_entry+0xc5/0xd6 kernel/sched/idle.c:369
start_secondary+0x44d/0x610 arch/x86/kernel/smpboot.c:271
secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243
================================================================================
batman_adv: Cannot find parent device
batman_adv: batadv0: Adding interface: gretap2
batman_adv: batadv0: The MTU of interface gretap2 is too small (1462) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
batman_adv: batadv0: Not using interface gretap2 (retrying later): interface not active
batman_adv: Cannot find parent device
batman_adv: batadv0: Adding interface: gretap3
batman_adv: batadv0: The MTU of interface gretap3 is too small (1462) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
batman_adv: batadv0: Not using interface gretap3 (retrying later): interface not active
ax25_connect(): syz-executor.0 uses autobind, please contact jreuter@yaina.de
batman_adv: Cannot find parent device
batman_adv: batadv0: Adding interface: gretap4
batman_adv: batadv0: The MTU of interface gretap4 is too small (1462) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
batman_adv: batadv0: Not using interface gretap4 (retrying later): interface not active
ax25_connect(): syz-executor.0 uses autobind, please contact jreuter@yaina.de
ax25_connect(): syz-executor.0 uses autobind, please contact jreuter@yaina.de
FAT-fs (loop5): Directory bread(block 6) failed
FAT-fs (loop5): Directory bread(block 6) failed
ax25_connect(): syz-executor.0 uses autobind, please contact jreuter@yaina.de
sg_write: data in/out 262577/104 bytes for SCSI command 0x13-- guessing data in;
program syz-executor.3 not setting count and/or reply_len properly
sg_write: data in/out 262577/104 bytes for SCSI command 0x13-- guessing data in;
program syz-executor.3 not setting count and/or reply_len properly
sg_write: data in/out 262577/104 bytes for SCSI command 0x13-- guessing data in;
program syz-executor.3 not setting count and/or reply_len properly
EXT4-fs (loop4): Can't support bigalloc feature without extents feature
EXT4-fs (loop4): Can't support bigalloc feature without extents feature
sg_write: data in/out 262577/104 bytes for SCSI command 0x13-- guessing data in;
program syz-executor.3 not setting count and/or reply_len properly
EXT4-fs (loop4): Can't support bigalloc feature without extents feature
sg_write: data in/out 262577/104 bytes for SCSI command 0x13-- guessing data in;
program syz-executor.3 not setting count and/or reply_len properly
EXT4-fs (loop4): Can't support bigalloc feature without extents feature
EXT4-fs (loop4): Can't support bigalloc feature without extents feature
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'.