TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. ================================================================================ UBSAN: shift-out-of-bounds in ./include/net/red.h:312:18 shift exponent 112 is too large for 64-bit type 'long unsigned int' CPU: 0 PID: 21581 Comm: systemd-udevd Not tainted 5.11.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0xfa/0x151 lib/dump_stack.c:120 ubsan_epilogue+0xb/0x5a lib/ubsan.c:148 __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 lib/ubsan.c:395 red_calc_qavg_from_idle_time include/net/red.h:312 [inline] red_adaptative_algo include/net/red.h:444 [inline] red_adaptative_timer.cold+0x1bd/0x26c net/sched/sch_red.c:324 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1431 expire_timers kernel/time/timer.c:1476 [inline] __run_timers.part.0+0x67c/0xa50 kernel/time/timer.c:1745 __run_timers kernel/time/timer.c:1726 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1758 __do_softirq+0x29b/0x9f6 kernel/softirq.c:345 invoke_softirq kernel/softirq.c:221 [inline] __irq_exit_rcu kernel/softirq.c:422 [inline] irq_exit_rcu+0x134/0x200 kernel/softirq.c:434 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632 RIP: 0010:tomoyo_path_matches_pattern+0x1df/0x280 security/tomoyo/util.c:946 Code: c0 03 38 d0 7c 08 84 d2 0f 85 8f 00 00 00 48 8d 7b 08 8b 6d 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 6c 8b 5b 08 89 ef RSP: 0018:ffffc900093ff9b0 EFLAGS: 00000a06 RAX: dffffc0000000000 RBX: ffff88801248cc18 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff838c3225 RDI: ffff88801248cc20 RBP: 0000000073e90076 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff838c311c R11: 0000000000000000 R12: 0000000000000000 R13: ffff888012c06d80 R14: ffff88801248cc28 R15: ffff888012e9b820 tomoyo_compare_name_union security/tomoyo/file.c:87 [inline] tomoyo_compare_name_union security/tomoyo/file.c:82 [inline] tomoyo_check_path_acl security/tomoyo/file.c:260 [inline] tomoyo_check_path_acl+0x180/0x210 security/tomoyo/file.c:252 tomoyo_check_acl+0x13c/0x450 security/tomoyo/domain.c:175 tomoyo_path_permission security/tomoyo/file.c:586 [inline] tomoyo_path_permission+0x1ff/0x3a0 security/tomoyo/file.c:573 tomoyo_path_perm+0x2f0/0x400 security/tomoyo/file.c:838 security_inode_getattr+0xcf/0x140 security/security.c:1288 vfs_getattr fs/stat.c:131 [inline] vfs_statx+0x164/0x390 fs/stat.c:199 vfs_fstatat fs/stat.c:217 [inline] vfs_lstat include/linux/fs.h:3240 [inline] __do_sys_newlstat+0x91/0x110 fs/stat.c:372 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f6bce424335 Code: 69 db 2b 00 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 83 ff 01 48 89 f0 77 30 48 89 c7 48 89 d6 b8 06 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 03 f3 c3 90 48 8b 15 31 db 2b 00 f7 d8 64 89 RSP: 002b:00007ffcca7790e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000006 RAX: ffffffffffffffda RBX: 00007ffcca779b80 RCX: 00007f6bce424335 RDX: 00007ffcca779110 RSI: 00007ffcca779110 RDI: 00007ffcca779b80 RBP: 00000000ffffffea R08: 000055702df41670 R09: 000000000000000e R10: 0000000000000075 R11: 0000000000000246 R12: 00007ffcca7791a0 R13: 000055702f2d9e40 R14: 00007ffcca779108 R15: 00007ffcca779b8f ================================================================================