================================================================================ UBSAN: Undefined behaviour in ./include/net/red.h:272:18 shift exponent 149 is too large for 64-bit type 'long unsigned int' CPU: 1 PID: 6520 Comm: syz-executor.5 Not tainted 4.19.150-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_adaptative_algo include/net/red.h:404 [inline] red_adaptative_timer+0x7ed/0x870 net/sched/sch_red.c:266 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:rb_first+0x26/0x80 lib/rbtree.c:506 Code: 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 53 48 c1 ea 03 48 83 ec 08 80 3c 02 00 75 46 48 bb 00 00 00 00 00 fc ff df <48> 8b 07 48 85 c0 75 05 eb 1d 48 89 d0 48 8d 78 10 48 89 fa 48 c1 RSP: 0018:ffff88804ef87b50 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff819fe9c7 RDX: 1ffff11010fa9c41 RSI: ffffffff819fcf05 RDI: ffff888087d4e208 RBP: ffff888087d4e208 R08: ffffffff819b6e40 R09: 0000000000000000 R10: 0000000000000006 R11: 0000000000000003 R12: ffff88808c857a78 R13: ffff8880911c5e90 R14: ffff88808c857a70 R15: ffff888087d4e200 validate_mm_rb+0x1d/0xc0 mm/mmap.c:347 vma_rb_insert mm/mmap.c:421 [inline] __vma_link_rb+0x124/0x1e0 mm/mmap.c:577 dup_mmap kernel/fork.c:543 [inline] dup_mm kernel/fork.c:1288 [inline] copy_mm kernel/fork.c:1344 [inline] copy_process.part.0+0x31e3/0x7fb0 kernel/fork.c:1897 copy_process kernel/fork.c:1694 [inline] _do_fork+0x22f/0x1020 kernel/fork.c:2207 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45c42a Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00 RSP: 002b:00007ffe1cfbc860 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007ffe1cfbc860 RCX: 000000000045c42a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007ffe1cfbc8a0 R08: 0000000000000001 R09: 00000000021d2940 R10: 00000000021d2c10 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffe1cfbc8f0 ================================================================================ audit: type=1400 audit(1602899853.432:27): avc: denied { audit_read } for pid=15081 comm="syz-executor.2" capability=37 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 netlink: 44 bytes leftover after parsing attributes in process `syz-executor.3'. x_tables: duplicate underflow at hook 2 x_tables: duplicate underflow at hook 2 xt_SECMARK: only valid in 'mangle' or 'security' table, not 'raw' Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout