EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue ================================================================================ UBSAN: Undefined behaviour in ./include/net/red.h:272:18 shift exponent 83 is too large for 64-bit type 'long unsigned int' CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.152-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 red_calc_qavg_from_idle_time include/net/red.h:272 [inline] red_calc_qavg include/net/red.h:313 [inline] choke_enqueue+0x2a7e/0x2cc0 net/sched/sch_choke.c:231 __dev_xmit_skb net/core/dev.c:3494 [inline] __dev_queue_xmit+0x14df/0x2ec0 net/core/dev.c:3807 neigh_hh_output include/net/neighbour.h:491 [inline] neigh_output include/net/neighbour.h:499 [inline] ip_finish_output2+0xc04/0x16b0 net/ipv4/ip_output.c:230 ip_finish_output+0x88e/0xd80 net/ipv4/ip_output.c:318 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip_output+0x203/0x650 net/ipv4/ip_output.c:406 dst_output include/net/dst.h:455 [inline] ip_local_out+0xaf/0x170 net/ipv4/ip_output.c:125 __ip_queue_xmit+0x8a0/0x1bd0 net/ipv4/ip_output.c:506 sctp_packet_transmit+0x1e67/0x3600 net/sctp/output.c:641 sctp_outq_flush_transports+0x19d/0x340 net/sctp/outqueue.c:1166 sctp_outq_flush net/sctp/outqueue.c:1214 [inline] sctp_outq_uncork+0x185/0x200 net/sctp/outqueue.c:777 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1815 [inline] sctp_side_effects net/sctp/sm_sideeffect.c:1199 [inline] sctp_do_sm+0x76d/0x52b0 net/sctp/sm_sideeffect.c:1170 sctp_generate_heartbeat_event+0x2af/0x490 net/sctp/sm_sideeffect.c:406 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+0x257/0x730 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+0x15d/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: fd ff ff 48 89 df e8 f1 0e 39 f9 e9 59 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 e9 07 00 00 00 0f 00 2d b4 6b 5b 00 fb f4 90 e9 07 00 00 00 0f 00 2d a4 6b 5b 00 f4 c3 90 90 41 56 41 55 RSP: 0018:ffffffff8a607d40 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff1500214 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffffffff8a67f444 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8a801090 R13: 1ffffffff14c0fb2 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_kernel+0x93d/0x978 init/main.c:736 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 ================================================================================ EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue UDF-fs: error (device loop2): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 1312 UDF-fs: error (device loop2): udf_read_inode: (ino 1312) failed !bh UDF-fs: Scanning with blocksize 512 failed EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue UDF-fs: warning (device loop2): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 1024 failed UDF-fs: warning (device loop2): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: warning (device loop2): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 4096 failed EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue UDF-fs: error (device loop2): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 1312 UDF-fs: error (device loop2): udf_read_inode: (ino 1312) failed !bh UDF-fs: Scanning with blocksize 512 failed EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue UDF-fs: warning (device loop2): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 1024 failed UDF-fs: warning (device loop2): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: warning (device loop2): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 4096 failed EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue UDF-fs: error (device loop2): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 1312 UDF-fs: error (device loop2): udf_read_inode: (ino 1312) failed !bh UDF-fs: Scanning with blocksize 512 failed UDF-fs: warning (device loop2): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 1024 failed UDF-fs: warning (device loop2): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: warning (device loop2): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 4096 failed