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UBSAN: shift-out-of-bounds in net/core/gen_estimator.c:83:38
shift exponent -58 is negative
CPU: 0 PID: 24702 Comm: syz-executor.5 Not tainted 5.10.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x107/0x163 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
 est_timer.cold+0xbb/0x12d net/core/gen_estimator.c:83
 call_timer_fn+0x1a5/0x710 kernel/time/timer.c:1417
 expire_timers kernel/time/timer.c:1462 [inline]
 __run_timers+0x6f6/0xb10 kernel/time/timer.c:1731
 run_timer_softirq+0x7d/0x140 kernel/time/timer.c:1744
 __do_softirq+0x2cb/0xad5 kernel/softirq.c:298
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0xaa/0xd0 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:393 [inline]
 __irq_exit_rcu kernel/softirq.c:423 [inline]
 irq_exit_rcu+0x18a/0x1b0 kernel/softirq.c:435
 sysvec_apic_timer_interrupt+0x4d/0x100 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628
RIP: 0010:console_unlock+0x807/0xc00 kernel/printk/printk.c:2509
Code: 80 9b 94 8b e8 9a 83 fd ff e8 65 41 00 00 31 ff 4c 89 ee e8 4b 9d 18 00 4d 85 ed 0f 85 3c 02 00 00 e8 8d a1 18 00 ff 34 24 9d <8b> 5c 24 34 31 ff 89 de e8 0c 9d 18 00 85 db 0f 84 9a f9 ff ff e8
RSP: 0018:ffffc90018446dc8 EFLAGS: 00000212
RAX: 000000000000497f RBX: 0000000000000000 RCX: ffffc90013ab6000
RDX: 0000000000040000 RSI: ffffffff815d9903 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff8fe6f7a7
R10: fffffbfff1fcdef4 R11: 3a6b6e696c74656e R12: ffffffff84c52780
R13: 0000000000000200 R14: dffffc0000000000 R15: ffffc90018446e28
 vprintk_emit+0x1cb/0x430 kernel/printk/printk.c:2028
 vprintk_func+0x8d/0x240 kernel/printk/printk_safe.c:393
 printk+0xba/0xed kernel/printk/printk.c:2076
 __nla_validate_parse.cold+0x4c/0x51 lib/nlattr.c:600
 __nla_parse+0x3d/0x50 lib/nlattr.c:685
 nla_parse_nested_deprecated include/net/netlink.h:1231 [inline]
 __rtnl_newlink+0x386/0x1750 net/core/rtnetlink.c:3292
 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3502
 rtnetlink_rcv_msg+0x493/0xb40 net/core/rtnetlink.c:5564
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2494
 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330
 netlink_sendmsg+0x907/0xe10 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xd3/0x130 net/socket.c:672
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2336
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2390
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2423
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45e219
Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fdfb95a3c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e219
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000004
RBP: 000000000119c068 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119c034
R13: 00007ffd90cec94f R14: 00007fdfb95a49c0 R15: 000000000119c034
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